메뉴 건너뛰기




Volumn , Issue , 2015, Pages 881-908

Role of precision agriculture in phosphorus management practices

Author keywords

Agronomic phosphorus recommendations; Computer hardware; Environmental phosphorus management; Global positioning systems; Precision agriculture technologies; Product application controllers; Remote sensing; Spatial variability; Temporal variability

Indexed keywords


EID: 75949125801     PISSN: None     EISSN: None     Source Type: Book    
DOI: 10.2134/agronmonogr46.c27     Document Type: Chapter
Times cited : (13)

References (187)
  • 1
    • 0033169186 scopus 로고    scopus 로고
    • An automated sampling system for measuring soil pH
    • Adamchuk, V.I., M.T. Morgan, and D.R. Ess. 1999. An automated sampling system for measuring soil pH. Trans. ASAE 42: 885-891.
    • (1999) Trans. ASAE , vol.42 , pp. 885-891
    • Adamchuk, V.I.1    Morgan, M.T.2    Ess, D.R.3
  • 2
    • 0031812171 scopus 로고    scopus 로고
    • Variable rate fertilizer application for corn and soybean
    • Anderson, L.L., and D.G. Bullock. 1998. Variable rate fertilizer application for corn and soybean. J. Plant Nutr. 21: 1355-1361.
    • (1998) J. Plant Nutr , vol.21 , pp. 1355-1361
    • Anderson, L.L.1    Bullock, D.G.2
  • 3
    • 85104334289 scopus 로고    scopus 로고
    • Application equipment for site-specific management
    • F.J. Pierce and E.J. Sadler (ed.), ASA, CSSA, and SSSA, Madison, WI
    • Anderson, N.W., and D.S. Humburg. 1997. Application equipment for site-specific management. p. 245-281. In F.J. Pierce and E.J. Sadler (ed.) The state of site-specific management for agriculture. ASA, CSSA, and SSSA, Madison, WI.
    • (1997) The state of site-specific management for agriculture , pp. 245-281
    • Anderson, N.W.1    Humburg, D.S.2
  • 4
    • 0001975341 scopus 로고
    • Detection of soil phosphorus spatial variability through the use of semivariograms and strip sampling
    • Assmus, R.A., P.E. Fixen, and P.D. Everson. 1985. Detection of soil phosphorus spatial variability through the use of semivariograms and strip sampling. J. Fert. Issues 2: 136-143.
    • (1985) J. Fert. Issues , vol.2 , pp. 136-143
    • Assmus, R.A.1    Fixen, P.E.2    Everson, P.D.3
  • 5
    • 2942629446 scopus 로고    scopus 로고
    • Nozzle selection and replacement based on nozzle wear analysis
    • P.C. Robert et al. (ed.), Minneapolis, MN. 23-26 June 1996. ASA, CSSA, and SSSA, Madison, WI
    • Ballal, K., P. Krishnan, J. Kemble, and A. Issler. 1996. Nozzle selection and replacement based on nozzle wear analysis. p. 795-804. In P.C. Robert et al. (ed.) Proc. Third Int. Conf. on Precision Agriculture. Minneapolis, MN. 23-26 June 1996. ASA, CSSA, and SSSA, Madison, WI.
    • (1996) Proc. Third Int. Conf. on Precision Agriculture , pp. 795-804
    • Ballal, K.1    Krishnan, P.2    Kemble, J.3    Issler, A.4
  • 6
    • 0037823417 scopus 로고
    • The changing philosophy of soil test interpretations
    • L.M. Walsh and J.D. Beaton (ed.), SSSA, Madison, WI
    • Barber, 1973. The changing philosophy of soil test interpretations. p. 201-211. In L.M. Walsh and J.D. Beaton (ed.) Soil testing and plant analysis (Rev.). SSSA, Madison, WI.
    • (1973) Soil testing and plant analysis (Rev.) , pp. 201-211
    • Barber1
  • 7
    • 85103030912 scopus 로고    scopus 로고
    • Assessing soil phosphorus for crop production by soil testing
    • J.T. Sims and A.N. Sharpley (ed.), Agron. Monogr. 46. ASA, CSSA, and SSSA, Madison, WI
    • Beegle, D. 2005. Assessing soil phosphorus for crop production by soil testing. p. 123-143. In J.T. Sims and A.N. Sharpley (ed.) Phosphorus: Agriculture and the environment. Agron. Monogr. 46. ASA, CSSA, and SSSA, Madison, WI.
    • (2005) Phosphorus: Agriculture and the environment , pp. 123-143
    • Beegle, D.1
  • 8
    • 0026309988 scopus 로고
    • Estimation of soil properties and wheat yields on complex eroded hills using geostatistics and thematic mapper images
    • Bhatti, A.U., D.J. Mulla, and B.E. Frazier. 1991. Estimation of soil properties and wheat yields on complex eroded hills using geostatistics and thematic mapper images. Remote Sens. Environ. 37: 181-191.
    • (1991) Remote Sens. Environ , vol.37 , pp. 181-191
    • Bhatti, A.U.1    Mulla, D.J.2    Frazier, B.E.3
  • 9
    • 2242459882 scopus 로고    scopus 로고
    • Development and field testing of realtime soil nutrient sensors for precision fertilizer application
    • Peoria, IL. 25-27 January. Univ. of Illinois, Urbana
    • Birrell, S.J., J.W. Hummel, R.G. Hoeft, and T.R. Peck. 1999. Development and field testing of realtime soil nutrient sensors for precision fertilizer application. p. 65-70. In Proc. Illinois Fertilizer Conf., Peoria, IL. 25-27 January. Univ. of Illinois, Urbana.
    • (1999) Proc. Illinois Fertilizer Conf , pp. 65-70
    • Birrell, S.J.1    Hummel, J.W.2    Hoeft, R.G.3    Peck, T.R.4
  • 10
    • 0031149672 scopus 로고    scopus 로고
    • Field-scale variability of phosphorus and potassium uptake by corn and soybean
    • Borges, R., and A.P. Mallarino. 1997. Field-scale variability of phosphorus and potassium uptake by corn and soybean. Soil Sci. Soc. Am. J. 61: 846-853.
    • (1997) Soil Sci. Soc. Am. J , vol.61 , pp. 846-853
    • Borges, R.1    Mallarino, A.P.2
  • 11
    • 0031660758 scopus 로고    scopus 로고
    • Significance of spatially variable soil phosphorus and potassium for early growth and nutrient content of no-till corn and soybean
    • Borges, R., and A.P. Mallarino. 1998. Significance of spatially variable soil phosphorus and potassium for early growth and nutrient content of no-till corn and soybean. Commun. Soil Sci. Plant Anal. 29: 2589-2605.
    • (1998) Commun. Soil Sci. Plant Anal , vol.29 , pp. 2589-2605
    • Borges, R.1    Mallarino, A.P.2
  • 12
    • 0003049692 scopus 로고
    • Origin and nature of soil resource variability
    • P.C. Robert et al. (ed.), Minneapolis, MN. 14-16 Apr. 1992. ASA, CSSA, and SSSA. Madison, WI
    • Bouma, J., and P.A. Finke. 1993. Origin and nature of soil resource variability. p. 3-13. In P.C. Robert et al. (ed.) Proc. Soil specific crop management: A workshop on research and development issues. Minneapolis, MN. 14-16 Apr. 1992. ASA, CSSA, and SSSA. Madison, WI.
    • (1993) Proc. Soil specific crop management: A workshop on research and development issues , pp. 3-13
    • Bouma, J.1    Finke, P.A.2
  • 13
    • 0036159625 scopus 로고    scopus 로고
    • Identifying potential within-field management zones from cotton yield estimates
    • Boydell, B., and A.B. McBratney. 2002. Identifying potential within-field management zones from cotton yield estimates. Precision Agric. 3: 9-23.
    • (2002) Precision Agric , vol.3 , pp. 9-23
    • Boydell, B.1    McBratney, A.B.2
  • 14
    • 0005083456 scopus 로고
    • A nutrient mobility concept of soil-plant relationships
    • Bray, R.H. 1954. A nutrient mobility concept of soil-plant relationships. Soil Sci. 78: 9-22.
    • (1954) Soil Sci , vol.78 , pp. 9-22
    • Bray, R.H.1
  • 16
    • 85103012574 scopus 로고    scopus 로고
    • On-the-go sensors for variable rate nutrient management: Determining soil K status with a flat-surface, ion-selective electrode
    • St. Louis, MO. 15-16 November. Potash and Phosphate Inst., Norcross, GA
    • Brouder, S.M. 2000. On-the-go sensors for variable rate nutrient management: Determining soil K status with a flat-surface, ion-selective electrode. In Proc. 30th North Central Extension-Industry Soil Fertility Conf., St. Louis, MO. 15-16 November. Potash and Phosphate Inst., Norcross, GA.
    • (2000) Proc. 30th North Central Extension-Industry Soil Fertility Conf
    • Brouder, S.M.1
  • 18
    • 0345014447 scopus 로고
    • Nutrient management with intensive soil sampling and differential fertilizer spreading
    • Bullock, D.G., R.G. Hoeft, P. Dorman, T. Macy, and R. Olson. 1994. Nutrient management with intensive soil sampling and differential fertilizer spreading. Better Crops Plant Food 78: 10-12.
    • (1994) Better Crops Plant Food , vol.78 , pp. 10-12
    • Bullock, D.G.1    Hoeft, R.G.2    Dorman, P.3    Macy, T.4    Olson, R.5
  • 20
    • 0000792787 scopus 로고
    • Soil variability: A late 20th century view
    • Burrough, P.A. 1993. Soil variability: A late 20th century view. Soils Fert. 56: 531-562.
    • (1993) Soils Fert , vol.56 , pp. 531-562
    • Burrough, P.A.1
  • 21
    • 0028165567 scopus 로고
    • Spatial analysis of soil fertility for soil-specific crop management
    • Cahn, M.D., J.W. Hummel, and B.H. Brouer. 1994. Spatial analysis of soil fertility for soil-specific crop management. Soil Sci. Soc. Am. J. 58: 1240-1248.
    • (1994) Soil Sci. Soc. Am. J , vol.58 , pp. 1240-1248
    • Cahn, M.D.1    Hummel, J.W.2    Brouer, B.H.3
  • 22
    • 0344511710 scopus 로고    scopus 로고
    • Spatial analysis of soil fertility parameters
    • Cambardella, C.A., and D.L. Karlen. 1999. Spatial analysis of soil fertility parameters. Precision Agric. 1: 5-14.
    • (1999) Precision Agric , vol.1 , pp. 5-14
    • Cambardella, C.A.1    Karlen, D.L.2
  • 25
    • 0344704181 scopus 로고    scopus 로고
    • Different techniques to identify management zones impact nitrogen and phosphorus sampling variability
    • Chang, J., D.E. Clay, C.G. Carlson, S.A. Clay, D.D. Malo, R. Berg, J. Kleinjan, and W. Wiebold. 2003. Different techniques to identify management zones impact nitrogen and phosphorus sampling variability. Agron. J. 95: 1550-1559.
    • (2003) Agron. J , vol.95 , pp. 1550-1559
    • Chang, J.1    Clay, D.E.2    Carlson, C.G.3    Clay, S.A.4    Malo, D.D.5    Berg, R.6    Kleinjan, J.7    Wiebold, W.8
  • 26
    • 0007540924 scopus 로고    scopus 로고
    • Precision farming protocols. Part 1. Grid distance and soil nutrient impact on the reproducibility of spatial variability measurements
    • Chang, J., D.E. Clay, C.G. Carlson, D. Malo, S.A. Clay, J. Lee, and M. Ellsbury. 1999. Precision farming protocols. Part 1. Grid distance and soil nutrient impact on the reproducibility of spatial variability measurements. Precision Agric. 1: 277-289.
    • (1999) Precision Agric , vol.1 , pp. 277-289
    • Chang, J.1    Clay, D.E.2    Carlson, C.G.3    Malo, D.4    Clay, S.A.5    Lee, J.6    Ellsbury, M.7
  • 27
    • 85102989161 scopus 로고    scopus 로고
    • A method for testing the effectiveness of fertilizer spreaders for precision agriculture
    • P.C. Robert et al. (ed.), CD-ROM. ASA, CSSA, and SSSA, Madison, WI
    • Chaplin, J., J. Kaplan, T. Hustrulid, and B. Hetchler. 2000. A method for testing the effectiveness of fertilizer spreaders for precision agriculture. In P.C. Robert et al. (ed.) Proc. 5th Int. Conf. on Precision Agric. CD-ROM. ASA, CSSA, and SSSA, Madison, WI.
    • (2000) Proc. 5th Int. Conf. on Precision Agric
    • Chaplin, J.1    Kaplan, J.2    Hustrulid, T.3    Hetchler, B.4
  • 28
    • 85103053579 scopus 로고
    • Measuring the spatial performance of chemical applicators
    • P.C. Robert et al. (ed.), Bloomington/Minneapolis, MN. 27-30 Mar. 1994. ASA, CSSA, and SSSA, Madison, WI
    • Chaplin, J., E. Roytburg, and J. Kaplan. 1995. Measuring the spatial performance of chemical applicators. p. 651-669. In P.C. Robert et al. (ed.). Proc. 2nd Int. Conf. on Site-Specific Manage. for Agric. Systems, Bloomington/Minneapolis, MN. 27-30 Mar. 1994. ASA, CSSA, and SSSA, Madison, WI.
    • (1995) Proc. 2nd Int. Conf. on Site-Specific Manage. for Agric. Systems , pp. 651-669
    • Chaplin, J.1    Roytburg, E.2    Kaplan, J.3
  • 29
    • 0034164047 scopus 로고    scopus 로고
    • Field-scale mapping of surface soil organic carbon using remotely sensed imagery
    • Chen, F., D.E. Kissel, L.T. West, and W. Adkins. 2000. Field-scale mapping of surface soil organic carbon using remotely sensed imagery. Soil Sci. Soc. Am. J. 64: 746-753.
    • (2000) Soil Sci. Soc. Am. J , vol.64 , pp. 746-753
    • Chen, F.1    Kissel, D.E.2    West, L.T.3    Adkins, W.4
  • 30
    • 0033773895 scopus 로고    scopus 로고
    • Precision farming protocols. Part 2. Comparison of sampling approaches for precision phosphorus management
    • Clay, D.E., J. Chang, C.G. Carlson, D.D. Malo, S.A. Clay, and M. Ellsbury. 2000. Precision farming protocols. Part 2. Comparison of sampling approaches for precision phosphorus management. Commun. Soil Sci. Plant Anal. 31: 2969-2985.
    • (2000) Commun. Soil Sci. Plant Anal , vol.31 , pp. 2969-2985
    • Clay, D.E.1    Chang, J.2    Carlson, C.G.3    Malo, D.D.4    Clay, S.A.5    Ellsbury, M.6
  • 32
    • 0000751575 scopus 로고
    • Principles of soil sampling
    • Cline, M.G. 1944. Principles of soil sampling. Soil Sci. 58: 275-288.
    • (1944) Soil Sci , vol.58 , pp. 275-288
    • Cline, M.G.1
  • 34
    • 0000988774 scopus 로고
    • Current phosphorus availability indices: Characteristics and shortcomings
    • J.L. Havlin and J.S. Jacobsen (ed.), Spec. Publ. 40. SSSA, Madison, WI
    • Cox, F.R. 1994. Current phosphorus availability indices: Characteristics and shortcomings. p. 101-113. In J.L. Havlin and J.S. Jacobsen (ed.) Soil testing: Prospects for improving nutrient recommendations. Spec. Publ. 40. SSSA, Madison, WI.
    • (1994) Soil testing: Prospects for improving nutrient recommendations , pp. 101-113
    • Cox, F.R.1
  • 35
    • 85102913965 scopus 로고
    • Soil test correlation, calibration, and recommendation
    • R.L. Westerman (ed.), 3rd ed. SSSA, Madison, WI
    • Dahnke, W.C., and R.A. Olson. 1990. Soil test correlation, calibration, and recommendation. p. 45-71. In R.L. Westerman (ed.) Soil testing and plant analysis. 3rd ed. SSSA, Madison, WI.
    • (1990) Soil testing and plant analysis , pp. 45-71
    • Dahnke, W.C.1    Olson, R.A.2
  • 36
    • 0035214695 scopus 로고    scopus 로고
    • Soil phosphorus variability in pastures. Implications for sampling and environmental management strategies
    • Daniels, M.B., P. Delauneb, P.A. Moore, Jr., A. Mauromoustakosd, S.L. Chapmana, and J.M. Langston. 2001. Soil phosphorus variability in pastures. Implications for sampling and environmental management strategies. J. Environ. Qual. 30: 2157-2165.
    • (2001) J. Environ. Qual , vol.30 , pp. 2157-2165
    • Daniels, M.B.1    Delauneb, P.2    Moore, P.A.3    Mauromoustakosd, A.4    Chapmana, S.L.5    Langston, J.M.6
  • 37
    • 85102998426 scopus 로고    scopus 로고
    • Phosphorus fertilizer management strategies for variable rate fertilizer applications in center pivot irrigated potato rotations
    • P.C. Robert et al. (ed.), St. Paul, MN. 19-22 July 1998. ASA, Madison, WI
    • Davenport, J.R., M.J. Hattendorf, R.G. Evans, S.F. Han, and S.M. Schneider. 1999. Phosphorus fertilizer management strategies for variable rate fertilizer applications in center pivot irrigated potato rotations. p. 745-752. In P.C. Robert et al. (ed.) Proc. 4th Int. Conf. on Precision Agric., St. Paul, MN. 19-22 July 1998. ASA, Madison, WI.
    • (1999) Proc. 4th Int. Conf. on Precision Agric , pp. 745-752
    • Davenport, J.R.1    Hattendorf, M.J.2    Evans, R.G.3    Han, S.F.4    Schneider, S.M.5
  • 40
    • 0004231006 scopus 로고    scopus 로고
    • ESRI/Wiley, Redlands, CA
    • Environmental Systems Research Institute. 1997. Understanding GIS: The ARC/INFO method. ESRI/Wiley, Redlands, CA.
    • (1997) Understanding GIS: The ARC/INFO method
  • 41
    • 0342348945 scopus 로고    scopus 로고
    • Development of a precision application system for liquid animal manures
    • P.C. Robert et al. (ed.), Minneapolis, MN. 23-26 June 1996. ASA, CSSA, and SSSA, Madison, WI
    • Ess, D.R., B.C. Joern, and S.E. Hawkins. 1996. Development of a precision application system for liquid animal manures. p. 863-870. In P.C. Robert et al. (ed.) Proc. 3rd Int. Conf. on Precision Agric., Minneapolis, MN. 23-26 June 1996. ASA, CSSA, and SSSA, Madison, WI.
    • (1996) Proc. 3rd Int. Conf. on Precision Agric , pp. 863-870
    • Ess, D.R.1    Joern, B.C.2    Hawkins, S.E.3
  • 42
    • 0005455756 scopus 로고    scopus 로고
    • Soil map unit composition and scale of mapping related to interpretations for precision soil and crop management in Iowa
    • P.C. Robert et al. (ed.), St. Paul, MN. 19-22 July 1998. ASA, Madison, WI
    • Fenton, T.E., and M.A. Lauterbach. 1999. Soil map unit composition and scale of mapping related to interpretations for precision soil and crop management in Iowa. p. 239-251. In P.C. Robert et al. (ed.) Proc. 4th Int. Conf. on Precision Agric., St. Paul, MN. 19-22 July 1998. ASA, Madison, WI.
    • (1999) Proc. 4th Int. Conf. on Precision Agric , pp. 239-251
    • Fenton, T.E.1    Lauterbach, M.A.2
  • 43
    • 0010574768 scopus 로고
    • The effect of soil catena and phosphorus on the yield of wheat in western Manitoba
    • Ferguson, W.S., and B.J. Gorby. 1967. The effect of soil catena and phosphorus on the yield of wheat in western Manitoba. Can. J. Soil Sci. 47: 39-48.
    • (1967) Can. J. Soil Sci , vol.47 , pp. 39-48
    • Ferguson, W.S.1    Gorby, B.J.2
  • 44
    • 0031732054 scopus 로고    scopus 로고
    • The variability in total and extractable soil phosphorus under a grazed pasture
    • Fisher, E., B. Thornton, G. Hudson, and A.C. Edwards. 1998. The variability in total and extractable soil phosphorus under a grazed pasture. Plant Soil 203: 249-255.
    • (1998) Plant Soil , vol.203 , pp. 249-255
    • Fisher, E.1    Thornton, B.2    Hudson, G.3    Edwards, A.C.4
  • 45
    • 3342961483 scopus 로고
    • Site-specific management impacts on P and K use and productivity
    • Fixen, P.E. 1994. Site-specific management impacts on P and K use and productivity. Better Crops Plant Food 78: 3-5.
    • (1994) Better Crops Plant Food , vol.78 , pp. 3-5
    • Fixen, P.E.1
  • 46
    • 0034427073 scopus 로고    scopus 로고
    • Evaluating farmer defined management zone maps for variable rate fertilizer application
    • Fleming, K.L., D.G. Westfall, D.W. Wiens, and M.C. Brodahl. 2000. Evaluating farmer defined management zone maps for variable rate fertilizer application. Precision Agric. 2: 201-215.
    • (2000) Precision Agric , vol.2 , pp. 201-215
    • Fleming, K.L.1    Westfall, D.G.2    Wiens, D.W.3    Brodahl, M.C.4
  • 47
    • 0034813971 scopus 로고    scopus 로고
    • Delineation of site-specific management zones by unsupervised classification of topographic attributes and soil electrical conductivity
    • Fraisse, C.W., K.A. Sudduth, and N.R. Kitchen. 2001. Delineation of site-specific management zones by unsupervised classification of topographic attributes and soil electrical conductivity. Trans. ASAE. 44: 155-166.
    • (2001) Trans. ASAE , vol.44 , pp. 155-166
    • Fraisse, C.W.1    Sudduth, K.A.2    Kitchen, N.R.3
  • 48
    • 0005744152 scopus 로고    scopus 로고
    • Variability of soil nitrate and phosphate under different landscapes
    • Minneapolis, MN. 23-26 June 1996. ASA, CSSA, and SSSA, Madison, WI
    • Franzen, D.W., L.J. Cihacek, and V.L. Hofman. 1996. Variability of soil nitrate and phosphate under different landscapes. p. 521-530. In Proc. 3rd Int. Conf. on Precision Agric. Minneapolis, MN. 23-26 June 1996. ASA, CSSA, and SSSA, Madison, WI.
    • (1996) Proc. 3rd Int. Conf. on Precision Agric , pp. 521-530
    • Franzen, D.W.1    Cihacek, L.J.2    Hofman, V.L.3
  • 49
    • 0031682155 scopus 로고    scopus 로고
    • Topography-based sampling compared to grid sampling in the Northern Great Plains
    • Franzen, D.W., Cihacek, L.J., Hofman, V.L., and Swenson, L.J. 1998. Topography-based sampling compared to grid sampling in the Northern Great Plains. J. Prod. Agric. 11: 364-370.
    • (1998) J. Prod. Agric , vol.11 , pp. 364-370
    • Franzen, D.W.1    Cihacek, L.J.2    Hofman, V.L.3    Swenson, L.J.4
  • 50
    • 2242471544 scopus 로고    scopus 로고
    • Management zones for soil N and P levels in the Northern Great Plains
    • P.C. Robert et al. (ed.), CD-ROM. ASA, CSSA, and SSSA, Madison, WI
    • Franzen, D.W., A.D. Halvorson, and V.L. Hofman. 2000. Management zones for soil N and P levels in the Northern Great Plains. In P.C. Robert et al. (ed.) Proc. 5th Int. Conf. on Precision Agric. CD-ROM. ASA, CSSA, and SSSA, Madison, WI.
    • (2000) Proc. 5th Int. Conf. on Precision Agric
    • Franzen, D.W.1    Halvorson, A.D.2    Hofman, V.L.3
  • 51
    • 85103049994 scopus 로고    scopus 로고
    • Management zone delineation methods
    • P.C. Robert et al. (ed.), ASA, CSSA, and SSSA, Madison, WI
    • Franzen, D.W., and T.N. Nanna. 2002. Management zone delineation methods. In P.C. Robert et al. (ed.) Proc. 6th Int. Conf. on Precision Agric. CD-ROM. ASA, CSSA, and SSSA, Madison, WI.
    • (2002) Proc. 6th Int. Conf. on Precision Agric. CD-ROM
    • Franzen, D.W.1    Nanna, T.N.2
  • 52
    • 0000646824 scopus 로고
    • Field soil sampling density for variable rate fertilization
    • Franzen, W.D., and T.R. Peck. 1995a. Field soil sampling density for variable rate fertilization. J. Prod. Agric. 8: 568-574.
    • (1995) J. Prod. Agric , vol.8 , pp. 568-574
    • Franzen, W.D.1    Peck, T.R.2
  • 53
    • 0029198768 scopus 로고
    • Spatial variability of plant analysis phosphorus levels
    • Franzen, D.W., and T.R. Peck. 1995b. Spatial variability of plant analysis phosphorus levels. Commun. Soil Sci. Plant Anal. 26: 2929-2940.
    • (1995) Commun. Soil Sci. Plant Anal , vol.26 , pp. 2929-2940
    • Franzen, D.W.1    Peck, T.R.2
  • 54
    • 2042497258 scopus 로고    scopus 로고
    • Grid sampling or topography sampling for soil nutrients
    • Scharf (ed). .-Industry Soil Fertility Conf., St. Louis, MO. 20-21 Nov.1996. Potash & Phosphate Inst., Brookings, SD
    • Franzen, D.W., and T.R. Peck. 1996. Grid sampling or topography sampling for soil nutrients. p. 41-49. In P. Scharf (ed). Proc. 26th North Central Ext.-Industry Soil Fertility Conf., St. Louis, MO. 20-21 Nov.1996. Potash & Phosphate Inst., Brookings, SD.
    • (1996) Proc. 26th North Central Ext , pp. 41-49
    • Franzen, D.W.1    Peck, T.R.2
  • 55
    • 85104322894 scopus 로고    scopus 로고
    • Role of remote sensing in site-specific management
    • F.J. Pierce and E.J. Sadler (ed.), ASA, CSSA, and SSSA, Madison, WI
    • Frazier, B.E., C.S. Walters, and E.M. Perry. 1997. Role of remote sensing in site-specific management. p. 149-160. In F.J. Pierce and E.J. Sadler (ed.) The state of site-specific management for agriculture. ASA, CSSA, and SSSA, Madison, WI.
    • (1997) The state of site-specific management for agriculture , pp. 149-160
    • Frazier, B.E.1    Walters, C.S.2    Perry, E.M.3
  • 56
    • 0002173842 scopus 로고    scopus 로고
    • The use of grid soil sampling to measure soil nutrient variation within intensively managed grass fields in the UK
    • P.C. Robert et al. (ed.), Conf. on Precision Agric., Minneapolis, MN. 23-26 June 1996. ASA, CSSA, and SSSA. Madison, WI
    • Froment, M.A., A.G. Chalmers, S. Peel, and C.J. Dawson. 1996. The use of grid soil sampling to measure soil nutrient variation within intensively managed grass fields in the UK. p. 227-236. In P.C. Robert et al. (ed.) Proc., 3rd Int. Conf. on Precision Agric., Minneapolis, MN. 23-26 June 1996. ASA, CSSA, and SSSA. Madison, WI.
    • (1996) Proc., 3rd Int , pp. 227-236
    • Froment, M.A.1    Chalmers, A.G.2    Peel, S.3    Dawson, C.J.4
  • 57
    • 0035689955 scopus 로고    scopus 로고
    • Performance assessment and model development of a variable-rate, spinner-disc fertilizer applicator
    • Fulton, J.P., S.A. Shearer, G. Chabra, and S.F. Higgins. 2001. Performance assessment and model development of a variable-rate, spinner-disc fertilizer applicator. Trans. ASAE 44: 1071-1081.
    • (2001) Trans. ASAE , vol.44 , pp. 1071-1081
    • Fulton, J.P.1    Shearer, S.A.2    Chabra, G.3    Higgins, S.F.4
  • 58
    • 85103039171 scopus 로고    scopus 로고
    • Phosphorus mobility in the landscape
    • J.T. Sims and A.N. Sharpley (ed.), Agron. Monogr. 46. ASA, CSSA, and SSSA, Madison, WI
    • Gburek, W.J., E. Barberis, P.M. Haygarth, B. Kronvang, and C. Stamm. 2005. Phosphorus mobility in the landscape. p. 941-979. In J.T. Sims and A.N. Sharpley (ed.) Phosphorus: Agriculture and the environment. Agron. Monogr. 46. ASA, CSSA, and SSSA, Madison, WI.
    • (2005) Phosphorus: Agriculture and the environment , pp. 941-979
    • Gburek, W.J.1    Barberis, E.2    Haygarth, P.M.3    Kronvang, B.4    Stamm, C.5
  • 59
    • 0032032621 scopus 로고    scopus 로고
    • Hydrolic controls on phosphorus loss from upland agricultural watersheds
    • Gburek W.J., and A.N. Sharpley. 1998. Hydrolic controls on phosphorus loss from upland agricultural watersheds. J. Environ. Qual. 27: 267-277.
    • (1998) J. Environ. Qual , vol.27 , pp. 267-277
    • Gburek, W.J.1    Sharpley, A.N.2
  • 60
    • 0033966799 scopus 로고    scopus 로고
    • Phosphorus management at the watershed scale: A modification of the phosphorus index
    • Gburek, W.J., A.N. Sharpley, L. Heathwaite, and G.J. Folmar. 2000. Phosphorus management at the watershed scale: A modification of the phosphorus index. J. Environ. Qual. 29: 130-144.
    • (2000) J. Environ. Qual , vol.29 , pp. 130-144
    • Gburek, W.J.1    Sharpley, A.N.2    Heathwaite, L.3    Folmar, G.J.4
  • 62
    • 4243533035 scopus 로고    scopus 로고
    • Digital control of flow rates and spray droplet size from agricultural nozzles for precision chemical applications
    • P.C. Robert et al. (ed.), Minneapolis, MN. 23-26 June 1996 ASA, CSSA, and SSSA. Madison, WI
    • Giles, D.K., J.W. Henderson, and K. Funk. 1996. Digital control of flow rates and spray droplet size from agricultural nozzles for precision chemical applications. p. 729-738. In P.C. Robert et al. (ed.) Proc. 3rd Int. Conf. on Precision Agric., Minneapolis, MN. 23-26 June 1996 ASA, CSSA, and SSSA. Madison, WI.
    • (1996) Proc. 3rd Int. Conf. on Precision Agric , pp. 729-738
    • Giles, D.K.1    Henderson, J.W.2    Funk, K.3
  • 63
  • 64
    • 0031782665 scopus 로고    scopus 로고
    • Soil test phosphorus crop response projections to variable rate application in winter wheat
    • Goedeken, M.W., G.V. Johnson, W.R. Raun, and S.B. Phillips. 1998b. Soil test phosphorus crop response projections to variable rate application in winter wheat. Commun. Soil Sci. Plant Anal. 29: 1731-1738.
    • (1998) Commun. Soil Sci. Plant Anal , vol.29 , pp. 1731-1738
    • Goedeken, M.W.1    Johnson, G.V.2    Raun, W.R.3    Phillips, S.B.4
  • 66
    • 0001967324 scopus 로고    scopus 로고
    • The effects of mapping scale on variable rate fertilizer recommendations for corn
    • P.C. Robert et al. (ed.), Minneapolis, MN. 23-26 June 1996. ASA, CSSA, and SSSA, Madison, WI
    • Gotway, C.A., R.B. Ferguson, and G.W. Hergert. 1996. The effects of mapping scale on variable rate fertilizer recommendations for corn. p. 321-330. In P.C. Robert et al. (ed.). Proc. 3rd Int. Conf. on Precision Agric., Minneapolis, MN. 23-26 June 1996. ASA, CSSA, and SSSA, Madison, WI.
    • (1996) Proc. 3rd Int. Conf. on Precision Agric , pp. 321-330
    • Gotway, C.A.1    Ferguson, R.B.2    Hergert, G.W.3
  • 67
    • 0030617027 scopus 로고    scopus 로고
    • Spatial variability and sampling strategies for NO3-N, P, and K determinations for site-specific farming
    • Gupta, R.K., S. Mostaghimi, P.W. McClellan, M.M. Alley, and D.E. Brann 1997. Spatial variability and sampling strategies for NO3-N, P, and K determinations for site-specific farming. Trans. ASAE 40: 337-343.
    • (1997) Trans. ASAE , vol.40 , pp. 337-343
    • Gupta, R.K.1    Mostaghimi, S.2    McClellan, P.W.3    Alley, M.M.4    Brann, D.E.5
  • 68
    • 10444226014 scopus 로고
    • Soil sampling in relation to soil heterogeneity
    • Hammond, L.C., W.L. Prichett, and V. Chew. 1958. Soil sampling in relation to soil heterogeneity. Soil Sci. Soc. Am. J. 22: 548-552.
    • (1958) Soil Sci. Soc. Am. J , vol.22 , pp. 548-552
    • Hammond, L.C.1    Prichett, W.L.2    Chew, V.3
  • 69
    • 0343308472 scopus 로고
    • Cost analysis of variable fertility management of phosphorus and potassium for potato production in central Washington
    • P.C. Robert et al. (ed.), ASA, CSSA, and SSSA, Madison, WI
    • Hammond, M.W. 1993. Cost analysis of variable fertility management of phosphorus and potassium for potato production in central Washington. p. 213-228. In P.C. Robert et al. (ed.) Soil specific crop management. ASA, CSSA, and SSSA, Madison, WI.
    • (1993) Soil specific crop management , pp. 213-228
    • Hammond, M.W.1
  • 70
    • 3342954592 scopus 로고
    • Comparison of phosphorus and potassium utilization with conventional and variable fertility management (Washington)
    • Hammond, M.W. 1994. Comparison of phosphorus and potassium utilization with conventional and variable fertility management (Washington). Better Crops Plant Food 78: 22-23.
    • (1994) Better Crops Plant Food , vol.78 , pp. 22-23
    • Hammond, M.W.1
  • 71
    • 0012391256 scopus 로고    scopus 로고
    • Spatial variability of soil properties on two center pivot irrigated fields
    • P.C. Robert et al. (ed.), Minneapolis, MN. 23-26 June 1996. ASA, CSSA, and SSSA, Madison, WI
    • Han, S., S.M. Schneider, R.G. Evans, and S.L. Rawlins. 1996. Spatial variability of soil properties on two center pivot irrigated fields. p. 97-106. In P.C. Robert et al. (ed.) Proc. 3rd Int. Conf. on Precision Agric., Minneapolis, MN. 23-26 June 1996. ASA, CSSA, and SSSA, Madison, WI.
    • (1996) Proc. 3rd Int. Conf. on Precision Agric , pp. 97-106
    • Han, S.1    Schneider, S.M.2    Evans, R.G.3    Rawlins, S.L.4
  • 72
    • 85102987408 scopus 로고    scopus 로고
    • Assessing the risk and magnitude of agricultural nonpoint source phosphorus pollution
    • J.T. Sims and A.N. Sharpley (ed.), Agron. Monogr. 46. ASA, CSSA, and SSSA, Madison, WI
    • Heathwaite, A.L., A. Sharpley, M. Bechmann, and S. Rekolainen. 2005. Assessing the risk and magnitude of agricultural nonpoint source phosphorus pollution. p. 981-1020. In J.T. Sims and A.N. Sharpley (ed.) Phosphorus: Agriculture and the environment. Agron. Monogr. 46. ASA, CSSA, and SSSA, Madison, WI.
    • (2005) Phosphorus: Agriculture and the environment , pp. 981-1020
    • Heathwaite, A.L.1    Sharpley, A.2    Bechmann, M.3    Rekolainen, S.4
  • 73
    • 0031723571 scopus 로고    scopus 로고
    • A futuristic view of soil and plant analysis and nutrient recommendations
    • Hergert, G.W. 1998. A futuristic view of soil and plant analysis and nutrient recommendations. Commun. Soil Sci. Plant Anal. 29: 1441-1454.
    • (1998) Commun. Soil Sci. Plant Anal , vol.29 , pp. 1441-1454
    • Hergert, G.W.1
  • 74
    • 85104304128 scopus 로고    scopus 로고
    • Adequacy of current fertilizer recommendations for site-specific management
    • F.J. Pierce and E.J. Sadler (ed.), ASA, CSSA, and SSSA, Madison, WI
    • Hergert, G.W., W.L. Pan, D.R. Huggins, J.H. Gwve, and T.R. Peck. 1997. Adequacy of current fertilizer recommendations for site-specific management. p. 283-300. In F.J. Pierce and E.J. Sadler (ed.) The state of site-specific management for agriculture. ASA, CSSA, and SSSA, Madison, WI.
    • (1997) The state of site-specific management for agriculture , pp. 283-300
    • Hergert, G.W.1    Pan, W.L.2    Huggins, D.R.3    Gwve, J.H.4    Peck, T.R.5
  • 75
    • 0042807935 scopus 로고    scopus 로고
    • Soil testing and fertility
    • Circ. 1360. Coop. Ext. Serv., Univ. of Illinois. Urbana
    • Hoeft, R.G., and T.R. Peck. 2001. Soil testing and fertility. p. 78-116. In Illinois agronomy handbook 2001-2002. Circ. 1360. Coop. Ext. Serv., Univ. of Illinois. Urbana.
    • (2001) Illinois agronomy handbook 2001-2002 , pp. 78-116
    • Hoeft, R.G.1    Peck, T.R.2
  • 76
    • 0032802814 scopus 로고    scopus 로고
    • Vertical phosphorus and potassium stratification in no-till cotton soils
    • Howard, D.D., M.E. Essington, and D.D. Tyler. 1999. Vertical phosphorus and potassium stratification in no-till cotton soils. Agron. J. 91: 266-269.
    • (1999) Agron. J , vol.91 , pp. 266-269
    • Howard, D.D.1    Essington, M.E.2    Tyler, D.D.3
  • 77
    • 85103044275 scopus 로고
    • Yield variability within a long-term corn management study: Implications for precision farming
    • P.C. Robert et al. (ed.), Bloomington/Minneapolis, MN. 27-30 Mar. 1994. ASA, CSSA, and SSSA, Madison, WI
    • Huggins, D.R., and R.D. Alderfer. 1995. Yield variability within a long-term corn management study: Implications for precision farming. p. 417-426. In P.C. Robert et al. (ed.) Proc. 2nd Int. Conf. on Site-Specific Management for Agric. Systems. Bloomington/Minneapolis, MN. 27-30 Mar. 1994. ASA, CSSA, and SSSA, Madison, WI.
    • (1995) Proc. 2nd Int. Conf. on Site-Specific Management for Agric. Systems , pp. 417-426
    • Huggins, D.R.1    Alderfer, R.D.2
  • 78
    • 0000215952 scopus 로고
    • The scale of nutrient heterogeneity around individual plants and its quantification with geostatistics
    • Jackson, R.B., and M.M. Caldwell. 1993. The scale of nutrient heterogeneity around individual plants and its quantification with geostatistics. Ecology 74: 612-614.
    • (1993) Ecology , vol.74 , pp. 612-614
    • Jackson, R.B.1    Caldwell, M.M.2
  • 79
    • 77956981584 scopus 로고
    • Stomatal and mesophyll limitations of photosynthesis in phosphate deficient sunflower, maize, and wheat plants
    • Jacob, J., and D.W. Lawlor. 1991. Stomatal and mesophyll limitations of photosynthesis in phosphate deficient sunflower, maize, and wheat plants. J. Exp. Bot. 42: 1003-1011.
    • (1991) J. Exp. Bot , vol.42 , pp. 1003-1011
    • Jacob, J.1    Lawlor, D.W.2
  • 80
    • 0002482707 scopus 로고    scopus 로고
    • Improved soil mapping using electromagnetic induction surveys
    • P.C. Robert et al. (ed.), Minneapolis, MN. 23-26 June 1996. ASA, CSSA, and SSSA, Madison, WI
    • Jaynes, D.B. 1996. Improved soil mapping using electromagnetic induction surveys. p. 169-179. In P.C. Robert et al. (ed.). Proc. 3rd Int. Conf. on Precision Agric., Minneapolis, MN. 23-26 June 1996. ASA, CSSA, and SSSA, Madison, WI.
    • (1996) Proc. 3rd Int. Conf. on Precision Agric , pp. 169-179
    • Jaynes, D.B.1
  • 82
    • 0002610356 scopus 로고    scopus 로고
    • Realting corn/soybean yield to variability in soil and landscape charcateristics
    • P.C. Robert et al. (ed.), MN. 23-26 June 1996. ASA, CSSA, and SSSA, Madison, WI
    • Khakural, B.R., P.C. Robert, and D.J. Mulla. 1996. Realting corn/soybean yield to variability in soil and landscape charcateristics. p. 117-128. In P.C. Robert et al. (ed.). Proc. 3rd Int. Conf. on Precision Agric., Minneapolis, MN. 23-26 June 1996. ASA, CSSA, and SSSA, Madison, WI.
    • (1996) Proc. 3rd Int. Conf. on Precision Agric., Minneapolis , pp. 117-128
    • Khakural, B.R.1    Robert, P.C.2    Mulla, D.J.3
  • 85
    • 0033383622 scopus 로고    scopus 로고
    • Soil electrical conductivity as a crop productivity measure for claypan soils
    • Kitchen, N.R., K.A. Sudduth, and S.T. Drummond. 1999. Soil electrical conductivity as a crop productivity measure for claypan soils. J. Prod. Agric. 12: 607-617.
    • (1999) J. Prod. Agric , vol.12 , pp. 607-617
    • Kitchen, N.R.1    Sudduth, K.A.2    Drummond, S.T.3
  • 86
    • 85061555268 scopus 로고    scopus 로고
    • Precision GPS flow control for aerial spray applications
    • P.C. Robert et al. (ed.), MN. 23-26 June 1996. ASA, CSSA, and SSSA, Madison, WI
    • Kirk, I.W., and H.H. Tom. 1996. Precision GPS flow control for aerial spray applications. p. 815-818. In P.C. Robert et al. (ed.). Proc. 3rd Int. Conf. on Precision Agric., Minneapolis, MN. 23-26 June 1996. ASA, CSSA, and SSSA, Madison, WI.
    • (1996) Proc. 3rd Int. Conf. on Precision Agric., Minneapolis , pp. 815-818
    • Kirk, I.W.1    Tom, H.H.2
  • 87
    • 0242499139 scopus 로고    scopus 로고
    • Soil phosphorus, management practices, and their relationship to phosphorus delivery in the Iowa Clear Lake agricultural watershed
    • Klatt, J.G., A.P. Mallarino, J.A. Downing, J.A. Kopaska, and D.J. Wittry. 2003. Soil phosphorus, management practices, and their relationship to phosphorus delivery in the Iowa Clear Lake agricultural watershed. J. Environ. Qual. 32: 2140-2149.
    • (2003) J. Environ. Qual , vol.32 , pp. 2140-2149
    • Klatt, J.G.1    Mallarino, A.P.2    Downing, J.A.3    Kopaska, J.A.4    Wittry, D.J.5
  • 88
    • 0032799956 scopus 로고    scopus 로고
    • A comparative study of interpolation methods for mapping soil properties
    • Kravchenko, A.N., and D.G. Bullock. 1999. A comparative study of interpolation methods for mapping soil properties. Agron J. 91: 393-400.
    • (1999) Agron J , vol.91 , pp. 393-400
    • Kravchenko, A.N.1    Bullock, D.G.2
  • 89
    • 0034062402 scopus 로고    scopus 로고
    • Correlation of corn and soybean grain yield with topography and soil properties
    • Kravchenko, A.N., and D.G. Bullock. 2000. Correlation of corn and soybean grain yield with topography and soil properties. Agron. J. 92: 75-83.
    • (2000) Agron. J , vol.92 , pp. 75-83
    • Kravchenko, A.N.1    Bullock, D.G.2
  • 90
    • 0001008647 scopus 로고    scopus 로고
    • Phosphorus
    • J.M. Bartels (ed.), Part 3. Chemical methods. ASA, CSSA, and SSSA, Madison, WI
    • Kuo, S. 1996. Phosphorus. p. 869-919. In J.M. Bartels (ed.) Methods of soil analysis. Part 3. Chemical methods. ASA, CSSA, and SSSA, Madison, WI.
    • (1996) Methods of soil analysis , pp. 869-919
    • Kuo, S.1
  • 91
    • 0003039819 scopus 로고    scopus 로고
    • Grain yield stability in continuous corn and corn-soybean cropping systems on a sandy landscape
    • P.C. Robert et al. (ed.), MN. 23-26 June 1996. ASA, CSSA, and SSSA, Madison, WI
    • Lamb, J.A., J.L. Anderson, G.W. Rehm, and R.D. Dowdy. 1996. Grain yield stability in continuous corn and corn-soybean cropping systems on a sandy landscape. p. 417-424. In P.C. Robert et al. (ed.). Proc. 3rd Int. Conf. on Precision Agric., Minneapolis, MN. 23-26 June 1996. ASA, CSSA, and SSSA, Madison, WI.
    • (1996) Proc. 3rd Int. Conf. on Precision Agric., Minneapolis , pp. 417-424
    • Lamb, J.A.1    Anderson, J.L.2    Rehm, G.W.3    Dowdy, R.D.4
  • 92
    • 0036288878 scopus 로고    scopus 로고
    • Short-term stability of soil test phosphorus in agricultural fields
    • Lamb, J.A., and G.W. Rehm. 2002. Short-term stability of soil test phosphorus in agricultural fields. Can. J. Soil Sci. 82: 239-247.
    • (2002) Can. J. Soil Sci , vol.82 , pp. 239-247
    • Lamb, J.A.1    Rehm, G.W.2
  • 93
    • 0009880720 scopus 로고    scopus 로고
    • Centimeter accuracy differential GPS for precision agriculture applications
    • P.C. Robert et al. (ed.), MN. 23-26 June1996. ASA, CSSA, and SSSA. Madison, WI
    • Lange, A.F. 1996. Centimeter accuracy differential GPS for precision agriculture applications. p. 675-680. In P.C. Robert et al. (ed.). Proc. 3rd Int. Conf. on Precision Agric., Minneapolis, MN. 23-26 June1996. ASA, CSSA, and SSSA. Madison, WI.
    • (1996) Proc. 3rd Int. Conf. on Precision Agric., Minneapolis , pp. 675-680
    • Lange, A.F.1
  • 94
    • 0038773861 scopus 로고    scopus 로고
    • Consistency and change in spatial variability of crop yield over successive seasons: Methods of data analysis
    • P.C. Robert et al. (ed.), Minneapolis, MN. 23-26 June 1996. ASA, CSSA, and SSSA, Madison, WI
    • Lark, R.M., and J.V. Stafford. 1996. Consistency and change in spatial variability of crop yield over successive seasons: Methods of data analysis. p. 141-149. In P.C. Robert et al. (ed.) Proc. 3rd Int. Conf. on Precision Agric., Minneapolis, MN. 23-26 June 1996. ASA, CSSA, and SSSA, Madison, WI.
    • (1996) Proc. 3rd Int. Conf. on Precision Agric , pp. 141-149
    • Lark, R.M.1    Stafford, J.V.2
  • 96
    • 0346051405 scopus 로고    scopus 로고
    • Cost analysis of variable rate application of nitrogen and phosphorus for wheat production in northern Montana
    • P.C. Robert et al. (ed.), Minneapolis, MN. 23-26 June. ASA, CSSA, and SSSA. Madison, WI
    • Long, D.S., G.R. Carlson, and G.A. Nielsen. 1996. Cost analysis of variable rate application of nitrogen and phosphorus for wheat production in northern Montana. p. 1019-1031. In P.C. Robert et al. (ed.). Proc. 3rd Int. Conf. on Precision Agric., Minneapolis, MN. 23-26 June. ASA, CSSA, and SSSA. Madison, WI.
    • (1996) Proc. 3rd Int. Conf. on Precision Agric , pp. 1019-1031
    • Long, D.S.1    Carlson, G.R.2    Nielsen, G.A.3
  • 97
    • 0024476636 scopus 로고
    • Delivery of nonpoint-source phosphorus from cultivated mucklands to Lake Ontario
    • Longabucco, P., and M.R. Rafferty. 1989. Delivery of nonpoint-source phosphorus from cultivated mucklands to Lake Ontario. J. Environ. Qual. 18: 157-163.
    • (1989) J. Environ. Qual , vol.18 , pp. 157-163
    • Longabucco, P.1    Rafferty, M.R.2
  • 98
    • 0032773805 scopus 로고    scopus 로고
    • Average returns and risk characteristics of site-specific P and K management: Eastern Corn Belt on-farm trial results
    • Lowenberg-DeBoer, J., and A. Aghib. 1999. Average returns and risk characteristics of site-specific P and K management: Eastern Corn Belt on-farm trial results. J. Prod. Agric. 12: 276-282.
    • (1999) J. Prod. Agric , vol.12 , pp. 276-282
    • Lowenberg-DeBoer, J.1    Aghib, A.2
  • 100
    • 0001583830 scopus 로고    scopus 로고
    • Practical applications of soil electrical conductivity mapping
    • J.V. Stafford (ed.), Proc. 2nd European Conf. on Precision Agric., Odense, Denmark. 11-15 July 1999. Sheffield Academic Press, Sheffield, UK
    • Lund, E.D. C.D. Christy, and P.E. Drummond. 1999. Practical applications of soil electrical conductivity mapping. p. 771-779. In J.V. Stafford (ed.) Precision Agriculture '99. Proc. 2nd European Conf. on Precision Agric., Odense, Denmark. 11-15 July 1999. Sheffield Academic Press, Sheffield, UK.
    • (1999) Precision Agriculture '99 , pp. 771-779
    • Lund, E.D.1    Christy, C.D.2    Drummond, P.E.3
  • 101
    • 84868681829 scopus 로고    scopus 로고
    • Using the Iowa phosphorus index and variable-rate technology for effective agronomic and environmental phosphorus management
    • Conf. 5-6 Dec. 2001. Iowa State Univ., Ames
    • Mallarino, A., D. Wittry, and J. Klatt. 2001. Using the Iowa phosphorus index and variable-rate technology for effective agronomic and environmental phosphorus management. p. 151-157. In 13th Integrated Crop Manage. Conf. 5-6 Dec. 2001. Iowa State Univ., Ames.
    • (2001) 13th Integrated Crop Manage , pp. 151-157
    • Mallarino, A.1    Wittry, D.2    Klatt, J.3
  • 102
    • 0030301724 scopus 로고    scopus 로고
    • Spatial variability patterns of phosphorus and potassium in no-tilled soils for two sampling scales
    • Mallarino, A.P. 1996. Spatial variability patterns of phosphorus and potassium in no-tilled soils for two sampling scales. Soil Sc. Soc. Am. J. 60: 1473-1481.
    • (1996) Soil Sc. Soc. Am. J , vol.60 , pp. 1473-1481
    • Mallarino, A.P.1
  • 103
    • 0000196988 scopus 로고
    • Comparison of methods for determining critical concentrations of soil test phosphorus for corn
    • Mallarino, A.P., and A.M. Blackmer. 1992. Comparison of methods for determining critical concentrations of soil test phosphorus for corn. Agron. J. 84: 850-856.
    • (1992) Agron. J , vol.84 , pp. 850-856
    • Mallarino, A.P.1    Blackmer, A.M.2
  • 104
    • 2342635297 scopus 로고    scopus 로고
    • Interpreting within-field relationships between crop yields and soil and plant variables using factor analysis
    • Mallarino, A.P., E.S. Oyarzabal, and P.N. Hinz. 1999. Interpreting within-field relationships between crop yields and soil and plant variables using factor analysis. Prec. Agric. 1: 15-25.
    • (1999) Prec. Agric , vol.1 , pp. 15-25
    • Mallarino, A.P.1    Oyarzabal, E.S.2    Hinz, P.N.3
  • 105
    • 0036871867 scopus 로고    scopus 로고
    • Phosphorus indexing for cropland: Overview and basic concepts of the Iowa phosphorus index
    • Mallarino, A.P., B.M. Stewart, J.L. Baker, J.A. Downing, and J.E. Sawyer. 2002. Phosphorus indexing for cropland: Overview and basic concepts of the Iowa phosphorus index. J. Soil Water Conserv. 57: 440-447.
    • (2002) J. Soil Water Conserv , vol.57 , pp. 440-447
    • Mallarino, A.P.1    Stewart, B.M.2    Baker, J.L.3    Downing, J.A.4    Sawyer, J.E.5
  • 106
    • 85103070327 scopus 로고    scopus 로고
    • Identifying cost-effective soil sampling schemes for variablerate fertilization and liming
    • P.C. Robert et al. (ed.), Bloomington, MN. CD-ROM. 16-19 July. ASA, CSSA, and SSSA, Madison, WI
    • Mallarino, A.P., and D.J. Wittry. 2000. Identifying cost-effective soil sampling schemes for variablerate fertilization and liming. In P.C. Robert et al. (ed.) Fifth Int. Conf. on Site-Specific Manage. for Agric. Systems. Proc., Bloomington, MN. CD-ROM. 16-19 July. ASA, CSSA, and SSSA, Madison, WI.
    • (2000) Fifth Int. Conf. on Site-Specific Manage. for Agric. Systems. Proc
    • Mallarino, A.P.1    Wittry, D.J.2
  • 107
    • 3543046230 scopus 로고    scopus 로고
    • Efficacy of grid and zone soil sampling approaches for site-specific assessment of phosphorus, potassium, pH, and organic matter
    • Mallarino, A.P., and D.J. Wittry. 2004. Efficacy of grid and zone soil sampling approaches for site-specific assessment of phosphorus, potassium, pH, and organic matter. Precision Agric. 5: 131-144.
    • (2004) Precision Agric , vol.5 , pp. 131-144
    • Mallarino, A.P.1    Wittry, D.J.2
  • 108
    • 0001602433 scopus 로고
    • Soil fertility and crop responses at selected landscape positions
    • Malo, D.D., and B.K. Worcester. 1975. Soil fertility and crop responses at selected landscape positions. Agron. J. 67: 397-401.
    • (1975) Agron. J , vol.67 , pp. 397-401
    • Malo, D.D.1    Worcester, B.K.2
  • 110
    • 0002008169 scopus 로고
    • Application of soil survey information to soil specific farming
    • P.C. Robert et al. (ed.), ASA, CSSA, and SSSA, Madison, WI
    • Mausbach, M.J., D.J. Lytle, and L.D. Spevey. 1993. Application of soil survey information to soil specific farming. p. 57-68. In P.C. Robert et al. (ed.) Proc. 3rd Int. Conf. on Precision Agric. ASA, CSSA, and SSSA, Madison, WI.
    • (1993) Proc. 3rd Int. Conf. on Precision Agric , pp. 57-68
    • Mausbach, M.J.1    Lytle, D.J.2    Spevey, L.D.3
  • 111
    • 0002357030 scopus 로고    scopus 로고
    • Spatial variability in soil-Implications for precision agriculture
    • J.V. Stafford (ed.), First European Conf. on Precision Agric., Oxford, UK. 7-10 Sept. 1997. BIOS Sci. Publ., Herndon, VA
    • McBratney, A.B., and M. J. Pringle. 1997. Spatial variability in soil-Implications for precision agriculture. p. 3-31. In J.V. Stafford (ed.) Precision agriculture '97. First European Conf. on Precision Agric., Oxford, UK. 7-10 Sept. 1997. BIOS Sci. Publ., Herndon, VA.
    • (1997) Precision agriculture '97 , pp. 3-31
    • McBratney, A.B.1    Pringle, M.J.2
  • 112
    • 0001496319 scopus 로고    scopus 로고
    • Estimating average and proportional variograms of soil properties and their potential use in precision agriculture
    • McBratney, A.B., and M. J. Pringle. 1999. Estimating average and proportional variograms of soil properties and their potential use in precision agriculture. Precision Agric. 1: 219-236.
    • (1999) Precision Agric , vol.1 , pp. 219-236
    • McBratney, A.B.1    Pringle, M.J.2
  • 113
    • 0002407464 scopus 로고    scopus 로고
    • The development of management units for site-specific farming
    • P.C. Robert et al. (ed.), Minneapolis, MN. 23-26 June 1996. ASA, CSSA, and SSSA, Madison, WI
    • McCann, B.L., D.J. Pennick, C. van Kessel, and F.L. Walley. 1996. The development of management units for site-specific farming. p. 295-302. In P.C. Robert et al. (ed.). Proc. 3rd Int. Conf. on Precision Agric., Minneapolis, MN. 23-26 June 1996. ASA, CSSA, and SSSA, Madison, WI.
    • (1996) Proc. 3rd Int. Conf. on Precision Agric , pp. 295-302
    • McCann, B.L.1    Pennick, D.J.2    van Kessel, C.3    Walley, F.L.4
  • 114
    • 0030450691 scopus 로고    scopus 로고
    • Possibility of different soil sampling techniques with automated soil sampler
    • McGrath, D., and A. Skotnikov. 1996. Possibility of different soil sampling techniques with automated soil sampler. Commun. Soil Sci. Plant Anal. 27: 1779-1794.
    • (1996) Commun. Soil Sci. Plant Anal , vol.27 , pp. 1779-1794
    • McGrath, D.1    Skotnikov, A.2
  • 115
    • 0012988820 scopus 로고
    • Contrasting concepts in soil test interpretation: Sufficiency levels of available nutrients versus basic cation saturation ratios
    • M. Shelly (ed.), ASA Spec. Publ. 29. ASA, CSSA, and SSSA, Madison, WI
    • McLean, E.O. 1977. Contrasting concepts in soil test interpretation: Sufficiency levels of available nutrients versus basic cation saturation ratios. p. 55-74. In M. Shelly (ed.) Soil testing: Correlating and interpreting the analytical results. ASA Spec. Publ. 29. ASA, CSSA, and SSSA, Madison, WI.
    • (1977) Soil testing: Correlating and interpreting the analytical results , pp. 55-74
    • McLean, E.O.1
  • 116
    • 0000023348 scopus 로고    scopus 로고
    • Mapping techniques and intensity of soil sampling for precision farming
    • P.C. Robert et al. (ed.), Minneapolis, MN. 23-26 June 1996. ASA, CSSA, and SSSA. Madison, WI
    • Mohamed, S.B., E.J. Evans, and R.S. Shiel. 1996. Mapping techniques and intensity of soil sampling for precision farming. p. 217-226. In P.C. Robert et al. (ed.). Proc. 3rd Int. Conf. on Precision Agric., Minneapolis, MN. 23-26 June 1996. ASA, CSSA, and SSSA. Madison, WI.
    • (1996) Proc. 3rd Int. Conf. on Precision Agric , pp. 217-226
    • Mohamed, S.B.1    Evans, E.J.2    Shiel, R.S.3
  • 118
    • 0002383805 scopus 로고
    • Mapping and managing spatial patterns in soil fertility and crop yield
    • P.C. Robert et al. (ed.), Minneapolis, MN. ASA, CSSA, and SSSA, Madison, WI
    • Mulla, D.J. 1993. Mapping and managing spatial patterns in soil fertility and crop yield. p. 15-26. In P.C. Robert et al. (ed.) Proc. Int. Conf. on Soil-Specific Crop Manage., Minneapolis, MN. ASA, CSSA, and SSSA, Madison, WI.
    • (1993) Proc. Int. Conf. on Soil-Specific Crop Manage , pp. 15-26
    • Mulla, D.J.1
  • 119
    • 0026497896 scopus 로고
    • A comparison of winter wheat yield and quality under uniform versus spatially variable fertilizer management
    • Mulla, D.J., A.U. Bhatti, M.W. Hammond, and J.A. Benson. 1992. A comparison of winter wheat yield and quality under uniform versus spatially variable fertilizer management. Agric. Ecosyst. Environ. 38: 301-311.
    • (1992) Agric. Ecosyst. Environ , vol.38 , pp. 301-311
    • Mulla, D.J.1    Bhatti, A.U.2    Hammond, M.W.3    Benson, J.A.4
  • 120
    • 85104360580 scopus 로고    scopus 로고
    • Key processes and properties for site-specific soil and crop management
    • F.J. Pierce, and E.J. Sadler (ed.), ASA, CSSA, and SSSA, Madison, WI
    • Mulla, D.J., and J.S. Schepers. 1997. Key processes and properties for site-specific soil and crop management. p. 1-18. In F.J. Pierce, and E.J. Sadler (ed.) The state of site-specific management for agriculture. ASA, CSSA, and SSSA, Madison, WI.
    • (1997) The state of site-specific management for agriculture , pp. 1-18
    • Mulla, D.J.1    Schepers, J.S.2
  • 122
    • 0003442143 scopus 로고    scopus 로고
    • Geospatial and information technologies in crop management. Natl. Academy Press, Washington, DC
    • National Research Council. 1997. Precision agriculture in the 21st century. Geospatial and information technologies in crop management. Natl. Academy Press, Washington, DC.
    • (1997) Precision agriculture in the 21st century
  • 123
    • 0031753436 scopus 로고    scopus 로고
    • Agriculture and change: The promises and pitfalls of precision
    • Nowak, P. 1998. Agriculture and change: the promises and pitfalls of precision. Commun. Soil Sci. Plant Anal. 29: 1537-1541.
    • (1998) Commun. Soil Sci. Plant Anal , vol.29 , pp. 1537-1541
    • Nowak, P.1
  • 124
    • 85103001085 scopus 로고    scopus 로고
    • p.739-744. In P.C. Robert et al. (ed.). Proc. 3rd Int. Conf. on Precision Agric., Minneapolis, MN. 23-26 June 1996. ASA, CSSA, and SSSA, Madison, WI
    • Nuspl, S.J., W.W. Rudolph, and R. Guthland. 1996. Use of injection for site-specific chemical application. p.739-744. In P.C. Robert et al. (ed.). Proc. 3rd Int. Conf. on Precision Agric., Minneapolis, MN. 23-26 June 1996. ASA, CSSA, and SSSA, Madison, WI.
    • (1996) Use of injection for site-specific chemical application
    • Nuspl, S.J.1    Rudolph, W.W.2    Guthland, R.3
  • 125
    • 85102991123 scopus 로고    scopus 로고
    • Economic value of site-specific phosphorus and potassium information under alternative soil sampling intensities
    • P.C. Robert et al. (ed.), ASA, CSSA, and SSSA, Madison, WI
    • Ochai, S., R.H. Hornbaker, D.G. Bullock., and T.R. Ellsworth. 2000. Economic value of site-specific phosphorus and potassium information under alternative soil sampling intensities. In P.C. Robert et al. (ed.) Proc. 5th Int. Conf. on Precision Agric. CD-ROM. ASA, CSSA, and SSSA, Madison, WI.
    • (2000) Proc. 5th Int. Conf. on Precision Agric. CD-ROM
    • Ochai, S.1    Hornbaker, R.H.2    Bullock, D.G.3    Ellsworth, T.R.4
  • 126
    • 0000022221 scopus 로고    scopus 로고
    • Calculation of fertilizer distribution patterns from a spinning disc spreader by means of a simulation model
    • Olieslagers, R., H. Ramon, and J. De Baerdemaeker. 1996. Calculation of fertilizer distribution patterns from a spinning disc spreader by means of a simulation model. J. Agric. Eng. Res. 63: 137-152.
    • (1996) J. Agric. Eng. Res , vol.63 , pp. 137-152
    • Olieslagers, R.1    Ramon, H.2    De Baerdemaeker, J.3
  • 127
    • 0007872070 scopus 로고    scopus 로고
    • Performance of a continuously controlled spinning disc spreader for precision application of fertilizer
    • J.V. Stafford (ed.), First European Conf. on Precision Agric., Oxford, UK. 7-10 Sept. 1997. BIOS Sci. Publ., Herndon, VA
    • Olieslagers, R., H. Ramon, and J. De Baerdemaeker. 1997. Performance of a continuously controlled spinning disc spreader for precision application of fertilizer. p. 661-668. In J.V. Stafford (ed.) Precision agriculture '97. First European Conf. on Precision Agric., Oxford, UK. 7-10 Sept. 1997. BIOS Sci. Publ., Herndon, VA.
    • (1997) Precision agriculture '97 , pp. 661-668
    • Olieslagers, R.1    Ramon, H.2    De Baerdemaeker, J.3
  • 129
    • 0011166909 scopus 로고    scopus 로고
    • Multivariate approach to N and P recommendations in variable rate fertilizer applications
    • J.V. Stafford (ed.), Proc. 2nd European Conf. on Precision Agric., Odense, Denmark. 11-15 July 1999. Sheffield Academic Press, Sheffield, UK
    • Ortega, R.A., D.G. Westfall, W.J. Gangloff, G.A. Peterson, and J.V. Stafford. 1999. Multivariate approach to N and P recommendations in variable rate fertilizer applications. p. 387-396. In J.V. Stafford (ed.) Precision Agriculture '99. Proc. 2nd European Conf. on Precision Agric., Odense, Denmark. 11-15 July 1999. Sheffield Academic Press, Sheffield, UK.
    • (1999) Precision Agriculture '99 , pp. 387-396
    • Ortega, R.A.1    Westfall, D.G.2    Gangloff, W.J.3    Peterson, G.A.4    Stafford, J.V.5
  • 130
    • 0001843471 scopus 로고    scopus 로고
    • Variability of phosphorus over landscapes and dryland winter wheat yields
    • Ortega, R.A., D.G. Westfall, and G.A. Peterson. 1997. Variability of phosphorus over landscapes and dryland winter wheat yields. Better Crops Plant Food 81: 24-27.
    • (1997) Better Crops Plant Food , vol.81 , pp. 24-27
    • Ortega, R.A.1    Westfall, D.G.2    Peterson, G.A.3
  • 131
    • 0036851692 scopus 로고    scopus 로고
    • Detection of phosphorus and nitrogen deficiencies in corn using spectral radiance measurements
    • Osborne, S.L., J.S. Schepers, D.D. Francis, and M.R. Schlemmer. 2002a. Detection of phosphorus and nitrogen deficiencies in corn using spectral radiance measurements. Agron. J. 94: 1215-1221.
    • (2002) Agron. J , vol.94 , pp. 1215-1221
    • Osborne, S.L.1    Schepers, J.S.2    Francis, D.D.3    Schlemmer, M.R.4
  • 132
    • 0036156499 scopus 로고    scopus 로고
    • Use of spectral radiance to estimate in-season biomass and grain yield in nitrogen and water stressed corn
    • Osborne, S.L., J.S. Schepers, D.D. Francis, and M.R. Schlemmer. 2002b. Use of spectral radiance to estimate in-season biomass and grain yield in nitrogen and water stressed corn. Crop Sci. 42: 165-171.
    • (2002) Crop Sci , vol.42 , pp. 165-171
    • Osborne, S.L.1    Schepers, J.S.2    Francis, D.D.3    Schlemmer, M.R.4
  • 133
    • 0002149908 scopus 로고    scopus 로고
    • Using precision farming technologies for improving applied on-farm research
    • P.C. Robert et al. (ed.), Minneapolis, MN. 23-27 June1996 ASA, CSSA, and SSSA, Madison, WI
    • Oyarzabal, E.S., A.P. Mallarino, and P.N. Hinz. 1996. Using precision farming technologies for improving applied on-farm research. In P.C. Robert et al. (ed.) Proc., 3rd Int. Conf. on Site-Specific Manage. for Agric. Systems, Minneapolis, MN. 23-27 June1996 ASA, CSSA, and SSSA, Madison, WI.
    • (1996) Proc., 3rd Int. Conf. on Site-Specific Manage. for Agric. Systems
    • Oyarzabal, E.S.1    Mallarino, A.P.2    Hinz, P.N.3
  • 134
    • 0005275906 scopus 로고
    • Plant development, and N and P use of winter barley. I. Evidence of water stress-induced P deficiency in an eroded toposequence
    • Pan, W.L., and A.G. Hopkins. 1991. Plant development, and N and P use of winter barley. I. Evidence of water stress-induced P deficiency in an eroded toposequence. Plant Soil 135: 9-19.
    • (1991) Plant Soil , vol.135 , pp. 9-19
    • Pan, W.L.1    Hopkins, A.G.2
  • 135
    • 0025894401 scopus 로고
    • Effect of rough operating surface on rotary spreader distribution pattern
    • Parish R.L. 1991. Effect of rough operating surface on rotary spreader distribution pattern. Appl. Eng. Agric. 7: 61-63.
    • (1991) Appl. Eng. Agric , vol.7 , pp. 61-63
    • Parish, R.L.1
  • 136
    • 0024684342 scopus 로고
    • Experimental verification of the effect of collection pan width on apparent spread pattern
    • Parish R.L., and P. de Visser. 1989. Experimental verification of the effect of collection pan width on apparent spread pattern. Appl. Eng. Agric. 5: 163-164.
    • (1989) Appl. Eng. Agric , vol.5 , pp. 163-164
    • Parish, R.L.1    de Visser, P.2
  • 137
    • 0011693198 scopus 로고
    • Field sampling for soil testing
    • L.M. Walsh and J.D. Beaton (ed.), SSSA, Madison, WI
    • Peck, T.R., and S.W. Melsted. 1973. Field sampling for soil testing. p. 67-75. In L.M. Walsh and J.D. Beaton (ed.) Soil testing and plant analysis (Rev.). SSSA, Madison, WI.
    • (1973) Soil testing and plant analysis (Rev.) , pp. 67-75
    • Peck, T.R.1    Melsted, S.W.2
  • 140
    • 0342913206 scopus 로고    scopus 로고
    • Accuracy of fertilizer distribution for site specific fertilisation
    • J.V. Stafford (ed.), Odense, Denmark. 11-15 July 1999. Sheffield Academic Press, Sheffield, UK
    • Persson, K., and J. Bangsgaard. 1999. Accuracy of fertilizer distribution for site specific fertilisation. p. 815-824. In J.V. Stafford (ed.) Precision Agriculture '99. Proc. 2nd European Conf. on Precision Agric., Odense, Denmark. 11-15 July 1999. Sheffield Academic Press, Sheffield, UK.
    • (1999) Precision Agriculture '99. Proc. 2nd European Conf. on Precision Agric , pp. 815-824
    • Persson, K.1    Bangsgaard, J.2
  • 141
    • 0001772065 scopus 로고    scopus 로고
    • Aspects of precision agriculture
    • D.L. Sparks (ed.), Academic Press, San Diego, CA
    • Pierce, J.F., and P. Nowak. 1999. Aspects of precision agriculture. p. 1-85. In D.L. Sparks (ed.) Advances in agronomy. Vol. 67. Academic Press, San Diego, CA.
    • (1999) Advances in agronomy , vol.67 , pp. 1-85
    • Pierce, J.F.1    Nowak, P.2
  • 143
    • 85103026032 scopus 로고
    • Yield and nutrient variability in glacial soils of Michigan
    • P.C. Robert et al. (ed.), ASA Misc. Publ. ASA, CSSA, and SSSA, Madison, WI
    • Pierce, F.J., D.D. Warncke, and M.W. Everett. 1995. Yield and nutrient variability in glacial soils of Michigan. p. 133-152. In P.C. Robert et al. (ed.) Site-specific management for agricultural systems. ASA Misc. Publ. ASA, CSSA, and SSSA, Madison, WI.
    • (1995) Site-specific management for agricultural systems , pp. 133-152
    • Pierce, F.J.1    Warncke, D.D.2    Everett, M.W.3
  • 144
    • 85104299889 scopus 로고
    • Sampling
    • C.A. Black (ed.), Agron. Monogr. 9. ASA, CSSA, and SSSA, Madison, WI
    • Petersen, R.G., and L.D. Calvin. 1965. Sampling. p. 54-72. In C.A. Black (ed.) Methods of soil analysis. Agron. Monogr. 9. ASA, CSSA, and SSSA, Madison, WI.
    • (1965) Methods of soil analysis , pp. 54-72
    • Petersen, R.G.1    Calvin, L.D.2
  • 145
    • 0001902758 scopus 로고    scopus 로고
    • Directed soil sampling
    • P.C. Robert et al. (ed.), Minneapolis, MN. 23-26 June 1996. ASA, CSSA, and SSSA, Madison, WI
    • Pocknee, S., B.C. Bouydell, H.M. Green, D.J. Waters, and C.K. Kvien. 1996. Directed soil sampling. p. 159-168. In P.C. Robert et al. (ed.) Proc. 3rd Int. Conf. on Precision Agric., Minneapolis, MN. 23-26 June 1996. ASA, CSSA, and SSSA, Madison, WI.
    • (1996) Proc. 3rd Int. Conf. on Precision Agric , pp. 159-168
    • Pocknee, S.1    Bouydell, B.C.2    Green, H.M.3    Waters, D.J.4    Kvien, C.K.5
  • 147
    • 85102995421 scopus 로고    scopus 로고
    • Soybean grain yield response to phosphate application across a glacial till landscape
    • P.C. Robert et al. (ed.), CDROM. ASA, CSSA, and SSSA, Madison, WI
    • Rehm, G.W., and J.A. Lamb. 2000. Soybean grain yield response to phosphate application across a glacial till landscape. In P.C. Robert et al. (ed.) Proc. 5th Int. Conf. on Precision Agric. CDROM. ASA, CSSA, and SSSA, Madison, WI.
    • (2000) Proc. 5th Int. Conf. on Precision Agric
    • Rehm, G.W.1    Lamb, J.A.2
  • 148
    • 0029513325 scopus 로고
    • Impact of fertilizer placement and tillage system on phosphorus distribution in soil
    • Rehm, G.W., G.W. Randall, A.J. Scobbie, and J.A. Vetsch. 1995. Impact of fertilizer placement and tillage system on phosphorus distribution in soil. Soil Sci. Soc. Am. J. 59: 1661-1665.
    • (1995) Soil Sci. Soc. Am. J , vol.59 , pp. 1661-1665
    • Rehm, G.W.1    Randall, G.W.2    Scobbie, A.J.3    Vetsch, J.A.4
  • 151
    • 0001446385 scopus 로고
    • The significance of local soil types to soil fertility studies
    • Rennie, D.A., and J.S. Clayton. 1960. The significance of local soil types to soil fertility studies. Can. J. Soil Sci. 40: 146-156.
    • (1960) Can. J. Soil Sci , vol.40 , pp. 146-156
    • Rennie, D.A.1    Clayton, J.S.2
  • 152
    • 0022205873 scopus 로고
    • The influence of topography on the distribution of organic and inorganic soil phosphorus across a narrow environmental gradient
    • Roberts, T.L., J.W.B. Stewart, and J.R. Bettany. 1985. The influence of topography on the distribution of organic and inorganic soil phosphorus across a narrow environmental gradient. Can. J. Soil Sci. 65: 651-665.
    • (1985) Can. J. Soil Sci , vol.65 , pp. 651-665
    • Roberts, T.L.1    Stewart, J.W.B.2    Bettany, J.R.3
  • 154
    • 85104346683 scopus 로고    scopus 로고
    • Modeling crop yield for site-specific management
    • F.J. Pierce, and E.J. Sadler (ed.), ASA, CSSA, and SSSA, Madison, WI
    • Sadler, E.J., and G. Russell. 1997. Modeling crop yield for site-specific management. p. 69-79. In F.J. Pierce, and E.J. Sadler (ed.) The state of site-specific management for agriculture. ASA, CSSA, and SSSA, Madison, WI.
    • (1997) The state of site-specific management for agriculture , pp. 69-79
    • Sadler, E.J.1    Russell, G.2
  • 155
    • 0028082658 scopus 로고
    • Concepts of variable rate technology with considerations for fertilizer application
    • Sawyer, J.E. 1994. Concepts of variable rate technology with considerations for fertilizer application. J. Prod. Agric. 7: 195-201.
    • (1994) J. Prod. Agric , vol.7 , pp. 195-201
    • Sawyer, J.E.1
  • 157
    • 0033964543 scopus 로고    scopus 로고
    • Site-specific considerations for managing phosphorus
    • Schepers, J.S., M.R. Schlemmer, and R.B. Ferguson. 2000b. Site-specific considerations for managing phosphorus. J. Environ. Qual. 29: 125-130.
    • (2000) J. Environ. Qual , vol.29 , pp. 125-130
    • Schepers, J.S.1    Schlemmer, M.R.2    Ferguson, R.B.3
  • 158
    • 3142641323 scopus 로고    scopus 로고
    • Precision agriculture as a tool for sustainability
    • E. Balazs et al. (ed.), Connecting science and policy. Springer, Paris
    • Schepers, J.S., J.F. Shanahan, and A. Luchiari, Jr. 2000a. Precision agriculture as a tool for sustainability. p. 129-135. In E. Balazs et al. (ed.) Biological resource management. Connecting science and policy. Springer, Paris.
    • (2000) Biological resource management , pp. 129-135
    • Schepers, J.S.1    Shanahan, J.F.2    Luchiari, A.3
  • 159
    • 0036154688 scopus 로고    scopus 로고
    • Evaluating the potential for site-specific phosphorus applications without high-density soil sampling
    • Schmidt, J.P., R.K. Taylor, and G.A. Milliken. 2002. Evaluating the potential for site-specific phosphorus applications without high-density soil sampling. Soil Sci. Soc. Am. J. 66: 276-283.
    • (2002) Soil Sci. Soc. Am. J , vol.66 , pp. 276-283
    • Schmidt, J.P.1    Taylor, R.K.2    Milliken, G.A.3
  • 160
    • 0001236405 scopus 로고    scopus 로고
    • An economic evaluation of precision fertilizer applications on corn-soybean fields
    • P.C. Robert et al. (ed.), Minneapolis, MN. 23-26 June. ASA, CSSA, and SSSA, Madison, WI
    • Schnitkey, G.D., J.W. Hopkins, and L.G. Tweeten. 1996. An economic evaluation of precision fertilizer applications on corn-soybean fields. p. 977-987. In P.C. Robert et al. (ed.) Proc. 3rd Int. Conf. on Precision Agric., Minneapolis, MN. 23-26 June. ASA, CSSA, and SSSA, Madison, WI.
    • (1996) Proc. 3rd Int. Conf. on Precision Agric , pp. 977-987
    • Schnitkey, G.D.1    Hopkins, J.W.2    Tweeten, L.G.3
  • 162
    • 0035214858 scopus 로고    scopus 로고
    • Sampling strategies for mapping soil phosphorus and soil potassium distributions in cool temperate grassland
    • Shi, Z., K. Wang, J. S. Bailey, C. Jordan, and A. J. Higgins. 2000. Sampling strategies for mapping soil phosphorus and soil potassium distributions in cool temperate grassland. Precision Agric. 2: 347-357.
    • (2000) Precision Agric , vol.2 , pp. 347-357
    • Shi, Z.1    Wang, K.2    Bailey, J.S.3    Jordan, C.4    Higgins, A.J.5
  • 163
    • 24344486280 scopus 로고    scopus 로고
    • Site-specific nutrient management: Variability in cotton yield response and soil chemical characteristics
    • Smith, S.A., M.E. Essington, D.D. Howard, D.D. Tyler, and J. Wilkerson. 1998. Site-specific nutrient management: Variability in cotton yield response and soil chemical characteristics. Better Crops Plant Food 82: 12-14.
    • (1998) Better Crops Plant Food , vol.82 , pp. 12-14
    • Smith, S.A.1    Essington, M.E.2    Howard, D.D.3    Tyler, D.D.4    Wilkerson, J.5
  • 164
    • 0028534747 scopus 로고
    • Yield reduction resulting from uneven fertilizer distribution
    • Sogaard H.T., and P. Kierkegaard. 1994. Yield reduction resulting from uneven fertilizer distribution. Trans ASAE 37: 1749-1752.
    • (1994) Trans ASAE , vol.37 , pp. 1749-1752
    • Sogaard, H.T.1    Kierkegaard, P.2
  • 165
    • 0001891804 scopus 로고
    • Effects of topographical positions, soil test values and fertilizer use on yields of wheat in a complex of black Chernozemic and Gleysolic soils
    • Spratt, E.D., and R.N. McIver. 1972. Effects of topographical positions, soil test values and fertilizer use on yields of wheat in a complex of black Chernozemic and Gleysolic soils. Can. J. Soil Sci. 52: 53-58.
    • (1972) Can. J. Soil Sci , vol.52 , pp. 53-58
    • Spratt, E.D.1    McIver, R.N.2
  • 166
    • 0002952187 scopus 로고    scopus 로고
    • Using yield maps to regionalize field into potential management units
    • P.C. Robert et al. (ed.), St. Paul, MN. 19-22 July 1998. ASA, Madison, WI
    • Stafford, J.V., R.M. Clark, and H.C. Bolam. 1999. Using yield maps to regionalize field into potential management units. p. 225-237. In P.C. Robert et al. (ed.) Proc. 4th Int. Conf. on Precision Agric., St. Paul, MN. 19-22 July 1998. ASA, Madison, WI.
    • (1999) Proc. 4th Int. Conf. on Precision Agric , pp. 225-237
    • Stafford, J.V.1    Clark, R.M.2    Bolam, H.C.3
  • 167
    • 85104338909 scopus 로고    scopus 로고
    • Sensors for site-specific management
    • F.J. Pierce and E.J. Sadler (ed.), ASA, CSSA, and SSSA, Madison, WI
    • Sudduth, K.A., J.W. Hummel, and S.J. Birrell. 1997. Sensors for site-specific management. p. 183-210. In F.J. Pierce and E.J. Sadler (ed.) The state of site-specific management for agriculture. ASA, CSSA, and SSSA, Madison, WI.
    • (1997) The state of site-specific management for agriculture , pp. 183-210
    • Sudduth, K.A.1    Hummel, J.W.2    Birrell, S.J.3
  • 168
    • 0000575681 scopus 로고    scopus 로고
    • Soil conductivity sensing on claypan soil: Comparison of electromagnetic induction and direct methods
    • P.C. Robert et al. (ed.), St. Paul, MN. 19-22 July 1998. ASA, Madison, WI
    • Sudduth, K.A., N.R. Kitchen, and S.T. Drummond. 1998. Soil conductivity sensing on claypan soil: Comparison of electromagnetic induction and direct methods. p. 979-990. In P.C. Robert et al. (ed.). Proc. 4th Int. Conf. on Precision Agric., St. Paul, MN. 19-22 July 1998. ASA, Madison, WI.
    • (1998) Proc. 4th Int. Conf. on Precision Agric , pp. 979-990
    • Sudduth, K.A.1    Kitchen, N.R.2    Drummond, S.T.3
  • 169
    • 85103009951 scopus 로고
    • Evaluation of mapping strategies for variable rate applications
    • P.C. Robert et al. (ed.), Bloomington/Minneapolis, MN. 27-30 Mar. 1994. ASA, CSSA, and SSSA, Madison, WI
    • Thompson, W.H., and P.C. Robert. 1995. Evaluation of mapping strategies for variable rate applications. p. 303-323. In P.C. Robert et al. (ed.) Proc. 2nd Int. Conf. on Site-Specific Manage. for Agric. Systems. Bloomington/Minneapolis, MN. 27-30 Mar. 1994. ASA, CSSA, and SSSA, Madison, WI.
    • (1995) Proc. 2nd Int. Conf. on Site-Specific Manage. for Agric. Systems , pp. 303-323
    • Thompson, W.H.1    Robert, P.C.2
  • 170
    • 0032077716 scopus 로고    scopus 로고
    • Spatial and temporal variability of corn grain yield on a hillslope
    • Timlin, D.J., Y. Pachepsky, V.A. Snyder, and R.B. Bryant. 1998. Spatial and temporal variability of corn grain yield on a hillslope. Soil Sci. Soc. Am. J. 62: 764-773.
    • (1998) Soil Sci. Soc. Am. J , vol.62 , pp. 764-773
    • Timlin, D.J.1    Pachepsky, Y.2    Snyder, V.A.3    Bryant, R.B.4
  • 171
    • 0001974318 scopus 로고
    • Soil sampling patterns for assessing no-tillage fertilization techniques
    • Tyler, D.D., and D.D. Howard. 1991. Soil sampling patterns for assessing no-tillage fertilization techniques. J. Fert. Issues 8: 52-56.
    • (1991) J. Fert. Issues , vol.8 , pp. 52-56
    • Tyler, D.D.1    Howard, D.D.2
  • 172
    • 0034281497 scopus 로고    scopus 로고
    • Soil sampling strategies for precision agriculture research under Sahelian conditions
    • van Groenigen, J.W., M. Gandah, and J. Bouma. 2000. Soil sampling strategies for precision agriculture research under Sahelian conditions. Soil Sci. Soc. Am. J. 64: 1674-1680.
    • (2000) Soil Sci. Soc. Am. J , vol.64 , pp. 1674-1680
    • van Groenigen, J.W.1    Gandah, M.2    Bouma, J.3
  • 173
    • 0000495925 scopus 로고    scopus 로고
    • Relationship between spectral data from an aerial image and soil organic matter and phosphorus levels
    • Varvel, G.E., M.R. Schlemmer, and J.S. Schepers. 1999. Relationship between spectral data from an aerial image and soil organic matter and phosphorus levels. Precision Agric. 1: 291-300.
    • (1999) Precision Agric , vol.1 , pp. 291-300
    • Varvel, G.E.1    Schlemmer, M.R.2    Schepers, J.S.3
  • 174
    • 85104354376 scopus 로고    scopus 로고
    • Modeling soil variability
    • F.J. Pierce, and E.J. Sadler (ed.), ASA, CSSA, and SSSA, Madison, WI
    • Verhagen, J., and J. Bouma. 1997. Modeling soil variability. p. 55-67. In F.J. Pierce, and E.J. Sadler (ed.) The state of site-specific management for agriculture. ASA, CSSA, and SSSA, Madison, WI.
    • (1997) The state of site-specific management for agriculture , pp. 55-67
    • Verhagen, J.1    Bouma, J.2
  • 176
    • 9944235608 scopus 로고    scopus 로고
    • Influences of soil chemical and physical properties on site-specific cotton production
    • P.C. Robert et al. (ed.), CDROM. ASA, CSSA, and SSSA, Madison, WI
    • Ward, B.D., and M.S. Cox. 2000. Influences of soil chemical and physical properties on site-specific cotton production. In P.C. Robert et al. (ed.) Proc. 5th Int. Conf. on Precision Agriculture. CDROM. ASA, CSSA, and SSSA, Madison, WI.
    • (2000) Proc. 5th Int. Conf. on Precision Agriculture
    • Ward, B.D.1    Cox, M.S.2
  • 177
    • 0035136409 scopus 로고    scopus 로고
    • Identifying critical sources of phosphorus export from agricultural watersheds
    • Weld, J.L., A.N. Sharpley, D.B. Beegle, and W.J. Gburek. 2001. Identifying critical sources of phosphorus export from agricultural watersheds. Nutr. Cycl. Agroecosyst. 59: 29-38.
    • (2001) Nutr. Cycl. Agroecosyst , vol.59 , pp. 29-38
    • Weld, J.L.1    Sharpley, A.N.2    Beegle, D.B.3    Gburek, W.J.4
  • 178
    • 0024783128 scopus 로고
    • Spatial variability of soil chemical properties in grazed pastures
    • West, C.P., A.P. Mallarino, W.F. Wedin, and D.B. Marx. 1989. Spatial variability of soil chemical properties in grazed pastures. Soil Sci. Soc. Am. J. 53: 784-789.
    • (1989) Soil Sci. Soc. Am. J , vol.53 , pp. 784-789
    • West, C.P.1    Mallarino, A.P.2    Wedin, W.F.3    Marx, D.B.4
  • 179
    • 0000798529 scopus 로고
    • Variable fertilizer application based on yield goal, soil fertility, and soil map unit
    • Wibawa, W.D., D.L. Dludlu, L.J. Swenson, D.G. Hopkins, and W.C. Dahnke. 1993. Variable fertilizer application based on yield goal, soil fertility, and soil map unit. J. Prod. Agric. 6: 255-261.
    • (1993) J. Prod. Agric , vol.6 , pp. 255-261
    • Wibawa, W.D.1    Dludlu, D.L.2    Swenson, L.J.3    Hopkins, D.G.4    Dahnke, W.C.5
  • 180
    • 85103002903 scopus 로고    scopus 로고
    • Use of variable-rate technology for agronomic and environmental phosphorus-based liquid swine manure management
    • P.C. Robert et al. (ed.), ASA, CSSA, and SSSA, Madison, WI
    • Wittry, D.J., and A.P. Mallarino. 2002. Use of variable-rate technology for agronomic and environmental phosphorus-based liquid swine manure management. In P.C. Robert et al. (ed.) Proc. 6th Int. Conf. on Precision Agric. CD-ROM. ASA, CSSA, and SSSA, Madison, WI.
    • (2002) Proc. 6th Int. Conf. on Precision Agric. CD-ROM
    • Wittry, D.J.1    Mallarino, A.P.2
  • 181
    • 0742302378 scopus 로고    scopus 로고
    • Comparison of uniform- and variable-rate phosphorus fertilization for corn-soybean rotations
    • Wittry, D.J., and A.P. Mallarino. 2004. Comparison of uniform- and variable-rate phosphorus fertilization for corn-soybean rotations. Agron. J. 96: 26-33.
    • (2004) Agron. J , vol.96 , pp. 26-33
    • Wittry, D.J.1    Mallarino, A.P.2
  • 182
    • 85075710519 scopus 로고    scopus 로고
    • Soil sampling and interpolation techniques for mapping spatial variability of soil properties
    • F.J. Pierce and E.J. Sadler (ed.), ASA, CSSA, and SSSA, Madison, WI
    • Wollenhaupt, N.C., D.J. Mulla, and C.A. Gotway Crawford. 1997. Soil sampling and interpolation techniques for mapping spatial variability of soil properties. p. 19-53. In F.J. Pierce and E.J. Sadler (ed.) The state of site-specific management for agriculture. ASA, CSSA, and SSSA, Madison, WI.
    • (1997) The state of site-specific management for agriculture , pp. 19-53
    • Wollenhaupt, N.C.1    Mulla, D.J.2    Gotway Crawford, C.A.3
  • 183
    • 85103048512 scopus 로고
    • Costs associated with variable rate phosphorus and potassium applications
    • Wollenhaupt, N.C., and R.P. Wolkowski. 1994. Costs associated with variable rate phosphorus and potassium applications. Better Crops Plant Food. 78: 8-9.
    • (1994) Better Crops Plant Food , vol.78 , pp. 8-9
    • Wollenhaupt, N.C.1    Wolkowski, R.P.2
  • 184
    • 0000222517 scopus 로고
    • Mapping soil test phosphorus and potassium for variable-rate fertilizer application
    • Wollenhaupt, N.C., R.P. Wolkowski, and M.K. Clayton. 1994. Mapping soil test phosphorus and potassium for variable-rate fertilizer application. J. Prod. Agric. 7: 441-448.
    • (1994) J. Prod. Agric , vol.7 , pp. 441-448
    • Wollenhaupt, N.C.1    Wolkowski, R.P.2    Clayton, M.K.3
  • 185
    • 0035351785 scopus 로고    scopus 로고
    • A variable-rate applicator for controlling rates of two liquid fertilizers
    • Yang, C. 2001. A variable-rate applicator for controlling rates of two liquid fertilizers. Appl. Eng. Agric. 17: 409-417.
    • (2001) Appl. Eng. Agric , vol.17 , pp. 409-417
    • Yang, C.1
  • 186
    • 0034873520 scopus 로고    scopus 로고
    • Comparisons of uniform and variable rate nitrogen and phosphorus fertilizer applications for grain sorghum
    • Yang, C., J.H. Everitt, and J.M. Bradford. 2001. Comparisons of uniform and variable rate nitrogen and phosphorus fertilizer applications for grain sorghum. Trans. ASAE 44: 201-209.
    • (2001) Trans. ASAE , vol.44 , pp. 201-209
    • Yang, C.1    Everitt, J.H.2    Bradford, J.M.3
  • 187
    • 0020436093 scopus 로고
    • Geostatistical analysis of soil chemical properties of large land areas. I. Semi-variograms
    • Yost, R.S., G. Uehara, and R.L. Fox. 1982. Geostatistical analysis of soil chemical properties of large land areas. I. Semi-variograms. Soil Sci. Soc. Am. J. 46: 1028-1033.
    • (1982) Soil Sci. Soc. Am. J , vol.46 , pp. 1028-1033
    • Yost, R.S.1    Uehara, G.2    Fox, R.L.3


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.