-
1
-
-
0003593093
-
-
Water Resour. Pub., 372. LLC, Highlands Ranch, CO
-
Ahuja L.R., Rojas K.W., Hanson J.D., Shaffer M.J., Ma L. Root zone water quality model 2000, Water Resour. Pub., 372. LLC, Highlands Ranch, CO.
-
(2000)
Root zone water quality model
-
-
Ahuja, L.R.1
Rojas, K.W.2
Hanson, J.D.3
Shaffer, M.J.4
Ma, L.5
-
2
-
-
0000353872
-
ICBM: The introductory carbon balance model for exploration of soil carbon balances
-
Andren O., Katterer T. ICBM: The introductory carbon balance model for exploration of soil carbon balances. Ecol. Appl. 1997, 7:1226-1236.
-
(1997)
Ecol. Appl.
, vol.7
, pp. 1226-1236
-
-
Andren, O.1
Katterer, T.2
-
3
-
-
0002543457
-
Nutrients in the Mississippi River
-
In R.H. Meade (ed.) Contaminants in the Mississippi River. US Geol. Surv. Circ. 1133:73-85
-
Antweiler, R.C., D.A. Goolsby, and H.E. Taylor. 1996. Nutrients in the Mississippi River. In R.H. Meade (ed.) Contaminants in the Mississippi River. US Geol. Surv. Circ. 1133:73-85.
-
(1996)
-
-
Antweiler, R.C.1
Goolsby, D.A.2
Taylor, H.E.3
-
4
-
-
0013550794
-
Economic and environmental strategic planning for the whole farm and ranch: The GPFARM decision support system
-
Ascough II, J.C., G.S. McMaster, M.J. Shaffer. J.D. Hanson, and L.R. Ahuja. 1998. Economic and environmental strategic planning for the whole farm and ranch: The GPFARM decision support system. Proc. Interagency Hydrologic Modeling Conf., 1st, Las Vegas, Nevada. 19-23 April.
-
(1999)
Proc. Interagency Hydrologic Modeling Conf., 1st, Las Vegas, Nevada
, pp. 19-23
-
-
Ascough II, J.C.1
McMaster, G.S.2
Shaffer, M.J.3
Hanson, J.D.4
Ahuja, L.R.5
-
5
-
-
0004757564
-
Report to the Commissioner of Agriculture, CO Dep
-
Agric.: Groundwater monitoring activities San Luis Valley Unconfined Aquifer. Denver, CO: CO Dep. of Public Health and Environ
-
Austin, B. 1993. Report to the Commissioner of Agriculture, CO Dep. Agric.: Groundwater monitoring activities San Luis Valley Unconfined Aquifer. Denver, CO: CO Dep. of Public Health and Environ.
-
(1993)
-
-
Austin, B.1
-
6
-
-
0344643604
-
Ground base sensing of plant nitrogen status in irrigated corn to improve nitrogen management
-
ASA Spec. Publ. 66, Madison, WI, T. VanToai, D. Major, M. McDonald, J. Schepers, L. Tarpley (Eds.)
-
Bausch W.C., Delgado J.A. Ground base sensing of plant nitrogen status in irrigated corn to improve nitrogen management. Digital imaging and spectral techniques: Applications to precision agriculture and crop physiology 2003, 145-157. ASA Spec. Publ. 66, Madison, WI. T. VanToai, D. Major, M. McDonald, J. Schepers, L. Tarpley (Eds.).
-
(2003)
Digital imaging and spectral techniques: Applications to precision agriculture and crop physiology
, pp. 145-157
-
-
Bausch, W.C.1
Delgado, J.A.2
-
7
-
-
28244486425
-
Impact of residual soil nitrate on in-season nitrogen applications to irrigated corn based on remotely sensed assessment of crop nitrogen status
-
Bausch W.C., Delgado J.A. Impact of residual soil nitrate on in-season nitrogen applications to irrigated corn based on remotely sensed assessment of crop nitrogen status. Prec. Agric. 2005, 6:509-519.
-
(2005)
Prec. Agric.
, vol.6
, pp. 509-519
-
-
Bausch, W.C.1
Delgado, J.A.2
-
8
-
-
0345094905
-
Precision conservation for environmental sustainability
-
Berry J.R., Delgado J.A., Khosla R., Pierce.F.J. Precision conservation for environmental sustainability. J. Soil Water Conserv. 2003, 58:332-339.
-
(2003)
J. Soil Water Conserv.
, vol.58
, pp. 332-339
-
-
Berry, J.R.1
Delgado, J.A.2
Khosla, R.3
Pierce, F.J.4
-
9
-
-
33845359246
-
Applying spatial analysis for precision conservation across the landscape
-
Berry J.K., Delgado J.A., Pierce F.J., Khosla R. Applying spatial analysis for precision conservation across the landscape. J. Soil Water Conserv. 2005, 60:363-370.
-
(2005)
J. Soil Water Conserv.
, vol.60
, pp. 363-370
-
-
Berry, J.K.1
Delgado, J.A.2
Pierce, F.J.3
Khosla, R.4
-
11
-
-
0004263746
-
-
Colorado Department of Agriculture and US Department of Agriculture (CDA and USDA), CO Agric. Statistics Serv., Lakewood, CO
-
Colorado agricultural statistics 1997, Colorado Department of Agriculture and US Department of Agriculture (CDA and USDA), CO Agric. Statistics Serv., Lakewood, CO.
-
(1997)
Colorado agricultural statistics
-
-
-
12
-
-
0032232278
-
Sequential NLEAP simulations to examine effect of early and late planted winter cover crops on nitrogen dynamics
-
Delgado J.A. Sequential NLEAP simulations to examine effect of early and late planted winter cover crops on nitrogen dynamics. J. Soil Water Conserv. 1998, 53:241-244.
-
(1998)
J. Soil Water Conserv.
, vol.53
, pp. 241-244
-
-
Delgado, J.A.1
-
13
-
-
0002538786
-
3-N in the San Luis Valley and potential use for precision agriculture
-
ASA, Madison, WI, P.C. Robert, R.H. Rust, W.E. Larson (Eds.)
-
3-N in the San Luis Valley and potential use for precision agriculture. Proc. Int. Conf. on Precision Agric. 4th 1999, 1367-1378. ASA, Madison, WI. P.C. Robert, R.H. Rust, W.E. Larson (Eds.).
-
(1999)
Proc. Int. Conf. on Precision Agric. 4th
, pp. 1367-1378
-
-
Delgado, J.A.1
-
14
-
-
0002926450
-
Use of simulations for evaluation of best management practices on irrigated cropping systems
-
CRC Press, Boca Raton, FL, M.J. Shaffer et al. (Ed.)
-
Delgado J. Use of simulations for evaluation of best management practices on irrigated cropping systems. Modeling carbon and nitrogen dynamics for soil management 2001, CRC Press, Boca Raton, FL. M.J. Shaffer et al. (Ed.).
-
(2001)
Modeling carbon and nitrogen dynamics for soil management
-
-
Delgado, J.1
-
15
-
-
33845352641
-
Potential use of precision conservation techniques to reduce nitrate leaching in irrigated crops
-
Delgado J.A., Bausch W.C. Potential use of precision conservation techniques to reduce nitrate leaching in irrigated crops. J. Soil Water Conserv. 2005, 60:379-387.
-
(2005)
J. Soil Water Conserv.
, vol.60
, pp. 379-387
-
-
Delgado, J.A.1
Bausch, W.C.2
-
16
-
-
33845352891
-
Nutrient management
-
Markel and Decker, New York, R. Lal (Ed.)
-
Delgado J.A., Lemunyon J. Nutrient management. Encyclopedia soil science 2006, 1157-1160. Markel and Decker, New York. R. Lal (Ed.).
-
(2006)
Encyclopedia soil science
, pp. 1157-1160
-
-
Delgado, J.A.1
Lemunyon, J.2
-
17
-
-
0032243794
-
NLEAP facts about nitrogen management
-
Delgado J.A., Follett R.F., Sharkoff J.L., Brodahl M.K., Shaffer M.J. NLEAP facts about nitrogen management. J. Soil Water Conserv. 1998, 53:332-338.
-
(1998)
J. Soil Water Conserv.
, vol.53
, pp. 332-338
-
-
Delgado, J.A.1
Follett, R.F.2
Sharkoff, J.L.3
Brodahl, M.K.4
Shaffer, M.J.5
-
19
-
-
0002666195
-
Use of winter cover crops to conserve soil and water quality in the San Luis Valley of South Central Colorado
-
CRC Press, Boca Raton, Fl, R. Lal (Ed.)
-
Delgado J.A., Sparks R.T., Follett R.F., Sharkoff J.L., Riggenbach R.R. Use of winter cover crops to conserve soil and water quality in the San Luis Valley of South Central Colorado. Soil quality and soil erosion. 1999, 125-142. CRC Press, Boca Raton, Fl. R. Lal (Ed.).
-
(1999)
Soil quality and soil erosion.
, pp. 125-142
-
-
Delgado, J.A.1
Sparks, R.T.2
Follett, R.F.3
Sharkoff, J.L.4
Riggenbach, R.R.5
-
21
-
-
0034946486
-
Use of innovative tools to increase nitrogen use efficiency and protect environmental quality in crop rotations
-
Delgado J.A., Ristau R.J., Dillon M.A., Duke H.R., Stuebe A., Follett R.F., Shaffer M.J., Riggenbach R.R., Sparks R.T., Thompson A., Kawanabe L.M., Kunugi A., Thompson K. Use of innovative tools to increase nitrogen use efficiency and protect environmental quality in crop rotations. Comm. Soil Sci. Plant Anal. 2001, 32:1321-1354.
-
(2001)
Comm. Soil Sci. Plant Anal.
, vol.32
, pp. 1321-1354
-
-
Delgado, J.A.1
Ristau, R.J.2
Dillon, M.A.3
Duke, H.R.4
Stuebe, A.5
Follett, R.F.6
Shaffer, M.J.7
Riggenbach, R.R.8
Sparks, R.T.9
Thompson, A.10
Kawanabe, L.M.11
Kunugi, A.12
Thompson, K.13
-
22
-
-
0034977845
-
Evaluation of nitrate-nitrogen transport in a potato-barley rotation
-
Delgado J.A., Riggenbach R.R., Sparks R.T., Dillon M.A., Kawanabe L.M., Ristau R.J. Evaluation of nitrate-nitrogen transport in a potato-barley rotation. J. Soil Sci. Soc. Am. 2001, 65:878-883.
-
(2001)
J. Soil Sci. Soc. Am.
, vol.65
, pp. 878-883
-
-
Delgado, J.A.1
Riggenbach, R.R.2
Sparks, R.T.3
Dillon, M.A.4
Kawanabe, L.M.5
Ristau, R.J.6
-
23
-
-
34248548952
-
Nitrogen fertilizer management based on site specific management zones reduce potential for nitrate leaching
-
Delgado J.A., Khosla R., Bausch W.C., Westfall D.G., Inman D. Nitrogen fertilizer management based on site specific management zones reduce potential for nitrate leaching. J. Soil Water Conserv. 2005, 60:402-410.
-
(2005)
J. Soil Water Conserv.
, vol.60
, pp. 402-410
-
-
Delgado, J.A.1
Khosla, R.2
Bausch, W.C.3
Westfall, D.G.4
Inman, D.5
-
24
-
-
33845357967
-
A decade of change in nutrient management: A new nitrogen index
-
Delgado J.A., Shaffer M., Hu C., Lavado R.S., Cueto-Wong J., Joosse P., Li X., Rimski-Korsakvo H., Follett R., Colon W., Sotomayor D. A decade of change in nutrient management: A new nitrogen index. J. Soil Water Conserv. 2006, 61:66A-75A.
-
(2006)
J. Soil Water Conserv.
, vol.61
-
-
Delgado, J.A.1
Shaffer, M.2
Hu, C.3
Lavado, R.S.4
Cueto-Wong, J.5
Joosse, P.6
Li, X.7
Rimski-Korsakvo, H.8
Follett, R.9
Colon, W.10
Sotomayor, D.11
-
25
-
-
84884459689
-
Using green manures to enhance potato production: II Other benefits - effects on nutrient cycling, tuber yield and quality
-
In Proc. Ann. Southern Rocky Mountain Agric. Conf. and Trade Fair. Monte Vista, CO. January 30-February 2, 2007, 2002
-
Delgado, J.A., M. Dillon, S. Essah, R. Ingham, and D. Manter. 2007. Using green manures to enhance potato production: II Other benefits - effects on nutrient cycling, tuber yield and quality, pp.16-20. In Proc. Ann. Southern Rocky Mountain Agric. Conf. and Trade Fair. Monte Vista, CO. January 30-February 2, 2007, 2002.
-
(2007)
, pp. 16-20
-
-
Delgado, J.A.1
Dillon, M.2
Essah, S.3
Ingham, R.4
Manter, D.5
-
26
-
-
0002706789
-
Simulated interaction of soil carbon dynamics and nitrogen trace gas fluxes using the DAYCENT model
-
CRC Press, Boca Raton, FL, M.J. Shaffer (Ed.)
-
Del Grosso W.J., Parton A.R., Moser M.D., Hartman J., Brenner D.S., Ojima, Schimel D.S. Simulated interaction of soil carbon dynamics and nitrogen trace gas fluxes using the DAYCENT model. Modeling carbon and nitrogen dynamics for soil management. 2001, CRC Press, Boca Raton, FL. M.J. Shaffer (Ed.).
-
(2001)
Modeling carbon and nitrogen dynamics for soil management.
-
-
Del Grosso, W.J.1
Parton, A.R.2
Moser, M.D.3
Hartman, J.4
Brenner, D.S.5
Ojima, S.D.S.6
-
27
-
-
2042547220
-
Acople de un Sistema de Información Geográfica con dos modelos de simulación de lixiviación de nitrato y su aplicación a una zona agrícola
-
(In Spanish) Ph.D. tesis. Universidad Politécnica de Valencia, Valencia, Spain.
-
De Paz, J.M. 1999. Acople de un Sistema de Información Geográfica con dos modelos de simulación de lixiviación de nitrato y su aplicación a una zona agrícola. (In Spanish) Ph.D. tesis. Universidad Politécnica de Valencia, Valencia, Spain.
-
(1999)
-
-
De Paz, J.M.1
-
28
-
-
85103054589
-
Contributions of agroecosystems to global climate change
-
ASA Spec. Pub. 55. ASA, Madison, WI, L.A. Harper, A.R. Mosier, J.M. Duxbury, D.E. Rolston (Eds.)
-
Duxbury J.M., Harper L.A., Mosier A.R. Contributions of agroecosystems to global climate change. Agricultural ecosystems effects on trace gases and global climate change 1993, 1-18. ASA Spec. Pub. 55. ASA, Madison, WI. L.A. Harper, A.R. Mosier, J.M. Duxbury, D.E. Rolston (Eds.).
-
(1993)
Agricultural ecosystems effects on trace gases and global climate change
, pp. 1-18
-
-
Duxbury, J.M.1
Harper, L.A.2
Mosier, A.R.3
-
29
-
-
84884432571
-
-
SOILN model user's manual, version 9.2. (p. 113). Uppsala, Sweden: Division of Hydrotechnics, Comm. 98:6. Swedish Univ. Agric. Sci
-
Eckersten, H., P.E. Hansson, and H. Johnsson. 1998. SOILN model user's manual, version 9.2. (p. 113). Uppsala, Sweden: Division of Hydrotechnics, Comm. 98:6. Swedish Univ. Agric. Sci.
-
(1998)
-
-
Eckersten, H.1
Hansson, P.E.2
Johnsson, H.3
-
30
-
-
0004812760
-
Evaluation of shallow ground water wells as a method of monitoring nitrate leaching in the San Luis Valley
-
M.S. Thesis. Colorado State University, Fort Collins, CO
-
Eddy-Miller, C.A. 1993. Evaluation of shallow ground water wells as a method of monitoring nitrate leaching in the San Luis Valley. M.S. Thesis. Colorado State University, Fort Collins, CO.
-
(1993)
-
-
Eddy-Miller, C.A.1
-
31
-
-
0004819649
-
Quality of ground water in agricultural areas of the San Luis Valley, south-central Colorado
-
Water Resources Investigations Rep. 83-4281 US Geol. Survey
-
Edelmann, P., and D.R. Buckles. 1984. Quality of ground water in agricultural areas of the San Luis Valley, south-central Colorado. Water Resources Investigations Rep. 83-4281 US Geol. Survey.
-
(1984)
-
-
Edelmann, P.1
Buckles, D.R.2
-
32
-
-
0345802252
-
Water in the San Luis Valley, south-central Colorado
-
Circ. 18. CO Water Conserv. Board Water Resources
-
Emery, P.A., R.J. Snipes, J.M. Dumeyer, J.M. Klein. 1973. Water in the San Luis Valley, south-central Colorado. Circ. 18. CO Water Conserv. Board Water Resources.
-
(1973)
-
-
Emery, P.A.1
Snipes, R.J.2
Dumeyer, J.M.3
Klein, J.M.4
-
33
-
-
0035928010
-
Assessment of spatial variability in nitrate leaching to reduce nitrogen fertilizers impact on water quality
-
Ersahin S. Assessment of spatial variability in nitrate leaching to reduce nitrogen fertilizers impact on water quality. Agric. Water Manag. 2001, 48:179-189.
-
(2001)
Agric. Water Manag.
, vol.48
, pp. 179-189
-
-
Ersahin, S.1
-
34
-
-
0002009345
-
Evaluating farmer developed management zone maps for precision farming
-
ASA, Madison, WI, P.C. Robert, R.H. Rust, W.E. Larson (Eds.)
-
Fleming K.L., Westfall D.G., Wiens D.W., Rothe L.E., Cipra J.E., Heermann D.F. Evaluating farmer developed management zone maps for precision farming. Proc. Int. Conf. Precision Agric. 4th 1999, 335-343. ASA, Madison, WI. P.C. Robert, R.H. Rust, W.E. Larson (Eds.).
-
(1999)
Proc. Int. Conf. Precision Agric. 4th
, pp. 335-343
-
-
Fleming, K.L.1
Westfall, D.G.2
Wiens, D.W.3
Rothe, L.E.4
Cipra, J.E.5
Heermann, D.F.6
-
35
-
-
0003638838
-
-
SSSA, Madison, WI
-
Follett R.F., Keeney D.R., Cruse R.M. Managing nitrogen for groundwater quality and farm profitability 1991, SSSA, Madison, WI.
-
(1991)
Managing nitrogen for groundwater quality and farm profitability
-
-
Follett, R.F.1
Keeney, D.R.2
Cruse, R.M.3
-
36
-
-
0000870368
-
Groundwater quality concerns about nitrogen
-
Elsevier Science Publication, R.F. Follett (Ed.)
-
Follett R.F., Walker D.J. Groundwater quality concerns about nitrogen. Nitrogen management and groundwater protection 1989, 1-22. Elsevier Science Publication. R.F. Follett (Ed.).
-
(1989)
Nitrogen management and groundwater protection
, pp. 1-22
-
-
Follett, R.F.1
Walker, D.J.2
-
37
-
-
0002296979
-
Modelling approaches of soil organic matter turnover within the CANDY system
-
Springer-Verlag, Heidelberg, D.S. Powlson, P. Smith, J.U. Smith (Eds.)
-
Franko U. Modelling approaches of soil organic matter turnover within the CANDY system. Evaluation of soil organic matter models using existing, long-term datasets Vol. NATO ASI Series I 1996, 247-254. Springer-Verlag, Heidelberg. D.S. Powlson, P. Smith, J.U. Smith (Eds.).
-
(1996)
Evaluation of soil organic matter models using existing, long-term datasets Vol. NATO ASI Series I
, pp. 247-254
-
-
Franko, U.1
-
38
-
-
0030614266
-
Changes in soil organic matter under different tillage and rotation: Mathematical modeling in ecosystems
-
Grant R.F. Changes in soil organic matter under different tillage and rotation: Mathematical modeling in ecosystems. Soil Sci. Soc. Am. J. 1997, 61:1159-1174.
-
(1997)
Soil Sci. Soc. Am. J.
, vol.61
, pp. 1159-1174
-
-
Grant, R.F.1
-
39
-
-
0002487396
-
A review of Canadian ecosystem model - ecosystems
-
CRC Press, Boca Raton, FL, M.J. Shaffer (Ed.)
-
Grant R.F. A review of Canadian ecosystem model - ecosystems. Modeling carbon and nitrogen dynamics for soil management 2001, CRC Press, Boca Raton, FL. M.J. Shaffer (Ed.).
-
(2001)
Modeling carbon and nitrogen dynamics for soil management
-
-
Grant, R.F.1
-
40
-
-
0003697374
-
Modelling the nitrogen and phosphorus leaching to groundwater and surface water
-
ANIMO 3.5. Inf. Rep. 144. DLO Winand Staring Centre, Wageningen, The Netherlands
-
Groenendijk, P. and J.G. Kroes. 1997. Modelling the nitrogen and phosphorus leaching to groundwater and surface water ANIMO 3.5. Inf. Rep. 144. DLO Winand Staring Centre, Wageningen, The Netherlands.
-
(1997)
-
-
Groenendijk, P.1
Kroes, J.G.2
-
41
-
-
0035077762
-
Regional nitrate leaching variability: What makes a difference in northeastern Colorado
-
Hall M.D., Shaffer M.J., Waskom R.M., Delgado J.A. Regional nitrate leaching variability: What makes a difference in northeastern Colorado. J. Am. Water Res. Assoc. 2001, 37:139-150.
-
(2001)
J. Am. Water Res. Assoc.
, vol.37
, pp. 139-150
-
-
Hall, M.D.1
Shaffer, M.J.2
Waskom, R.M.3
Delgado, J.A.4
-
42
-
-
0000866472
-
Simulation of nitrogen dynamics and biomass production in winter wheat using the Danish simulation model DAISY
-
Hansen S., Jensen H.E., Nielsen N.E., Svendsen H. Simulation of nitrogen dynamics and biomass production in winter wheat using the Danish simulation model DAISY. Fertil. Res. 1991, 27:245-259.
-
(1991)
Fertil. Res.
, vol.27
, pp. 245-259
-
-
Hansen, S.1
Jensen, H.E.2
Nielsen, N.E.3
Svendsen, H.4
-
43
-
-
0343648057
-
Hydrologic analysis of the Rio Grande Basin north of Embudo, New Mexico; Colorado; and New Mexico
-
Inf. Rep. 86-4113. Water Resources Investigations. US Geol. Survey
-
Hearne, G.A., and Dewey. 1988. Hydrologic analysis of the Rio Grande Basin north of Embudo, New Mexico; Colorado; and New Mexico. Inf. Rep. 86-4113. Water Resources Investigations. US Geol. Survey.
-
(1988)
-
-
Hearne, G.A.1
Dewey2
-
44
-
-
0033977216
-
A conceptual approach for integrating phosphorous and nitrogen management at watershed scales
-
Heathwaite L., Sharpley A., Gburek W. A conceptual approach for integrating phosphorous and nitrogen management at watershed scales. J. Environ. Qual. 2000, 29:158-166.
-
(2000)
J. Environ. Qual.
, vol.29
, pp. 158-166
-
-
Heathwaite, L.1
Sharpley, A.2
Gburek, W.3
-
45
-
-
84884463241
-
Using NLEAP to develop land use strategies for municipal wellhead protection in the central Wisconsin sands
-
Proc. of the Animal Waste and the Land-Water Interface Conf. Arkansas Water Resources Center. Fayetteville, AR
-
Kaap, J.D., W. Ebert, G. Kraft, and M.K. Brodahl. 1995. Using NLEAP to develop land use strategies for municipal wellhead protection in the central Wisconsin sands. Proc. of the Animal Waste and the Land-Water Interface Conf. Arkansas Water Resources Center. Fayetteville, AR.
-
(1995)
-
-
Kaap, J.D.1
Ebert, W.2
Kraft, G.3
Brodahl, M.K.4
-
46
-
-
15244358431
-
Modeling nitrogen uptake and potential nitrate leaching under different irrigation programs in nitrogen-fertilized tomato using the computer program NLEAP
-
Karaman MRT., Saltali K., Ersahin S., Gulec H., Derici M.R. Modeling nitrogen uptake and potential nitrate leaching under different irrigation programs in nitrogen-fertilized tomato using the computer program NLEAP. Environ. Monit. Assess. 2005, 101:249-259.
-
(2005)
Environ. Monit. Assess.
, vol.101
, pp. 249-259
-
-
Karaman, M.R.T.1
Saltali, K.2
Ersahin, S.3
Gulec, H.4
Derici, M.R.5
-
47
-
-
0009357675
-
Die Simulation der Stickstoffdynamik von Ackerböden
-
(In German) Ph.D. dissertation, University of Hannover
-
Kersebaum, K.C. 1989. Die Simulation der Stickstoffdynamik von Ackerböden. (In German) Ph.D. dissertation, University of Hannover.
-
(1989)
-
-
Kersebaum, K.C.1
-
48
-
-
0036872533
-
Use of site specific management zones to improve nitrogen management for precision agriculture
-
Khosla R., Fleming K., Delgado J., Shaver T., Westfall D. Use of site specific management zones to improve nitrogen management for precision agriculture. J. Soil Water Conserv. 2002, 57:513-518.
-
(2002)
J. Soil Water Conserv.
, vol.57
, pp. 513-518
-
-
Khosla, R.1
Fleming, K.2
Delgado, J.3
Shaver, T.4
Westfall, D.5
-
50
-
-
0002853566
-
A review of carbon and nitrogen processes in nine U.S. soil nitrogen dynamics models
-
CRC Press, Boca Raton, FL, M.J. Shaffer (Ed.)
-
Ma L., Shaffer.M.J. A review of carbon and nitrogen processes in nine U.S. soil nitrogen dynamics models. Modeling carbon and nitrogen dynamics for soil management 2001, 55-102. CRC Press, Boca Raton, FL. M.J. Shaffer (Ed.).
-
(2001)
Modeling carbon and nitrogen dynamics for soil management
, pp. 55-102
-
-
Ma, L.1
Shaffer, M.J.2
-
51
-
-
0028159614
-
Nitrate leaching as influenced by cover cropping and nitrogen source
-
McCracken D.V., Smith M.S., Grove J.H., MacKown C.T., Blevins R.L. Nitrate leaching as influenced by cover cropping and nitrogen source. Soil Sci. Soc. Am. J. 1994, 58:1476-1483.
-
(1994)
Soil Sci. Soc. Am. J.
, vol.58
, pp. 1476-1483
-
-
McCracken, D.V.1
Smith, M.S.2
Grove, J.H.3
MacKown, C.T.4
Blevins, R.L.5
-
52
-
-
0012489780
-
A review of carbon and nitrogen processes in European soil nitrogen dynamics models
-
CRC Press, Boca Raton, FL, M.J. Shaffer (Ed.)
-
McGechan M.B., Wu L. A review of carbon and nitrogen processes in European soil nitrogen dynamics models. Modeling carbon and nitrogen dynamics for soil management 2001, 103-172. CRC Press, Boca Raton, FL. M.J. Shaffer (Ed.).
-
(2001)
Modeling carbon and nitrogen dynamics for soil management
, pp. 103-172
-
-
McGechan, M.B.1
Wu, L.2
-
54
-
-
0025164451
-
Nitrate leaching from systematically tilled potato fields in New Brunswick, Canada
-
Milburn P., Richards J.E., Gartley C., Pollock T., O'Neill H., Bailey H. Nitrate leaching from systematically tilled potato fields in New Brunswick, Canada. J. Environ. Qual. 1990, 19:448-454.
-
(1990)
J. Environ. Qual.
, vol.19
, pp. 448-454
-
-
Milburn, P.1
Richards, J.E.2
Gartley, C.3
Pollock, T.4
O'Neill, H.5
Bailey, H.6
-
55
-
-
0021063578
-
NCSOIL, a model of nitrogen and carbon transformations in soil: Description, calibration, and behavior
-
Molina J.A.E., Clapp C.E., Shaffer M.J., Chichester F.W., Larson W.E. NCSOIL, a model of nitrogen and carbon transformations in soil: Description, calibration, and behavior. Soil Sci. Soc. Am. J. 1983, 47:85-91.
-
(1983)
Soil Sci. Soc. Am. J.
, vol.47
, pp. 85-91
-
-
Molina, J.A.E.1
Clapp, C.E.2
Shaffer, M.J.3
Chichester, F.W.4
Larson, W.E.5
-
56
-
-
0025919391
-
Methane and nitrous oxide fluxes in native, fertilized and cultivated grasslands
-
Mosier A., Schimel D., Valentine D., Bronson K., Parton W. Methane and nitrous oxide fluxes in native, fertilized and cultivated grasslands. Nature 1991, 350:330-332.
-
(1991)
Nature
, vol.350
, pp. 330-332
-
-
Mosier, A.1
Schimel, D.2
Valentine, D.3
Bronson, K.4
Parton, W.5
-
57
-
-
0001110134
-
The use of nitrogen fertilizer in agriculture: Where do we go practically and ecologically?
-
Newbould P. The use of nitrogen fertilizer in agriculture: Where do we go practically and ecologically?. Plant Soil 1989, 115:297-311.
-
(1989)
Plant Soil
, vol.115
, pp. 297-311
-
-
Newbould, P.1
-
58
-
-
0028472602
-
Groundwater nitrate levels under fertilized grass and grass legume pastures
-
Owens L.B., Edwards W.M. Groundwater nitrate levels under fertilized grass and grass legume pastures. J. Environ. Qual. 1994, 23:752-758.
-
(1994)
J. Environ. Qual.
, vol.23
, pp. 752-758
-
-
Owens, L.B.1
Edwards, W.M.2
-
59
-
-
0028388818
-
Long-term effects of crop management in wheat/fallow: II. CENTURY model simulations
-
Parton W.J., Rasmussen P.E. Long-term effects of crop management in wheat/fallow: II. CENTURY model simulations. Soil Sci. Soc. Am. J. 1994, 58:530-536.
-
(1994)
Soil Sci. Soc. Am. J.
, vol.58
, pp. 530-536
-
-
Parton, W.J.1
Rasmussen, P.E.2
-
60
-
-
0031773515
-
DAYCENT: Its land surface submodel: Description and testing
-
Parton W.J., Hartman M., Ojima D.S., Schimel D.S. DAYCENT: Its land surface submodel: Description and testing. Global Planetary Change 1998, 19:35-48.
-
(1998)
Global Planetary Change
, vol.19
, pp. 35-48
-
-
Parton, W.J.1
Hartman, M.2
Ojima, D.S.3
Schimel, D.S.4
-
61
-
-
85104321768
-
Screening procedure for estimating potentially leachable nitrate-nitrogen below the root zone
-
Follett, et al. (Eds.), Managing Nitrogen for Groundwater Quality and Farm Profitability. SSSA, Madison, WI
-
Pierce, F.J., M.J. Shaffer, and A.D. Halvorson 1991. Screening procedure for estimating potentially leachable nitrate-nitrogen below the root zone. In: Follett, et al. (Eds.), Managing Nitrogen for Groundwater Quality and Farm Profitability. SSSA, Madison, WI, pp. 259-283.
-
(1991)
, pp. 259-283
-
-
Pierce, F.J.1
Shaffer, M.J.2
Halvorson, A.D.3
-
62
-
-
0032804175
-
Improving nitrogen use efficiency for cereal production
-
Raun W.R., Johnson G.V. Improving nitrogen use efficiency for cereal production. Agron. J. 1999, 91:357-363.
-
(1999)
Agron. J.
, vol.91
, pp. 357-363
-
-
Raun, W.R.1
Johnson, G.V.2
-
63
-
-
1042301928
-
Potential nitrate losses under different agricultural practices in the pampas region
-
Rimski-Korsakov H., Rubio G., Lavado R.S. Potential nitrate losses under different agricultural practices in the pampas region. Argentina Agric. Water Manage. 2004, 65:83-94.
-
(2004)
Argentina Agric. Water Manage.
, vol.65
, pp. 83-94
-
-
Rimski-Korsakov, H.1
Rubio, G.2
Lavado, R.S.3
-
66
-
-
1542439192
-
Low ground cover filtering to improve reliability of NRI corn N status classification
-
Schleicher T.D., Bausch W.C., Delgado J.A. Low ground cover filtering to improve reliability of NRI corn N status classification. Trans. ASAE. 2003, 46:1707-1711.
-
(2003)
Trans. ASAE.
, vol.46
, pp. 1707-1711
-
-
Schleicher, T.D.1
Bausch, W.C.2
Delgado, J.A.3
-
67
-
-
0004140007
-
NTRM, a soil-crop simulation model for nitrogen, tillage, and crop residue management
-
Inf. Rep. 34-1.USDA-ARS Conserv
-
Shaffer, M.J. and W.E. Larson. 1987. NTRM, a soil-crop simulation model for nitrogen, tillage, and crop residue management. Inf. Rep. 34-1.USDA-ARS Conserv.
-
(1987)
-
-
Shaffer, M.J.1
Larson, W.E.2
-
68
-
-
0002959493
-
Field techniques for modeling nitrogen management
-
Elsevier Science B.V, A. Follett, (Ed.)
-
Shaffer M.J., Delgado J.A. Field techniques for modeling nitrogen management. Nitrogen in the environment: Sources, problems, and management 2001, 391-411. Elsevier Science B.V. 1st edition. A. Follett, (Ed.).
-
(2001)
Nitrogen in the environment: Sources, problems, and management
, pp. 391-411
-
-
Shaffer, M.J.1
Delgado, J.A.2
-
69
-
-
0036872535
-
Essentials of a national nitrate leaching index assessment tool
-
Shaffer M.J., Delgado J.A. Essentials of a national nitrate leaching index assessment tool. J. Soil Water Conserv. 2002, 57(6):327-335.
-
(2002)
J. Soil Water Conserv.
, vol.57
, Issue.6
, pp. 327-335
-
-
Shaffer, M.J.1
Delgado, J.A.2
-
70
-
-
85104290632
-
Nitrate leaching and economic analysis package (NLEAP): Model description and application
-
SSSA, Madison, WI, R.F. Follett, D.R. Keeney, R.M. Cruse (Eds.)
-
Shaffer M.J., Halvorson A.D., Pierce F.J. Nitrate leaching and economic analysis package (NLEAP): Model description and application. Managing nitrogen for groundwater quality and farm profitability 1991, 285-322. SSSA, Madison, WI. R.F. Follett, D.R. Keeney, R.M. Cruse (Eds.).
-
(1991)
Managing nitrogen for groundwater quality and farm profitability
, pp. 285-322
-
-
Shaffer, M.J.1
Halvorson, A.D.2
Pierce, F.J.3
-
71
-
-
0029416306
-
Identification and mitigation of nitrate leaching hot spots using NLEAP-GIS technology
-
Shaffer M.J., Wylie B.K., Hall M.D. Identification and mitigation of nitrate leaching hot spots using NLEAP-GIS technology. J. Contam. Hydrol. 1995, 20:253-263.
-
(1995)
J. Contam. Hydrol.
, vol.20
, pp. 253-263
-
-
Shaffer, M.J.1
Wylie, B.K.2
Hall, M.D.3
-
72
-
-
0004792788
-
-
USDA-ARS-GPRS, Fort Collins, CO
-
Shaffer M.J., Brodahl M.K., Delgado J.A. NLEAP version 1.20 1998, USDA-ARS-GPRS, Fort Collins, CO.
-
(1998)
NLEAP version 1.20
-
-
Shaffer, M.J.1
Brodahl, M.K.2
Delgado, J.A.3
-
73
-
-
0002677742
-
2O emissions
-
CRC Press, Boca Raton, FL, M.J. Shaffer, L. Ma, S. Hansen (Eds.)
-
2O emissions. Modeling carbon and nitrogen dynamics for soil management 2001, CRC Press, Boca Raton, FL. M.J. Shaffer, L. Ma, S. Hansen (Eds.).
-
(2001)
Modeling carbon and nitrogen dynamics for soil management
-
-
Shaffer, M.J.1
Lasnik, K.2
Ou, X.3
Flynn, R.4
-
74
-
-
0003579753
-
-
Boca Raton, FL, CRC Press, M.J. Shaffer, L. Ma, S. Hansen (Eds.)
-
Modeling carbon and nitrogen dynamics for soil management 2001, Boca Raton, FL, CRC Press. M.J. Shaffer, L. Ma, S. Hansen (Eds.).
-
(2001)
Modeling carbon and nitrogen dynamics for soil management
-
-
-
75
-
-
0003865669
-
Agricultural phosphorus and eutrophication
-
USDA-ARS No. ARS-149
-
Sharpley, A.N., T. Daniel, T. Sims, J. Lemunyon, R. Stevens, and R. Parry. 1999. Agricultural phosphorus and eutrophication. USDA-ARS No. ARS-149. 37 pp.
-
(1999)
, pp. 37
-
-
Sharpley, A.N.1
Daniel, T.2
Sims, T.3
Lemunyon, J.4
Stevens, R.5
Parry, R.6
-
76
-
-
0034947130
-
Innovative management of agricultural phosphorous to protect soil and water resources
-
Sharpley A.N., Kleinman P., McDowell R. Innovative management of agricultural phosphorous to protect soil and water resources. J. Comm. Soil Sci. Plant Anal. 2001, 32(7-8):1071-1100.
-
(2001)
J. Comm. Soil Sci. Plant Anal.
, vol.32
, Issue.7-8
, pp. 1071-1100
-
-
Sharpley, A.N.1
Kleinman, P.2
McDowell, R.3
-
77
-
-
0003092229
-
Assessing and managing agricultural nitrogen losses to the environment
-
Springer-Verlag, New York, B.A. Stewart (Ed.)
-
Smith S.J., Schepers J.S., Porter L.K. Assessing and managing agricultural nitrogen losses to the environment. Advances in soil science. 1990, 1-43. Springer-Verlag, New York. B.A. Stewart (Ed.).
-
(1990)
Advances in soil science.
, pp. 1-43
-
-
Smith, S.J.1
Schepers, J.S.2
Porter, L.K.3
-
78
-
-
17144366807
-
NLEAP water quality applications in Bulgaria
-
CRC Press, Boca Raton, FL, M.J. Shaffer. et al. (Ed.)
-
Stoichev D., Kercheva M., Stoicheva D. NLEAP water quality applications in Bulgaria. Modeling carbon and nitrogen dynamics for soil management 2001, 333-354. CRC Press, Boca Raton, FL. M.J. Shaffer. et al. (Ed.).
-
(2001)
Modeling carbon and nitrogen dynamics for soil management
, pp. 333-354
-
-
Stoichev, D.1
Kercheva, M.2
Stoicheva, D.3
-
79
-
-
0004202181
-
-
US Department of Agriculture (USDA), US Government Printing Office, Washington, DC
-
Agricultural statistics 1997, US Department of Agriculture (USDA), US Government Printing Office, Washington, DC.
-
(1997)
Agricultural statistics
-
-
-
80
-
-
0009616588
-
-
US Department of Agriculture-Soil Conservation Service (USDA-SCS), USDA-SCS, Washington, DC
-
Soil survey of Alamosa area, Colorado 1973, US Department of Agriculture-Soil Conservation Service (USDA-SCS), USDA-SCS, Washington, DC.
-
(1973)
Soil survey of Alamosa area, Colorado
-
-
-
81
-
-
0004126007
-
-
US Department of Agriculture-Soil Conservation Service (USDA-SCS), USDA-SCS, Washington, DC
-
National agronomy manual 1988, US Department of Agriculture-Soil Conservation Service (USDA-SCS), USDA-SCS, Washington, DC. 2nd edition.
-
(1988)
National agronomy manual
-
-
-
82
-
-
84884465378
-
-
US Environmental Protection Agency (USEPA), US Gov. Print. Office, Washington, DC
-
Federal register. 54 FR 22062, 22 May 1989, US Environmental Protection Agency (USEPA), US Gov. Print. Office, Washington, DC.
-
(1989)
Federal register. 54 FR 22062, 22 May
-
-
-
83
-
-
33845360260
-
Nitrate leaching index
-
Markel and Decker, New York, Rattan Lal (Ed.)
-
Van Es H.M., Delgado J.A. Nitrate leaching index. Encyclopedia soil science 2006, 1119-1121. Markel and Decker, New York. Rattan Lal (Ed.).
-
(2006)
Encyclopedia soil science
, pp. 1119-1121
-
-
Van Es, H.M.1
Delgado, J.A.2
-
84
-
-
0036871885
-
Management effects on nitrogen leaching and guidelines for a nitrogen leaching index in New York
-
Van Es H.M., Czymmek K.J., Ketterings Q.M. Management effects on nitrogen leaching and guidelines for a nitrogen leaching index in New York. J. Soil Water Conserv. 2002, 57:499-504.
-
(2002)
J. Soil Water Conserv.
, vol.57
, pp. 499-504
-
-
Van Es, H.M.1
Czymmek, K.J.2
Ketterings, Q.M.3
-
85
-
-
0003517169
-
-
Cornell University, Ithaca, NY
-
Wagenet R.J., Hutson J.L. LEACHM: Leaching estimation and chemistry model - a process based model of water and solute movement, transformations, plant uptake and chemical reactions in the unsaturated zone. Water Resour. Inst. 1989, Cornell University, Ithaca, NY.
-
(1989)
LEACHM: Leaching estimation and chemistry model - a process based model of water and solute movement, transformations, plant uptake and chemical reactions in the unsaturated zone. Water Resour. Inst.
-
-
Wagenet, R.J.1
Hutson, J.L.2
-
86
-
-
0005626227
-
-
Louisiana Agriculture, Spring, pp. 5-9
-
Walthall P.M., Brady W.D., Hutchinson R.L. Cotton production on the Macon Ridge 1996, Louisiana Agriculture, Spring, pp. 5-9.
-
(1996)
Cotton production on the Macon Ridge
-
-
Walthall, P.M.1
Brady, W.D.2
Hutchinson, R.L.3
-
87
-
-
0001375179
-
EPIC - A model for assessing the effects of erosion on soil productivity
-
Elsevier Scientific, New York, W.K. Lauenrroth (Ed.)
-
Williams J.R., Dyke P.T., Jones C.A. EPIC - A model for assessing the effects of erosion on soil productivity. Proc. Int. Conf. on state of the art in Ecol. modeling, 4th, Colorado State Univ. 24-28 May 1982 1983, 555-572. Elsevier Scientific, New York. W.K. Lauenrroth (Ed.).
-
(1983)
Proc. Int. Conf. on state of the art in Ecol. modeling, 4th, Colorado State Univ. 24-28 May 1982
, pp. 555-572
-
-
Williams, J.R.1
Dyke, P.T.2
Jones, C.A.3
-
88
-
-
33645977811
-
Nitrate leaching hazard index developed for irrigated agriculture
-
Wu L., Letey J., French C., Wood Y., Bikie D. Nitrate leaching hazard index developed for irrigated agriculture. J. Soil Water Conserv. 2005, 60:90A-95A.
-
(2005)
J. Soil Water Conserv.
, vol.60
-
-
Wu, L.1
Letey, J.2
French, C.3
Wood, Y.4
Bikie, D.5
-
89
-
-
0028161392
-
Predicting spatial distributions of nitrate leaching in northeastern Colorado
-
Wylie B.K., Shaffer M.J., Brodahl M.K., Dubois D., Wagner D.G. Predicting spatial distributions of nitrate leaching in northeastern Colorado. J. Soil Water Conserv. 1994, 49:288-293.
-
(1994)
J. Soil Water Conserv.
, vol.49
, pp. 288-293
-
-
Wylie, B.K.1
Shaffer, M.J.2
Brodahl, M.K.3
Dubois, D.4
Wagner, D.G.5
-
90
-
-
0032077740
-
Simulating the impact of management practices on nitrous oxide emissions
-
Xu C., Shaffer M.J., Al-kaisi M. Simulating the impact of management practices on nitrous oxide emissions. Soil Sci. Soc. Am. J. 1998, 62:736-742.
-
(1998)
Soil Sci. Soc. Am. J.
, vol.62
, pp. 736-742
-
-
Xu, C.1
Shaffer, M.J.2
Al-kaisi, M.3
-
91
-
-
84884431945
-
Centimeter-precision guidance of agricultural implements in the open field by means of real time kinematic DGPS
-
ASA, Madison, WI, R.P.C. Robert, H. Rust, W.E. Larson (Eds.)
-
Zuydam R.P. Centimeter-precision guidance of agricultural implements in the open field by means of real time kinematic DGPS. Proc. Int. Conf. Precision Agric. 4th 1999, 1367-1378. ASA, Madison, WI. R.P.C. Robert, H. Rust, W.E. Larson (Eds.).
-
(1999)
Proc. Int. Conf. Precision Agric. 4th
, pp. 1367-1378
-
-
Zuydam, R.P.1
|