-
1
-
-
2942719066
-
On-the-go soil sensors for precision agriculture
-
Adamchuk, V. I., Hummel, J. W., Morgan, M. T., & Upadhyaya, S. K. (2004). On-the-go soil sensors for precision agriculture. Computers and Electronics in Agriculture, 44, 71-91.
-
(2004)
Computers and Electronics in Agriculture
, vol.44
, pp. 71-91
-
-
Adamchuk, V.I.1
Hummel, J.W.2
Morgan, M.T.3
Upadhyaya, S.K.4
-
2
-
-
79955531225
-
Reference strip series: Applying your nitrogen-rich and ramped calibration strips
-
Oklahoma Cooperative Extension Service. Accessed June 6, 2012 from
-
Arnall, D. B., Edwards, J. T., & Godsey, C. B. (2008). Reference strip series: Applying your nitrogen-rich and ramped calibration strips. Current Report CR-2255. Oklahoma Cooperative Extension Service. Accessed June 6, 2012 from http://pods. dasnr. okstate. edu/docushare/dsweb/Get/Document-5310/CR-2255web. pdf.
-
(2008)
Current Report CR-2255
-
-
Arnall, D.B.1
Edwards, J.T.2
Godsey, C.B.3
-
3
-
-
0000295269
-
The effects of uncertainty on optimal nitrogen applications
-
Babcock, B. A. (1992). The effects of uncertainty on optimal nitrogen applications. Review of Agricultural Economics, 14, 271-280.
-
(1992)
Review of Agricultural Economics
, vol.14
, pp. 271-280
-
-
Babcock, B.A.1
-
4
-
-
0031412248
-
Strategies for variable rate nitrogen fertilization in hummocky terrain
-
Beckie, H. J., Moulin, A. P., & Pennock, D. J. (1997). Strategies for variable rate nitrogen fertilization in hummocky terrain. Canadian Journal of Soil Science, 77, 589-595.
-
(1997)
Canadian Journal of Soil Science
, vol.77
, pp. 589-595
-
-
Beckie, H.J.1
Moulin, A.P.2
Pennock, D.J.3
-
5
-
-
0012731545
-
A strong test of the von Liebig hypothesis
-
Berck, P., Geoghegan, J., & Stohs, S. (2000). A strong test of the von Liebig hypothesis. American Journal of Agricultural Economics, 82, 948-955.
-
(2000)
American Journal of Agricultural Economics
, vol.82
, pp. 948-955
-
-
Berck, P.1
Geoghegan, J.2
Stohs, S.3
-
6
-
-
67651001786
-
Reconciling the von Liebig hypothesis and differentiable crop production functions
-
Berck, P., & Helfand, G. (1990). Reconciling the von Liebig hypothesis and differentiable crop production functions. American Journal of Agricultural Economics, 84, 985-996.
-
(1990)
American Journal of Agricultural Economics
, vol.84
, pp. 985-996
-
-
Berck, P.1
Helfand, G.2
-
7
-
-
62949109276
-
Economic feasibility of site-specific optical sensing for managing nitrogen fertilizer for growing wheat
-
Biermacher, J., Epplin, F. M., Brorsen, B. W., Solie, J. B., & Raun, W. R. (2009). Economic feasibility of site-specific optical sensing for managing nitrogen fertilizer for growing wheat. Precision Agriculture, 10, 213-230.
-
(2009)
Precision Agriculture
, vol.10
, pp. 213-230
-
-
Biermacher, J.1
Epplin, F.M.2
Brorsen, B.W.3
Solie, J.B.4
Raun, W.R.5
-
8
-
-
84865479072
-
Efficiency of pre-plant, topdress, and variable rate application of nitrogen in winter wheat
-
Boyer, C. N., Brorsen, B. W., Arnall, D. B., Solie, J. B., & Raun, W. R. (2012). Efficiency of pre-plant, topdress, and variable rate application of nitrogen in winter wheat. Journal of Plant Nutrition, 35, 1776-1790.
-
(2012)
Journal of Plant Nutrition
, vol.35
, pp. 1776-1790
-
-
Boyer, C.N.1
Brorsen, B.W.2
Arnall, D.B.3
Solie, J.B.4
Raun, W.R.5
-
9
-
-
79960055897
-
Profitability of variable rate nitrogen application in wheat production
-
Boyer, C. N., Brorsen, B. W., Solie, J. B., & Raun, W. R. (2011). Profitability of variable rate nitrogen application in wheat production. Precision Agriculture, 12, 473-487.
-
(2011)
Precision Agriculture
, vol.12
, pp. 473-487
-
-
Boyer, C.N.1
Brorsen, B.W.2
Solie, J.B.3
Raun, W.R.4
-
10
-
-
84863449718
-
Experimental designs for estimating plateau-type production functions and economically optimal input levels
-
Brorsen, B. W., & Richter, F. G. C. (2012). Experimental designs for estimating plateau-type production functions and economically optimal input levels. Journal of Productivity Analysis, 38, 45-52.
-
(2012)
Journal of Productivity Analysis
, vol.38
, pp. 45-52
-
-
Brorsen, B.W.1
Richter, F.G.C.2
-
11
-
-
0032030254
-
Opportunities for increased nitrogen-use efficiency from improved resource management in irrigated rice systems
-
Cassman, K. G., Peng, S., Olk, D. C., Ladha, J. K., Reichardt, W., Doberman, A., et al. (1998). Opportunities for increased nitrogen-use efficiency from improved resource management in irrigated rice systems. Field Crops Research, 56, 7-39.
-
(1998)
Field Crops Research
, vol.56
, pp. 7-39
-
-
Cassman, K.G.1
Peng, S.2
Olk, D.C.3
Ladha, J.K.4
Reichardt, W.5
Doberman, A.6
-
13
-
-
38949182340
-
Real-time measurement of soil attributes using on-the-go near infrared reflectance spectroscopy
-
Christy, C. D. (2008). Real-time measurement of soil attributes using on-the-go near infrared reflectance spectroscopy. Computers and Electronics in Agriculture, 61, 10-19.
-
(2008)
Computers and Electronics in Agriculture
, vol.61
, pp. 10-19
-
-
Christy, C.D.1
-
14
-
-
65549111282
-
Oklahoma farm and ranch custom rates, 2005-2006
-
Oklahoma Cooperative Extension Service. Accessed March 23, 2008 from
-
Doye, D., Sahs, R., & Kletke, D. (2006). Oklahoma farm and ranch custom rates, 2005-2006. Current Report CR-205. Oklahoma Cooperative Extension Service. Accessed March 23, 2008 from http://pods. dasnr. okstate. edu/docushare/dsweb/Get/Document-3087/CR-205_2005-6web. pdf.
-
(2006)
Current Report CR-205
-
-
Doye, D.1
Sahs, R.2
Kletke, D.3
-
15
-
-
2142801574
-
A potential integrated water quality strategy for the Mississippi River Basin and the Gulf of Mexico
-
Greenhalgh, S., & Faeth, P. (2001). A potential integrated water quality strategy for the Mississippi River Basin and the Gulf of Mexico. The Scientific World, 1, 976-983.
-
(2001)
The Scientific World
, vol.1
, pp. 976-983
-
-
Greenhalgh, S.1
Faeth, P.2
-
16
-
-
0036872533
-
Use of site-specific management zones to improve nitrogen management for precision agriculture
-
Khosla, R., Fleming, K., Delgado, J. A., Shaver, T. M., & Westfall, D. G. (2002). Use of site-specific management zones to improve nitrogen management for precision agriculture. Journal of Soil and Water Conservation, 57, 513-518.
-
(2002)
Journal of Soil and Water Conservation
, vol.57
, pp. 513-518
-
-
Khosla, R.1
Fleming, K.2
Delgado, J.A.3
Shaver, T.M.4
Westfall, D.G.5
-
17
-
-
84982355307
-
Growth stages in cereals: Illustration of the Feekes Scale
-
Large, E. C. (1954). Growth stages in cereals: Illustration of the Feekes Scale. Plant Pathology, 3, 128-129.
-
(1954)
Plant Pathology
, vol.3
, pp. 128-129
-
-
Large, E.C.1
-
18
-
-
13544271825
-
Combining field surveys, remote sensing, and regression trees to understand yield variations in an irrigated wheat landscape
-
Lobell, D. B., Ortiz-Monasterio, J. I., Asner, G. P., Naylor, R. L., & Falcon, W. P. (2005). Combining field surveys, remote sensing, and regression trees to understand yield variations in an irrigated wheat landscape. Agronomy Journal, 97, 241-249.
-
(2005)
Agronomy Journal
, vol.97
, pp. 241-249
-
-
Lobell, D.B.1
Ortiz-Monasterio, J.I.2
Asner, G.P.3
Naylor, R.L.4
Falcon, W.P.5
-
19
-
-
0842284602
-
Predicting post-anthesis N requirements of bread wheat with a Minolta SPAD Meter
-
Lopez-Bellido, R. J., Shepherd, C. E., & Barraclough, P. B. (2004). Predicting post-anthesis N requirements of bread wheat with a Minolta SPAD Meter. European Journal of Agronomy, 20, 313-320.
-
(2004)
European Journal of Agronomy
, vol.20
, pp. 313-320
-
-
Lopez-Bellido, R.J.1
Shepherd, C.E.2
Barraclough, P.B.3
-
20
-
-
0034953540
-
Nitrogen fertilization algorithm based on in season estimates of yield and plant nitrogen uptake
-
Lukina, E. V., Freeman, K. W., Wynn, K. J., Thomason, W. E., Mullen, R. W., Johnson, G. V., et al. (2001). Nitrogen fertilization algorithm based on in season estimates of yield and plant nitrogen uptake. Journal of Plant Nutrition, 24, 885-898.
-
(2001)
Journal of Plant Nutrition
, vol.24
, pp. 885-898
-
-
Lukina, E.V.1
Freeman, K.W.2
Wynn, K.J.3
Thomason, W.E.4
Mullen, R.W.5
Johnson, G.V.6
-
21
-
-
0043204259
-
Spatial and temporal variation in economically optimum nitrogen rate for corn
-
Mamo, M., Malzer, G. L., Mulla, D. J., Huggins, D. R., & Strock, J. (2003). Spatial and temporal variation in economically optimum nitrogen rate for corn. Agronomy Journal, 95, 958-964.
-
(2003)
Agronomy Journal
, vol.95
, pp. 958-964
-
-
Mamo, M.1
Malzer, G.L.2
Mulla, D.J.3
Huggins, D.R.4
Strock, J.5
-
22
-
-
0034968757
-
Reducing nitrogen loading to the Gulf of Mexico from the Mississippi River Basin: Strategies to counter a persistent ecological problem
-
Mitsch, W. J., Day, J. W., Jr, Gilliam, J. W., Groffman, P. M., Hey, D. L., Randall, G. W., et al. (2001). Reducing nitrogen loading to the Gulf of Mexico from the Mississippi River Basin: Strategies to counter a persistent ecological problem. Bioscience, 51, 373-388.
-
(2001)
Bioscience
, vol.51
, pp. 373-388
-
-
Mitsch, W.J.1
Day Jr., J.W.2
Gilliam, J.W.3
Groffman, P.M.4
Hey, D.L.5
Randall, G.W.6
-
23
-
-
0036256525
-
Optimal experimental designs for estimating model parameters, applied to yield response to nitrogen models
-
Monod, H., Makowski, D., Sahmoudi, M., & Wallach, D. (2002). Optimal experimental designs for estimating model parameters, applied to yield response to nitrogen models. Agronomie, 22, 229-238.
-
(2002)
Agronomie
, vol.22
, pp. 229-238
-
-
Monod, H.1
Makowski, D.2
Sahmoudi, M.3
Wallach, D.4
-
24
-
-
84876923622
-
-
Oklahoma Climatological Survey. Accessed June 21, 2012 from
-
Oklahoma Climatological Survey. (2012). Annual Precipitation History with 5-year Tendencies. Accessed June 21, 2012 fromhttp://climate. ok. gov/index. php/climate/climate_trends/precipitation_history_annual_statewide/CD00/prcp/Annual/oklahoma_south-central_u. s.
-
(2012)
Annual Precipitation History with 5-year Tendencies
-
-
-
27
-
-
0032804175
-
Improving nitrogen use efficiency for cereal production
-
Raun, W. R., & Johnson, G. V. (1999). Improving nitrogen use efficiency for cereal production. Agronomy Journal, 91, 357-363.
-
(1999)
Agronomy Journal
, vol.91
, pp. 357-363
-
-
Raun, W.R.1
Johnson, G.V.2
-
28
-
-
0035141024
-
In-season prediction of potential grain yield in winter wheat using canopy reflectance
-
Raun, W. R., Solie, J. B., Johnson, G. V., Stone, M. L., Lukina, E. V., Thomason, W. E., et al. (2001). In-season prediction of potential grain yield in winter wheat using canopy reflectance. Agronomy Journal, 93, 131-138.
-
(2001)
Agronomy Journal
, vol.93
, pp. 131-138
-
-
Raun, W.R.1
Solie, J.B.2
Johnson, G.V.3
Stone, M.L.4
Lukina, E.V.5
Thomason, W.E.6
-
29
-
-
0036320669
-
Improving nitrogen use efficiency in cereal grain production with optical sensing and variable rate application
-
Raun, W. R., Solie, J. B., Johnson, G. V., Stone, M. L., Mullen, R. W., Freeman, K. W., et al. (2002). Improving nitrogen use efficiency in cereal grain production with optical sensing and variable rate application. Agronomy Journal, 94, 815-820.
-
(2002)
Agronomy Journal
, vol.94
, pp. 815-820
-
-
Raun, W.R.1
Solie, J.B.2
Johnson, G.V.3
Stone, M.L.4
Mullen, R.W.5
Freeman, K.W.6
-
30
-
-
30744433591
-
Optical sensor-based algorithm for crop nitrogen fertilization
-
Raun, W. R., Solie, J. B., Stone, M. L., Martin, K. L., Freeman, K. W., Mullen, R. W., et al. (2005). Optical sensor-based algorithm for crop nitrogen fertilization. Communications in Soil Science and Plant Analysis, 36, 2759-2781.
-
(2005)
Communications in Soil Science and Plant Analysis
, vol.36
, pp. 2759-2781
-
-
Raun, W.R.1
Solie, J.B.2
Stone, M.L.3
Martin, K.L.4
Freeman, K.W.5
Mullen, R.W.6
-
31
-
-
47749098048
-
Ramp calibration strip technology for determining midseason nitrogen rates in corn and wheat
-
Raun, W. R., Solie, J. B., Taylor, R. K., Arnall, D. B., Mack, C. J., & Edmonds, D. E. (2008). Ramp calibration strip technology for determining midseason nitrogen rates in corn and wheat. Agronomy Journal, 100, 1088-1093.
-
(2008)
Agronomy Journal
, vol.100
, pp. 1088-1093
-
-
Raun, W.R.1
Solie, J.B.2
Taylor, R.K.3
Arnall, D.B.4
Mack, C.J.5
Edmonds, D.E.6
-
32
-
-
79953066740
-
The effect of parameter uncertainty on whole-field nitrogen recommendations from nitrogen-rich strips and ramped strips in winter wheat
-
Roberts, D. C., Brorsen, B. W., Solie, J. B., & Raun, W. R. (2011a). The effect of parameter uncertainty on whole-field nitrogen recommendations from nitrogen-rich strips and ramped strips in winter wheat. Agricultural Systems, 104, 307-314.
-
(2011)
Agricultural Systems
, vol.104
, pp. 307-314
-
-
Roberts, D.C.1
Brorsen, B.W.2
Solie, J.B.3
Raun, W.R.4
-
33
-
-
80052296773
-
Replicability of nitrogen recommendations from ramped calibration strips in winter wheat
-
Roberts, D. C., Brorsen, B. W., Taylor, R. K., Solie, J. B., & Raun, W. R. (2011b). Replicability of nitrogen recommendations from ramped calibration strips in winter wheat. Precision Agriculture, 12, 653-665.
-
(2011)
Precision Agriculture
, vol.12
, pp. 653-665
-
-
Roberts, D.C.1
Brorsen, B.W.2
Taylor, R.K.3
Solie, J.B.4
Raun, W.R.5
-
34
-
-
0013424883
-
Evaluating the returns to variable rate nitrogen application
-
Roberts, R. K., English, B. C., & Mahajanashetti, S. B. (2000). Evaluating the returns to variable rate nitrogen application. Journal of Agricultural and Applied Economics, 32, 133-143.
-
(2000)
Journal of Agricultural and Applied Economics
, vol.32
, pp. 133-143
-
-
Roberts, R.K.1
English, B.C.2
Mahajanashetti, S.B.3
-
35
-
-
79954598125
-
Too much of a good thing
-
doi:10.1038/472159a
-
Sutton, M. A., Oenema, O., Erisman, J. W., Leip, A., van Grinsven, H., & Winiwarter, W. (2011). Too much of a good thing. Nature,. doi: 10. 1038/472159a.
-
(2011)
Nature
-
-
Sutton, M.A.1
Oenema, O.2
Erisman, J.W.3
Leip, A.4
van Grinsven, H.5
Winiwarter, W.6
-
36
-
-
42149196025
-
Crop input response functions with stochastic plateaus
-
Tembo, G., Brorsen, B. W., Epplin, F. M., & Tostão, E. (2008). Crop input response functions with stochastic plateaus. American Journal of Agricultural Economics, 90, 424-437.
-
(2008)
American Journal of Agricultural Economics
, vol.90
, pp. 424-437
-
-
Tembo, G.1
Brorsen, B.W.2
Epplin, F.M.3
Tostão, E.4
-
37
-
-
0036451325
-
Within field variability in wheat grain yields over nine years in Oklahoma
-
Washmon, C. N., Solie, J. B., Raun, W. R., & Itenfisu, D. D. (2002). Within field variability in wheat grain yields over nine years in Oklahoma. Journal of Plant Nutrition, 25, 2655-2662.
-
(2002)
Journal of Plant Nutrition
, vol.25
, pp. 2655-2662
-
-
Washmon, C.N.1
Solie, J.B.2
Raun, W.R.3
Itenfisu, D.D.4
|