S283: Develop and Assess Precision Farming Technology and Its Economic and Environmental Impacts
Publications (Annual Report):
[2003]
[2003]
1. Grift, T.E., 2000 IT'S AUTOMATIC. Highlights of Agricultural Research 47-3. Alabama Agricultural Experiment Station, Auburn University, Alabama.2. Grift, T.E., 2000. Testing an Online Spread Pattern Determination Tool on a Broadcast Fertilizer Spreader. Presented at the ASAE 2000 Meeting, Paper No 3066. ASAE, 2950 Niles Road, St. Joseph, MI 49085-9659 USA.
3. Curtis, L.M., Burmester, C., Harkins, D., Norris, C., 2000. WISE WATERING: Cotton Irrigation Research Finding Ways to Quench Crop Thirsts. Highlights of Agricultural Research 47-2. Alabama Agricultural Experiment Station, Auburn University, Alabama.
4. Grift, T.E. 2001. Mass Flow Measurement of Granular Materials in Aerial Application, Part 1: Simulation and Modeling. Transactions of the ASAE 44(1):19-26.
5. Grift, T.E., J.T. Walker, and J.W. Hofstee. 2001, Mass Flow Measurement of Granular Materials in Aerial Application, Part 2: Experimental Model Validation. Transactions of the ASAE 44(1):27-34.
6. Hill, D.T., S.E. Taylor, and T.E. Grift. 2001. Simulation of Low Temperature Anaerobic Digestion of Dairy and Swine Manure. Bioresource Technology 78(2) 127-131.
7. Perez, J.F., S. Pettygrove, and R.E. Plant. 2002-2003. Testing suitability of SSURGO soil-unit definition and the EPIC model to reproduce within-field yield variability in a four-crop rotation field. Proceedings of the Sixth International Conference on Precision Agriculture, in press.
8. Horney, R.D., B. Taylor, D.S. Munk, B.A. Roberts, and R.E. Plant. 2002-2003. Development of site-specific management for reclamation of salt affected soil using EM38 and soil sample data. Proceedings of the Sixth International Conference on Precision Agriculture, in press.
9. Roel, A. and R.E. Plant. 2002-2003. Spatiotemporal analysis of rice yield variability in California. Proceedings of the Sixth International Conference on Precision Agriculture, in press.
10. Perez-Quezada, J., G.S. Pettygrove, and R.E. Plant. 2002-2003. Spatial-temporal analysis of yield and the influence of soil factors in two four-crop-rotation fields in the Sacramento Valley, California. Agronomy Journal, in press.
11. Plant, R.E. (2001). Site-Specific Management: The Application of Information Technology to Crop Production. Computers and Electronics in Agriculture 30: 9-29.
12. Gonzalez-Andujar, J.L., Plant, R.E. , and Fernandez-Quintanilla, C. (2001). Modeling the effect of farmers' decisions on the population dynamics of winter wild oat in an agricultural landscape. Weed Science 49:414-422.
13. Roel, A., Plant, R.E., Young, J.A., Pettygrove, G.S., Deng, J., and Williams, J.F. (2001). Interpreting yield patterns for California rice precision farm management. Proceedings of the Fitfth International Conference on Precision Agriculture. P.C. Robert, R.H. Rust, W.E. Larson, editors. CD.
14. Perez, J.F., Young, J.A., Jackson, L.F., Denison, R.F., Pettygrove, G.S., and Plant, R.E. (2001). Yield variability analysis in two four-crop rotation fields (1996-1999) in Sacramento Valley, CA. Proceedings of the Fitfth International Conference on Precision Agriculture. P.C. Robert, R.H. Rust, W.E. Larson, editors. CD.
15. Plant, R.E., Munk, D.S., Roberts, B.A., Vargas, R.N., Rains D.W., Travis, R.L., and Hutmacher, R.B. (2001). Application of remote sensing to strategic cotton management. Journal of Cotton Science 5:30-41.
16. Jacobsen, K.R., Grossman, Y.L., Hsieh, Y.L., Plant, R.E., Lalor, W.F., and Jernstedt, J.A. (2001). Neps, seed-coat fragments, and non-seed impurities in processed cotton. Journal of Cotton Science 5:53-67.
17. Horney, R. D., Taylor, B., Munk, D. S., Roberts, B. A., Plant, R. E., and Lesch, S. M. (2001). Development of site-specific management for reclamation of salt-affected soil utilizing preliminary EM-38 and soil core sample data. in Proceedings of the Beltwide Cotton Conferences (pp. 319-323). Memphis, TN: National Cotton Council.
18. Plant, R.E. and Vayssieres, M.P. 2000. Combining expert system and GIS technology to implement a state-transition model of oak woodlands. Computers and Electronics in Agriculture 27: 71-94.
19. Plant, R.E., Munk, D.S., Roberts, B.R. , Vargas, R.L., Rain, D.W., Travis, R.L., and Hutmacher, R.B. 2000. Relationships between remotely sensed reflectance data and cotton growth and yield. Transactions of the ASAE 43:535-546.
20. Plant, R.E., Pettygrove, G.S. and Reinert, W.R. 2000. Precision agriculture: crop production in the twenty-first century. California Agriculture 54(4): 66-71.
21. Vayssieres, M. and Plant, R. E. 2000. Classification trees: An alternative nonparametric approach for predicting species distributions. Journal of Vegetation Science 11: 679-694.
22. Plant, R.E. 2001 Site-Specific Management: The Application of Information Technology to Crop Production. Computers and Electronics in Agriculture(in press).
23. Greco, S.E., Plant, R.E., and Barrett, R. H. 2001. Geographic modeling of temporal variability in habitat quality of the yellow-billed cuckoo in the Sacramento River, Miles 196-219, California. Predicting Species Occurrences: Issues of Scale and Accuracy. J.M. Scott, P. Heglund, M. Morrison, B. Wall, F. Samson, and J. Haufler, eds. Island Press, Covello, CA.(in press).
24. Plant, R.E. M.P. Vayssieres, S.E. Greco, M.R. George, and T.E. Adams. 1999. A Qualitative Spatial Model of Hardwood Rangeland State-and-Transition Vegetation Dynamics. Journal of Range Management 52:50-58.
25. Plant, R.E. and M. Keeley. 1999. Relationships among final plant map indices in Acala cotton. Journal of Production Agriculture 12: 61-68.
26. Cavero, J., R.E. Plant, C. Shennan, D.B. Friedman, J.R. Williams, J. R. Kiniry, and V.W. Benson. 1999. Modeling nitrogen cycling in tomato-safflower and tomato-wheat rotations. Agricultural Systems 60: 123-135.
27. Plant, R.E. and D.S. Munk. 1999. Application of remote sensing to irrigation management in California cotton. Proc. Fourth International Conference on Precision Agriculture, St. Paul, Minnesota 1511-1522.
28. Pettygrove, G.S., S.K. Upadhyaya, M.G. Pelletier, T.K. Hartz, R.E. Plant and R.F. Denison. 1999. Tomato yield - color infrared photograph relationahips. Proc. Fourth International Conference on Precision Agriculture, St. Paul, Minnesota. 1483-1492.
29. Miller, R.O., S. Pettygrove, R.F. Denison, L.F. Jackson, M. Cahn, R. Plant and T. Kearney. 1999. Site-specific relationships between flag leaf nitrogen, SPAD meter values and grain protein in irrigated wheat. Proceedings of the Fourth International Conference on Precision Agriculture 113-122.
30. Plant, R.E. and D.S. Munk. 1999. Using infrared aerial photography to help plan defoliation. California Cotton Review 52: 3-5.
31. Plant, R.E., A. Mermer, G.S. Pettygrove, M.P. Vayssieres, J.A. Young, R.O. Miller, L.F. Jackson, R.F. Denison, and K. Phelps. 1999. Factors underlying grain yield spatial variability in three irrigated wheat fields. Transactions of the ASAE 42: 1187-1202.
32. Plant, R.E., D.S. Munk, B.R. Roberts, R.L. Vargas, D.W. Rains, R.L. Travis, and R.B. 2000. Hutmacher Relationships between remotely sensed reflectance data and cotton growth and yield. Transactions of the ASAE 42: (In press).
33. Plant, R.E. and Munk, D.S. Application of remote sensing to irrigation management in California cotton. Proc. Fourth International Conference on Precision Agriculture, St. Paul,.
34. Pettygrove, G.S., Upadhyaya, S.K., Pelletier, M.G., Hartz, T.K., Plant, R.E., and Denison, R.F. Tomato yield-color infrared photograph relationships. Proc. Fourth International Conference on Precision Agriculture, St. Paul, MN. (In press).
35. Miller, R.O., Pettygrove, S., Denison, R.F., Jackson, L.F., Cahn, M., Plant, R., Kearney, T. Site-specific relationships between flag leaf nitrogen, SPAD meter values and grain protein in irrigated wheat. Proc Intl Conf Prec Ag. (In press).
36. Kerby, T.A., Plant, R.E., Horrocks, R.D., and Hake, S.J. Environmental and cultivar effects on height-to-node ratio and growth rate in Acala cotton. Journal of Production Agriculture. (In press).
37. Plant, R.E. and Keeley, M. Relationships among final plant map indices in Acala cotton. Journal of Production Agriculture.
38. Vellidis, G, CD Perry, JS Durrence, DL Thomas, CK Kvien, TK Hamarita, and G. Rains. 2001. Thepeanut yield monitoring system. Transactions of the ASAE, 44(4):775-785.
39. Rains, G.C., D.L. Thomas 2001. Soil-Sampling Issues for Precision Management of Crop Production, University of Georgia, Athens, Ga. Extension Bulletin No. 1208.
40. Vellidis, G., G. Rains, and C.D. Perry. 2001. Yield monitoring technologies. Proceedings of Smart Farming II: Workshop on Automation for Agriculture, 19pp.
41. Rains, G.C., M. D'Alessandro, and W.J. Lewis. 2001. Identification and Detection of Volatile Compounds for Sensing Plant Stress, ASAE Paper No. 011069. St. Joseph, MI.: ASAE.
42. Manor, G. and R. L. Clark. 2001. Development of an instrumented subsoiler to map soil hard-pans and real-time control of subsoiler depth. ASAE Paper No. 011022, ASAE, St. Joseph, MI 49085.
43. Gan-mor, S. and R. L. Clark. 2001. DGPS-based automatic guidance implementation and economical analysis. ASAE Paper No. 011192, ASAE, St. Joseph, MI, 49085.
44. Yao, H, and R. L. Clark. 2001. Evaluation of Sub-Meter and 2 to 5 Meter Accuracy GPS receivers to Develop Digital Elevation Models. Precision Agriculture 2: 189-200.
45. Yao, H, and R. L. Clark. 2000. Development of topographic maps for precision farming with medium accuracy GPS receivers. Applied Engineering in Agriculture 16(6):629-636.
46. Kvien, C. N. Wells, G. Vellidis, D. Thomas, C. Perry, S. Pocknee, D. Kissel, and J.Durrence. 2000. Lesson learned in cotton from precision farming multidisciplinary research. Precision Agriculture. Accepted for publication.
47. Rains, G. and D. L. Thomas. 2000. Introduction to Precision Farming. UGA, Cooperative Extension Service Bulletin no. 1186. 25 pp.
48. Perry C. D., G. Vellidis, D. Thomas, J. Durrence, C. Kvien, T. Hamrita. 2000. PYMS -The peanut yield monitoring system. ASAE Technical Paper No. 00-1128. ASAE, St. Joseph, MI. # pp.
49. Vellidis, G., C.D. Perry, J.S. Durrence, D.L. Thomas, C.K. Kvien, T.K. Hamarita, and G.C. Rains. The peanut yield monitoring system. Transactions of the ASAE, In Review (2001).
50. Rains, G.C., T. Meiners, K. Takasu, D. Olson, J. Lewis, J. Tumlinson, Y. Cardoza. 2000. Development of a programmable whole-organism wasp sensor for monitoring crop conditions from volatile chemicals. ASAE Paper No. 003062 St. Josephs, MI: ASAE.
51. Rains, G.C., D.L. Thomas, CD Perry, and JS Durrence. 2000. Assessment of machine harvested pecan yield for applications to a pecan yield monitor. ASAE Paper No. 001129 St. Josephs, MI: ASAE.
52. Clark, R. L. and H. Yao. 2000. Development of topographic maps using L1-C/A code carrier smoothed GPS receivers. ASAE Paper No. 003060, ASAE, St. Joseph, MI.
53. Clark, R. L., D. E. Kissel, F. Chen, and W. Adkins. 2000. Mapping soil hardpans with the penetrometer and soil electrical conductivity. ASAE Paper No. 001042, ASAE, St. Joseph, MI.
54. Clark, R. L., D. E. Kissel, F. Chen, and W. Adkins. 2000. Data processing techniques for cotton yield data. ASAE, Paper No. 001089, ASAE, St. Joseph, MI.
55. Clark, R. L., D. Kissel, F. Chen, and W. Adkins. 2000. Mapping soil hardpans with the penetrometer and soil electrical conductivity. Oral paper presented at 5th Int. Conf. On Precision Ag., July 16-19, 2000.
56. Clark, R. L. and H. Yao. 2000. Development of topographic maps using L1-C/A code and L1-C/A code carrier smoothed GPS receivers. Poster paper presented at 5th Int. Conf. On Precision Ag., July 16-19, 2000.
57. Thomas, D. L., C. D. Perry, G. Vellidis, J. Durrence, L. Kutz, C. K. Kvien, B. Boydell, T. K. Hamrita. 1999. Development and implementation of a load cell yield monitor for peanuts. Applied Engineering in Agriculture 15(3): 211-216.
58. Durrence, J. S., D. L. Thomas, C. D. Perry, and G. Vellidis. 1999. Preliminary evaluation of commercial cotton yield monitors: the 1998 season in South Georgia. Proceedings of the 1999 Beltwide Cotton Conference, Orlando, FL.
59. Kvien, C., N. Wells, G. Vellidis, D. Thomas, C. Perry, S. Pocknee, D. Kissel, and J. Durrence. 1999. Lessons learned in cotton from precision farming multidisciplinary research. Precision Agriculture. Agronomy Abstracts, Salt Lake City, UT. American Society of Agronomy National Conference, November.
60. Wells, T., G. Vellidis, D. Thomas, G. Rains, S. Pocknee, C. Perry, C. Kvien, D. Kissel, J. Hook, V. Garrick, and K. Franke. 1999. Macro and micro opportunities to improve profitability. APRES. Savannah, GA. July.
61. Kvien, C., G. Vellidis, N. Wells, D. Thomas, G. Rains, S. Pocknee, C. Perry, D. Kissel, K. Franke, J. Durrence, and D. Betts. 1999. Improving efficiencies in agriculture through GPS referencing of resources ION (Intl Organization of Navigation) GPS. Nashville, Sept.
62. Vellidis, G., D. L. Thomas, N. Wells, C. K. Kvien. 1999. Cotton yield maps created from aerial photographs. ASAE Technical Paper No. 99-1139. ASAE, St. Joseph, MI. 8 pp. Thomas, D. 1999. Yield Monitoring. Cotton Physiology Today. Vol 9(2):18-19.
63. Clark, R. L. 1999. Soil strength variability within fields. Refereed publication in the proceedings of the 2nd European Conference on Precision Agriculture, July 11-15, Odense, Denmark.
64. Yao, H. and R. L. Clark. 1999. Evaluation of the potential to use sub-meter accuracy GPS receivers to develop topographic maps for precision farming. Refereed publication in the proceedings of the second European Conference on Precision Agriculture, July 11-15, Odense, Denmark.
65. Clark, R. L. and R. Lee. 1998. Development of topographic maps for precision farming with kinematic GPS. Transactions of the ASAE Vo. 41(4):909-916.
66. Durrence, J. S., C. D. Perry, G. Vellidis, D. L. Thomas and C. K. Kvien. 1998. Mapping peanut yield variability with an experimental load cell yield monitoring system. proceedings of the 1998 Conference on Precision Farming. Minneapolis, MN.
67. Durrence, J. S., C. D. Perry, G. Vellidis, D. L. Thomas, C. K. Kvien. 1998. Evaluation of commercially available cotton yield monitors in Georgia field conditions. ASAE Technical Paper No. 98-3106. ASAE, St. Joseph, MI. 11 pp.
68. Perry, C. D., J. S. Durrence, D. L. Thomas, G. Vellidis, C. J. Sobolik, and A. Dzubak. 1998. Evaluation of commercial cotton yield monitors in Georgia field conditions. Proceedings of the 1998 Conference on Precision Farming. Minneapolis, MN.
69. Perry, C. D., J. S. Durrence, G. Vellidis, D. L. Thomas, R. W. Hill, and C. S. Kvien. 1998. Field experiences with a prototype peanut yield monitor. ASAE Technical Paper No. 98-3095. ASAE, St. Joseph, MI. 10 pp.
70. Lobo, Leonard C., Okan K. Ersoy, and Gaines E. Miles. 2000. Multispectral Imaging, Image-Processing, and Classification for Agriculture. TR-ECE-00-5. School of Electrical and Computer Engineering. Purdue University. West Lafayette, IN. 47907. 212 p.
71. Lobo, Leonard C. 2000. Multispectral Imaging, Image-Processing and Classification for Agriculture. MSc Thesis. School of Electrical and Computer Engineering. Purdue University. West Lafayette, IN. 47907. 400 p.
72. Brost, John. 2001. Comparison of Interpolation Methods for Spatial Data Sets That are not Coincident. MSc Thesis. Agricultural and Biological Engineering Department. Purdue University. West Lafayette, IN. 47907. 122 p.
73.Brost, John. 2001. Comparison of Interpolation Methods for Spatial Data Sets That Are Not Coincident. Master of Science Thesis. Purdue University. 122 p.
74. Lobo, Leonard C., Okan K. Ersoy, and Gaines E. Miles. 2000. Multispectral Imaging, Image-Processing and Classification for Agriculture. School of Electrical and Computer Engineering, Purdue University, West Lafayette, Indiana. TR-ECE 00-5. 212 p.
75. Workman, S.R., S.F. Higgins, and S.A. Shearer. 2001. Monitoring subsurface drainage flow at remote locations. Applied Engineering in Agriculture. ASAE, St. Joseph, Michigan. 17(6): 783-786.
76. Fulton, J.P., S.A. Shearer, G. Chabra and S.F. Higgins. 2001. Field evaluation of a spinner disc variable-rate fertilizer applicator. Transactions of the ASAE. St. Joseph, Michigan. 44(5): 1071-1081.
77. Shearer, S.A., Fleming, R., T.G. Mueller, T.S. Stombaugh, and J.L. Taraba. 2001. Optimization of Animal Nutrient Application for Reduced Environmental Loading Using GIS. ASAE Paper No. 01-1014. Annual International Meeting, Sacramento Convention Center, Sacramento, California, July 29 through August 1.
78. Gandonou, J., T. S. Stombaugh, C. Dillon, and S.A. Shearer. 2001. Precision Agriculture: A Break-Even Acreage Analysis. ASAE Paper No. 01-1190. Annual International Meeting, Sacramento Convention Center, Sacramento, California, July 29 through August 1.
79. Stull, J., C. Dillon, S. Isaacs, and S.A. Shearer. 2001. Use of Geographically Referenced Grain Yield Data for Location and Enrollment of Vegetative Buffer Strips in the Conservation Reserve Program. ASAE Paper No. 01-1028. Annual International Meeting, Sacramento Convention Center, Sacramento, California, July 29 through August 1.
80. Thomasson, J.A., S.A. Shearer, R.L. Hoskinson, J.R. Wooten, R.K. Fink, J.P. Fulton, S.F. Higgins, T.G. Mueller. 2001. Decision Support System for Agriculture (DSS4Ag) Applied to Fertilization of Corn and Cotton. ASAE Paper No. 01-1018. St. Joseph, Mich.: ASAE.
81. Stombaugh, T.S. and S.A. Shearer. 2001. DGPS-based guidance of high-speed application equipment. ASAE Paper No. 01-1190. Annual International Meeting, Sacramento Convention Center, Sacramento, California, July 29 through August 1.
82. Burks, T.F., S.A. Shearer, J.P. Fulton, and C.J. Sobolik. 2001. Influence of Dynamically Varying Inflow Rates on Clean Grain Elevator Yield Monitor Accuracy. ASAE Paper No. 01-1182. Annual International Meeting, Sacramento Convention Center, Sacramento, California, July 29 through August 1.
83. Fulton, J.P., S.A. Shearer, T.S. Stombaugh, and S.G. Higgins. 2001. Pattern Assessment of a Spinner Disc Variable-Rate Fertilizer Applicator. ASAE Paper No. 01-1116. Annual International Meeting, Sacramento Convention Center, Sacramento, California, July 29 through August 1.
84. Wells, L.G., T.S. Stombaugh, and S.A. Shearer. 2001. Application and assessment of precision deep tillage. ASAE Paper No. 01-1032. Annual International Meeting, Sacramento Convention Center, Sacramento, California, July 29 through August 1.
85. Burks, T.F., S.A. Shearer, J.D. Green, and J.R. Heath. 2000. Influence of weed maturity levels on species classification using machine vision. Journal of Weed Science. Accepted for publication (in press).
86. Burks, T.F., S.A. Shearer, and F.A. Payne. 2000. Classification of Weed Species Color Texture Features and Discriminant Analysis. Transactions of ASAE. 43(2):441-448.
87. Burks, T.F., S.A. Shearer, R.S. Gates and K.D. Donohue. 2000. Backpropagation Neural Network Design and Evaluation for Classifying Weed Species using Color Image Texture Features. Transactions of ASAE. 43(4):1029-1037.
88. Stombaugh, T.S., and S.A. Shearer. 2000. Equipment technologies for precision agriculture. Manuscript accepted for publication in the Journal of Soil and Water Conservation 55(1): 6-11.
89. Burks, T.F., S.A. Shearer, and J.P. Fulton. 2000. Assessment of fertilizer application accuracy with the use of navigational aids. ASAE Paper No. 001154. Annual International Meeting, Midwest Express Center, Milwaukee, Wisconsin, July 9-12.
90. Shearer, S.A., T.G. Mueller, C.R. Dillon, J.P. Fulton, N. Hartsock and J. Stull. 2000. A GIS-Based simulation model for estimating the potential benefits of variable-rate fertilizer application. ASAE Paper No. 001105. Annual International Meeting, Milwaukee, July 9-12.
91. Stombaugh, T. S., S. A. Shearer. 1999. Equipment technologies for precision agriculture. Journal of Soil and Water Conservation. 55(1): 6-11.
92. Atherton, B. C., M. T. Morgan, S. A. Shearer, T. S. Stombaugh, A. D. Ward. 1999. Site-specific farming: a perspective on information needs, benefits, and limitations. Journal of Soil and Water Conservation 54(2):455-461.
93. Shearer, S.A., J.P. Fulton, S.G. McNeill, S.F. Higgins and T.G. Mueller. 1999. Elements of Precision Agriculture: Basics of Yield Monitor Installation and Operation. Extension Publication PA-1. Cooperative Extension Service, College of Agriculture, University of Kentucky.
94. Shearer, S.A., T.F. Burks, J.A. Thomasson, T.G. Mueller, J.P Fulton, S.F. Higgins, and S. Samson. 1999. Yield Prediction Using A Neural Network Classifier Trained Using Soil Landscape Features and Soil Fertility Data. ASAE Paper No. 993042. Annual International Meeting, Sheraton Centre, Toronto, Canada, July 18-21.
95. Fulton, J.P., S.A. Shearer, G. Chabra and S,G. Higgins. 1999. Field Evaluation of a Spinner Disc Variable-Rate Fertilizer Applicator. ASAE Paper No. 991101. Annual International Meeting, Sheraton Centre, Toronto, Canada, July 18-21.
96. Moore, Steven H., and Maurice C. Wolcott. 2001. Mapping and interpreting electrical conductivity in production fields. La. Agric. pp 25-27.
97. Bekele, A, R.G. Downer, M.C. Wolcott, W.H. Hudnall, and S.H. Moore. 2001. Comparison of spatial prediction methods for mapping soil potassium. Proceedings Conference on Remote Sensing. Denver, CO.
98. Moore, S.H., and M.C. Wolcott. 2000. Site-specific application of nitrogen on cotton. P. 1443-1444. Vol 2. In P. Dugger and D. Richter (ed.) 2000 Proceedings Beltwide Cotton Conferences. San Antonio, TX, 4-8 January 2000. Natl. Cotton Council. Memphis, TN.
99. Boquet, D.J., and S.H. Moore. 2000. Cotton nitrogen management for different soils and cropping systems. La. Plant Prot. Assoc. and La. Assoc. Agronomists. April 6-7, 2000. P. 40-41.1. Moore, Steven H., and Maurice C. Wolcott. 2000. Using yield maps to create management zones in field crops. La. Ag. pp 12-13.
100. Boquet, D.J., and S.H. Moore. 2000. Nitrogen management for different soils and cropping systems. P. 40-41. Vol. 1. In P. Dugger and D. Ritcher (ed.) Proceedings Beltwide Cotton Conferences. San Antonio, TX, 4-8 January 2000. Natl. Cotton Council, Memphis, TN.
101. Moore, S.H., and M.C. Wolcott. 2000. Site Specific application of nitrogen on cotton. P. 1443-1444. Vol. 2. In P. Dugger and D. Ritcher (ed.) Proceedings Beltwide Cotton Conferences. San Antonio, TX, 4-8 January 2000. Natl. Cotton Council. Memphis, TN.
102. Moore, S.H., and M.C. Wolcott. 2000. Using crop yield monitors for on-farm research. In Olaf Cristen and Frank Orden (ed.) Book of Abstracts, 3rd International Crop Science Congress, 2000, 17-22 Aug., 2000. Hamburg, Germany. P. 20.
103. Moore, S.H. 1999. Nitrogen effect on position of harvestable bolls in cotton. J. Plant Nutrition. 22:901-909.
104. Moore, Steven H., Amos I. Bechtel, Robert G. Downer, Maurice C. Wolcott and Michael L. Tarpley. 1999. Site-Specific application of fertilizer in soybeans. La. Agric. pp 13-14.
105. Moore, Steven H., Maurice C. Wolcott and Michael L. Tarpley. 1999. Mapping yield in soybean. La. Agric. pp 14-16.
106. Moore, S.H., and M.L. Tarpley. 1998. Mapping variability in soil and yield for a precision farming production system. Proc. La. Assoc. Agronomists. p. 27-30.
107. Thomasson, J. A., Wooten, J. R., Cox, M. S., Al-Rajehy, A., and Sui, R. 2001. Soil reflectance properties: ground-based versus remotely sensed measurements. ASAE Paper No. 011018. St. Joseph, Mich.: ASAE.
108. Thomasson, J. A., Shearer, S. A., Hoskinson, R. L., Wooten, J. R., Fink, R. K., Fulton, J. P., Higgins, S. F., and Mueller, T. G. 2001. Decision support system for agriculture (DSS4AG) applied to fertilization of corn and cotton. ASAE Paper No. 011018. St. Joseph, Mich.: ASAE.1.
109 Thomasson, J. A., Pennington, D. A., Pringle,H. C., Columbus,E. P., Thomson,S.J., and Byler, R. K.. 1999. Cotton mass flow measurement: experiments with two optical devices. Applied Engineering in Agriculture 15(1):11-17.
110. Wooten, J. R., Akins,D. C., Thomasson,J. A., Shearer,S. A. , and Pennington,D. A. 1999. Satellite imagery for crop stress and yield prediction: cotton in Mississippi. ASAE Paper No. 991133. St. Joseph, Mich.: ASAE.
111. Shearer, S. A., Thomasson, J. A., Burks,T. F., Mueller,T., Fulton,J. P., Gilbert, D., Higgins,S. G.. 1999. Yield prediction using a neural network classifier trained using soil landscape features and soil fertility data. ASAE Paper No. 993041. St. Joseph, Mich.: ASAE.
112. Asim, Mohammad. "Economics of wheat yield variability for Oklahoma farmers using satellite images". Oklahoma State University, PhD Dissertation, December, 2000.
113. Asim, Mohammad, Harry Mapp, and John Solie. "Using Satellite Images for Precision Farming Decisions in Wheat Production." J. Agri. & Appl. Econ. 31,2(August 2000).
114. Asim, Mohammad. "Economics of Wheat Yield Variability for Oklahoma Farmers Using Satellite Images." Ph.D. dissertation, Oklahoma State University, 2000.
115. LaRuffa, J.M., W.R. Raun, S.B. Phillips, M.L. Stone and G.V. Johnson. 2001. Optimum field element size for maximum yields in winter wheat using variable nitrogen rates. J. Plant Nutr. 24:313-325.
116. Lukina, E.V., K.W. Freeman, K.J. Wynn, W.E. Thomason, R.W. Mullen, A.R. Klatt, G.V. Johnson, R.L. Elliott, M.L. Stone, J.B. Solie, and W.R. Raun. 2001. Nitrogen fertilization optimization algorithm based on in-season estimates of yield and plant nitrogen uptake. J. Plant Nutr. 24:885-898.
117. Raun, W.R. G.V. Johnson, M.L. Stone, J.B. Solie, E.V. Lukina, W.e. Thomason and J.S. Schepers. 2001. In-season prediction of potential grain yield in winter wheat using canopy reflectance. Agron. J. 93:131-138.
118. LaRuffa, J.M., W.R. Raun, S.B. Phillips, M.L. Stone, J.B. Solie and G.V. Johnson. 2001. Optimum field element size for maximum yields in winter wheat using variable rates. J. Plant Nutr. 24:313-325.
119. Bell, G.D., D.L. Martin, R.M. Kuzmic, M.L. Stone, and J.B. Solie. 2000. Herbicide tolerance of two cold-resistant bermudagrass cultivars determined by visual assessment and vehicle-mounted optical sensing. Weed Tech. 14:635-641.
120. Freeland, R.S., R.E. Yoder, J.T. Ammons, and D.J. Inman. 2001. Subsurface imaging of dynamic waterborne contaminant flow using ground-penetrating radar. ASAE Paper and Poster. Paper No. 00-3100. July 29 - August 1, ASAE Meeting, Sacramento, CA.
121. Freeland, R.S., R.E. Yoder, and J.T. Ammons. 2001. Subsurface Mapping of Loessial Soils using Ground-penetrating Radar. Paper No. 01-TN100. ASAE Annual State Section Meeting. May 17-18, 2001. Combined KY and TN Section. Cumberland Falls State Park, Corbin, Kentucky, USA.
122. Inman, D.J., R.S. Freeland, R.E. Yoder, J.T. Ammons, and L.L. Leonard. 2001. Evaluating GPR and EMI for morphological studies of loessial soils. Soil Science. 166(9):622-630.
123. Leonard, L.L. 2001. Rapid Subsurface Imaging with Mobile Field Systems using Electromagnetic Induction and Ground-penetrating Radar.
124. Yoder, R.E., R.S. Freeland, J.T. Ammons, and L.L. Leonard. 2001. Mapping agricultural fields with GPR and EMI to identify offsite movement of agrochemicals. Journal of Applied Geophysics. Elsevier Science. 47 (2001) 251-259.
125. Roberts, R.K., and B.C. English. 2001 "Evaluating the Returns to Variable Rate Nitrogen Application." Abstract in Agricultural and Natural Resource Economics, Social Science Electronic Publishing, Inc., April 2001, http://papers.ssrn.com/paper.taf?abstract id=244630.
126. English, B.C., J.A. Larson, R.K. Roberts. 2001. "Precision Farming Technology Adoption in Tennessee Counties: A Logit Analysis." Journal of Agricultural and Applied Economics 33(2001):abstract forthcoming.
127. Roberts, R.K., B.C. English, and J.A. Larson. 2001. "Location of Cotton Production Relative to Precision Farming Technology Use in Tennessee." Proceedings of the 2001 Beltwide Cotton Conferences 1(2001):292-293.
128. English, B.C., and R.K. Roberts. 2001. "Findings from a Focus Group of Precision Farming Technology Adopters." Proceedings of the 2001 Beltwide Cotton Conferences 1(2001):291-292.
129. McDaniel, C.B., 2001. Evaluation of soybean yield variation for sites in Tennessee with landscape and soil classification using GPS/GIS technologies. Master of Science Thesis. The University of Tennessee, Knoxville.1. Roberts, R.K., B.C. English, and S.B. Mahajanashetti. "Evaluating the Returns to Variable Rate Nitrogen Application." Journal of Agricultural and Applied Economics 32(2000):133-143.
130. Branson, J. L., J. T. Ammons, R. S. Freeland, L. L. Leonard, V. C. Stevens, D. S. Walker, and R. E. Yoder. 2000. Application of non-intrusive imaging in mapping perched water on reclaimed lands. ASAE Paper 00TN105. Presented and distributed at 2000 Tennessee ASAE State Section Meeting, Martin, TN. May 23, 2000.
131.Yoder, R. E., R. S. Freeland, J. T. Ammons, L. L. Leonard. 2000. Mapping agricultural fields with GPR and EMI to predict offsite movement of agrochemicals. Proceedings of Eighth International Conference on Ground Penetrating Radar (GPR 2000). Gold Coast in Queensland, Australia, May 23-26.
132. L. L. Leonard, R. S. Freeland, R. E. Yoder, and J. T. Ammons . 2000. Non-Intrusive Mapping of Subsurface Hydrological Features Beneath Agricultural Production Fields Using Vehicle-Mounted Instrumentation. IN: Proceedings from The Tenth Annual Tennessee Water Resources Symposium. Tennessee Section of the American Water Resources Association. Montgomery Bell State Park, Burns, TN. April 10-12, p. (1B):19-27.
133. Wilkerson, J.B., F.H. Moody. 2000. Tennessee Cotton Yield Measurement System - Field Evaluation of Commercial Implementation. 2000 Proceeding of the Beltwide Cotton Conference, January 4-9, 2000. p. 408.
134. Moody, F.H., J.B. Wilkerson, W.E. Hart, and J.E. Goodwin. 2000. Non-Intrusive Flow Rate Sensor for Harvester and Gin Applications. 2000 Proceeding of the Beltwide Cotton Conference, January 4-9, 2000. p. 410-415.
135. Mahajanashetti, S.B., B.C. English, and R.K. Roberts., Spatial Break-Even Variability for Custom Hired Variable Rate Technology Adoption., Department of Agricultural Economics and Rural Sociology, Tennessee Agricultural Experiment Station, Staff Paper SP99-08, 1999.
136. Roberts, R.K., English, B.C., S.B. Mahajanashetti., "Economic Evaluation of Variable Rate Nitrogen Application on Cotton.", In (P. Dugger and D. Richter, eds.) 1999 Proceedings Beltwide Cotton Conferences, Orlando, FL, 1:20., January 3-7, 1999.
137. English, B.C., R.K. Roberts, D.E. Sleigh, S.B. Mahajanashetti., Spatial Break-Even Analysis of Variable Rate Potassium Application Technology on Cotton: An Application on a Soybean-Cotton Field in Western Tennessee., In (P. Dugger and D. Richter, eds.) 1999 Proceedings Beltwide Cotton Conferences, Orlando, FL, 1:31-32., January 3-7, 1999.
138. Roberts, R.K., B.C. English, and S.B. Mahajanashetti., Hypothetical Example of Evaluating Economic Benefits and Costs of Precision Farming., Journal of Agricultural and Applied Economics 81:(abstract forthcoming)., 1999.
139. Mahajanashetti, S.B., B.C. English, and R.K. Roberts, Economic and Environmental Benefits of Variable Rate Application of Nitrogen to Corn Fields: Role of Variability and Weather., American Journal of Agricultural Economics 1999:81:(abstract forthcoming).
140. English, B.C. and R.K. Roberts., Does Variable Rate Input Application Pay?, Cotton Grower Plus 1999:14:3:12-13., 1999.
141. Freeland, R. S., J. D. Bouldin, R. E. Yoder, D. D. Tyler, and J. T. Ammons. 1999. Use of Ground-Penetrating Radar to Map Soil Features that Influence Water Content. IN: Engineering Principles For Conservation Cropping Systems. ISBN: 1-58161-392-X. Southern Cooperative Series #392. February 1999. Directors of the Southern Agricultural Experiment Stations.
142. Leonard, L. L., R. S. Freeland, R. E. Yoder, J. B. Wilkerson, J. T. Ammons, and D. D. Tyler. 1999. Predicting water movement on Tennessee Coastal Plains using electromagnetic induction and ground-penetrating radar. ASAE Paper No. 993177. Presented and distributed at the 1999 ASAE Annual International Meeting. Sheraton Centre Hotel. Toronto, Ontario Canada. July 18-21, 1999.
143. Freeland R. S., J. B. Wilkerson, R. E. Yoder, and J. T. Adamson. 1999. Applications of non-intrusive imaging to precision agriculture. ASAE Paper No. 99TN101. Presented and distributed at the 1999 ASAE Tennessee State Section Meeting. Ellington Agricultural Center. Nashville, Tennessee. May 17-18, 1999.
144. English, B. C., R. K. Roberts, and S. B. Mahajanashetti. 1998, Spatial break-even variability for variable rate technology adoption. In 4Th International Conference on Precision Farming, Proceedings. July 19-22. St. Paul, MN.
145. Wilkerson, J. B., R. Sui, W. E. Hart, and D. D. Howard. 1998. Development of variable- rate nitrogen applicator based on spectral reflectance characteristics of cotton plants. p. 439-443. In Proceedings Beltwide Cotton Conferences. San Diego, CA. 5 Jan-9 Jan, 1998. Natl, Cotton Council, Memphis, TN.
146. Marek, T.H. 2000. Field Day Report-2000, North Plains Reserach Field.
147. Rosenthal. W., W.L. Harman, E. Wang, and B. Sheng. 2001. Arroyo Colorado River Nutrient Losses: An investigation of residue management through conservation tillage to reduce nutrient losses. BRC REPORT No. 01-32.
148. T.H. Marek. 1999. North Plains Research Field Day, Etter, Texas.
149. TORBERT, H.A., PRIOR, S.A. and REEVES, D.W. 1999. Land management effects on nitrogen and carbon cycling in an Ultisol.Comm. Soil Sci. and Plant Anal. 30(9&10):1345-1359.
150. REICOSKY, D.C., REEVES, D.W., PRIOR, S.A.....and RAPER, R.L. 1998. Effects of residue management and controlled traffic on tillage-induced CO2 loss. Soil and Tillage Res. (acpt. 6/30/99).
151. RAPER, R.L., WASHINGTON, B.H. and JARRELL, J.D. 1999. A tractor-mounted multiple-prove soil cone penetrometer. Applied Engineering in Agriculture 15(4):287.290.
152. RAPER, R.L. 1999. Subsoiling consideration for site-specific tillage. ASAE Paper No. 99-1058. ASAE, ST. Joseph, MI. 13 pp.
153. BAUER, P.J. and REEVES, D.W. 1999. A comparison of winter cereal species and planting dates as residue cover for cotton grown with conservation tillage. (in press).
154. MULLINS, G.L., REEVES, D.W. and SCHWAB, E.B. 1999. Effect of soil pH,...on the yield of white lupin. Proc. 9th Int'l Lupin Conf., Germany, June 20-24, 1999. (in press).
155. DELANEY, D.P., MONKS, C.D., REEVES, D. W.,... and.... 1999. Planting dates and pop. for UNR cotton... Proc.Beltwide Cotton Conf. January 3-7, 1999. Orlando, FL. Vol. 2, pp.1278-1279.
156. FAULKNER, S.M., WOOD, C.W., REEVES, D.W., RAPER, R.L. and .... 1999. Phosphorus redistribution via tillage in nutrient overloaded soils. Sou.Br. of ASA, No. 26, p. 7.
157. PRIOR, S.A., REEVES, D.W., ROGERS, H.H., TORBERT, H.A. and DUGAS, W.A. 1999 Effects of elevated atmospheric CO2.... GCTE Conf. University of Reading, UK. September 1999. (in press).
158. ASHFORD, D.L., REEVES, D.W., PATTERSON, M.G....and... 1999. Roller vs herbicides: an alternative kill method for cover crops. Agronomy Abstracts. (in press).
159. REEVES, D.W. and BAUER, P.J. 1999. Tillage systems and nitrogen management for ultra-narrow row cotton. Agronomy Abstracts. (in press).
160. PRIOR, S.A., ROGERS, H.H., REEVES, D.W. and TORBERT, H.A. 1999. Effects of elevated atmospheric CO2 on agroecosystems: soil physical properties. Agronomy Abstracats. (in press).
161. RAPER, R.L., REEVES, D.W. and WAY, T.R. 1999. Recompaction by traffic of a completely disrupted coastal plain soil. Southern Cooperative Series Bul. #392. ISBN 1-58161-392-X.
162. CAKIR, E., JOHNSON, C.E., RAPER, R.L. and SCHAFER, R.L. 1999.The mechanaics of cutting plant residues on a rigid surface. Sou. Cooperative Series Bul. #392, ISBN 1-58161-392-X.
163. CAKIR, E., JOHNSON, C.E., RAPER, R.L. and SCHAFER, R.L. 1999. The mechanics of cutting plant residues on a soil surface. Sou. Cooperative Series Bul. #392, ISBN 1-58161-392-X.
164. RAPER, R.L., REEVES, D.W. and E.C. Burt. Using in-row subsoiling to minimize soil compaction caused by traffic. Journal of Cotton Digest 2(3):130-135. http://www.jcotsci.org/ 1998.
165. MULLINS, G. L., ALLEY, S. E. and REEVES, D. W. 1998. Tropical maize response to nitrogen and starter fertilizer under strip and conventional tillage systems. Soil & Tillage Res. 45:1-15.
166. RAPER, R.L., REEVES, D.W. and BURMESTER, C.H. 1998. Cotton yield response and energy requirements of matching tillage depths to root-impedin ers. ASAE Paper No. 981112. ASAE, St. Joseph, MI. 17 pp.
167. REEVES, D. W., BAUER, P. J., MONKS, C. D. and... 1998. Ultra-narrow row cotton: tillage, cover crops, and nitrogen. Proc. Beltwide Cotton Conf., January 5-9, 1998. Vol. 1 pp. 623. National Cotton Council.
168. RAPER, R. L., REEVES, D. W.and... 1998. Developing conservation tillage systems for cotton in the Tennessee Valley: in-row tillage and cover crop effects. Proc. Beltwide Cotton Conf., January 5-9, 1998. Vol. 1:621-623.
169. HUBBS, M. D., REEVES, D. W. Reeves and... 1998. Measuring soil quality on the "Old Rotation". Proc. 21st Annual Southern Conservation Tillage Conf.for Sustainable Agriculture, July 15-17, 1998. pp. 52-54.
170. RAPER, R.L.and... 1998. Spatial variation of the depth of root-restricting rs in Northern Mississippi. Proc. First Int. Conf. Geospatial Information in Agriculture and Forestry. June 1-5, 1998.
171. SCHWAB, E. B., REEVES,D. W.,...and RAPER, R. L. 1998. Tillage options for cotton grown in the Tennessee Valley: effects on soil water and soil strength. Southern Branch, American Society of Agronomy, No. 25, p. 6.
172. NOFFSINGER, S. L., REEVES, D. W., SCHWAB, R. L., PETERSON, C. M., MOSJIDIS, S. and VAN SANTEN, E. 1998. Partitioning and potential of three winter-type white lupin cultivars. Agronomy Abstracts, p. 95.
173. BAUER, P. J., REEVES, D.W. and JOHNSON, R. M. 1998. Residue management and N effects on cotton grown in 19-cm rows. Agronomy Abstracts, p. 108.
174. REEVES, D. W. 1998. Conservation tillage lessons learned from South America applied to the Southern U.S. Agronomy Abstracts, p. 276.
175. MOTTA, A. C. V., REEVES, D. W. and EDWARDS, J. H. 1998. Chemical indicators of soil quality as influenced by tillage, crop rotation, and poultry litter applications. Agronomy Abstracts, p. 277.
176. TORBERT, H. A., PRIOR, S. A. and REEVES, D. W. 1998. Land management effects on C sequestration in an Ultisol. Agronomy Abstracts, p. 291.
177. BAUER, P. J., REEVES, D. W. and JOHNSON, R. M. 1998. Tillage, cover crop, and N effects on cotton grown in 19-cm row widths. Proc. World Cotton Conference, Athens, Greece, Sept. 1998.
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