Mjelde, J.W., J.T. Cothren, M.E. Rister, F.M. Hons, C.G. Coffman, C.R. Shumway, and R.G.
Lemon. “Integrating Data from Various Field Experiments: The Case of Corn in Texas.”
Journal of Production Agriculture 4(1991):139-147.
Nicholson, W. Microeconomic Theory: Basic Principles and Extensions, 9th ed. Mason, Ohio:
South-Western/Thomson Learning, 2004.
O’Neal, M.R., J.R. Frankenberger, D.R. Ess, and J.M. Lowenberg-DeBoer. “Impact of Spatial
Precipitation Variability on Profitability of Site-Specific Nitrogen Management Based on
Crop Simulation.” Paper No. 001014 presented at the 2000 ASAE Annual International
Meeting, Milwaukee, WI, July 8-12, 2000.
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.
Roberts, R.K., B.C. English, and D.E. Sleigh. “Precision Farming Services in Tennessee Results
of a 1999 Survey of Precision Farming Service Providers.” Tennessee Agricultural
Experiment Station, Department of Agricultural Economics, Research Report 00-06, 2000.
Roberts, R.K., B.C. English, J.A. Larson, R.L. Cochran, W.R. Goodman, S.L. Larkin, M.C.
Marra, S.W. Martin, W.D. Shurley, and J.M. Reeves. “Adoption of Site-Specific
Information and Variable Rate Technologies in Cotton Precision Farming.” Journal of
Agricultural and Applied Economics 36(2004):143-158.
Roberts, R.K., S.B. Mahajanashetti, B.C. English, J.A. Larson, and D.D. Tyler. “Variable Rate
Nitrogen Application on Corn Fields: The Role of Spatial Variability and Weather.”
Journal of Agricultural and Applied Economics 34(2002):111-129.
Savoy, H.J., Jr., and D. Joines. “Lime and Fertilizer Recommendations for the Various Crops of
Tennessee.” The University of Tennessee Institute of Agriculture, Agricultural Extension
Service, P&SS Info No. 185, 1998.
Schlegel, A.J. and J.L. Havlin. “Crop Response to Long-term Nitrogen and Phosphorous
Fertilization.” Journal of Production Agriculture 8(1995):181-185.
Snyder, C.J. “An Economic Analysis of Variable-Rate Nitrogen Management Using Precision
Farming Methods.” Ph.D. Dissertation. Kansas State University, 1996.
Swinton, S.M., and J. Lowenberg-DeBoer. “Evaluating the Profitability of Site-Specific
Farming.” Journal of Production Agriculture 11(1998):439-446.
VanEck, W.A., and C.W. Collier, Jr. “Sampling Soils.” West Virginia University Extension
Service. Available on line at: http://www.caf.wvu.edu/~forage/3201.htm. Published
September 1995 (Accessed January 13, 2005).
13