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Hildebrand, P.E. 1984. "Modified stability analysis of farmer managed, on-farm trials." Agronomy Journal, 76: 271-274.
Hildebrand, P.E. 1988. Technology diffusion in farming systems research and extension. HortScience 23(3):488-490.
Hildebrand, P.E. 1990. Modified stability analysis and on-farm research to breed specific adaptability for ecological diversity. In: Kang, M.S. Genotype-by-environment interaction and plant breeding. Louisiana State University. pp.169-180.
Hildebrand, P. E., and F. Poey. 1985. On-farm agronomic trials in farming systems research and extension. Lynn Rienner Publ, Inc., Bolder, Colorado. 162 pp.
Hill, J. 1975. "Genotype-environment interactions a challenge for plant breeding." Journal of Agricultural Science, 85: 477-493.
Lockeretz, W. 1987. Establishing the proper role for on-farm research. Amer. J. Alternative Agr. 2(3):132-136.
McCullagh, P. and Nelder, J.A. 1989. Generalized linear models. Chapman and Hall, New York.
McLean, R.A. 1989. "An introduction to general linear models." in applications of mixed models in agriculture and related disciplines. Southern Cooperative Series Bulletin No. 343, pp. 9-38. Louisiana Agricultural Experiment Station, Baton Rouge.
Mead, R. 1988. The Design of experiments: statistical principles for practical application. Cambridge University Press, Cambridge, UK.
Norman, D. W. 1980. Farming systems approach: relevance for the small farmer. Rural Devel. Paper No. 5, Dept. Agr. Economics, Michigan State Univ., East Lansing, Michigan.
Plucknett, D. L., and N. J. H. Smith. 1986. Historical perspectives on multiple cropping. Ch. 2 in: Multiple Cropping Systems, C. A. Francis (editor). Macmillan Publ. Co., Inc., New York. pp. 20-39
Rhoades, R. 1989. The role of farmers in the creation of agricultural technology. Ch. 1.1 in: Farmer first: Farmer innovation and agricultural research, R. Chambers, A. Pacey, and L. A. Thrupp, editors. Intermed. Technoi. Publ., London. pp. 3-9.
Rzewnicki, P. E., R. Thompson, G. W. Lesoing, R. W. Elmore, C. A. Francis,A. M. Parkhurst, and R.
S. Moomaw. 1988. On-farm experiment designs and implications for locating research sites. Amer. J. Alternative Ag.r 3:168-173.
Saeed, M., C. A. Francis, and-J. F. Rajewski. 1984. Maturity effects on genotype x environment interactions in grain sorghum. Agron. J. 76:55-58.
Shapiro, C. A., W. L. Kranz, and A. M. Parkhurst. 1989. Comparison of harvest techniques for corn field demonstration. Amer. J. Alternative AGr. 4:59-64.
Shapiro, C. A., A. M. Parkhurst, and W. L Kranz. 1990. Update on the statistical implications of experimental units for on-farm trials. Agron. Abstr. p. 30.