Utilization of the boundary line approach in the development of soil nutrient norms for soybean production

Cummings R. W., 1971, Fertilizer Technology and Use, 1

Plank C. O., 1984, Lime and fertilizer recommendations based on soil tests for all crops grown 1n Georgia (code book)

Cope J. T., 1981, Soil test fertilizer recommendations for Alabama crops

Donohue S. J., 1979, Guide to computer programmed soil test recommendations 1n Virginia

Perkins H. F., 1976, Georgia Agric. Expt. Station.

10.1080/00103627709366738

10.1080/00103628509367652

Sumner M. E., 1987, Soil Testing: Sampling, Correlation, Calibration, and Interpretation

Beaufils E. R., 1956, Analyse des Plantes et Problemes des fumures minerales, 360

10.2134/agronj1976.00021962006800020028x

Dumenil D., 1948, Soil Sci. Soc. Am. Proc., 13, 335, 10.2136/sssaj1949.036159950013000C0060x

Prevot , P. and Ollagnier , M. 1961.Plant Analysis and Fertilizer Problems, Edited by: Reuther , W. 257–277. Washington, D. C.: Sponsored by American Potash Institute, Inc. Publication No. 8

Reich R. C., 1981, Agron. J., 73, 90, 10.2134/agronj1981.00021962007300010021x

Beaufils E. R., 1971, Fert. Soc. South African J., 1, 1

Webb R. A., 1972, J. Hort. Sci., 47, 309, 10.1080/00221589.1972.11514472

Beaufils E. R., 1973, Univ. of Natal Soil Sci. Bull., 1, 130

Beauflis E. R., 1976, Proc. South African Sug. Tech. Assoc., 50, 188

Sumner M. E., 1975, Proc. South African Sug. Tech. Assoc., 49, 137

10.1080/00103627809366812

Southern Cooperative Series, 1984, Southern Region Agric. Expt. Stn. Bull., 190

Soil Survey Staff, 1975, Soil Taxonomy. A basic system of soil classification for making and interpreting soil surveys

10.1080/00103627909366885

Barber Stanley A., 1984, Soil nutrient b1oavailability: A mechanistic approach

Howell R. W., 1964, Agron. J., 56, 233, 10.2134/agronj1964.00021962005600020034x

Kamprath E. J., 1971, Soil Crop Sci. Soc. Fla. Proc., 31, 200

10.2136/sssaj1968.03615995003200010018x

10.1017/S0021859600013587

Bohn H. L., 1985, Soil Chemistry

Fox R. L., 1981, Chemistry in the soil environment, 223

10.1080/00103628609367711