References
- Burger , K.C. 1962 . Micronutrient deficiencies 1n the United States . J. Agr. Food Chem. , 10 : 178 – 181 .
- Barnette , R.M. , Camp , J. P. , Warner , J. D. and Goll , O. E. 1936 . The use of zinc sulphate under corn and other field crops . Florida Agric. Exp. Stn. Bull. , : 292
- Wear , J.I. and Sommer , A. L. 1948 . Acid‐extractable zinc of soils in relation to the ocurrence of zinc deficiency in corn: a method of analysis . Soil Sc1. Soc. Amer. Proc. , 12 : 143 – 149 .
- Minton , N.A. , Parker , M. B. and Sumner , D. R. 1985 . Nematode control related to Fusarium wilt in soybean and root rot and zinc deficiency in corn . J. Nematology , 17 : 314 – 321 .
- Junus , M.A. and Cox , F. R. 1987 . A zinc soil test calibration based upon Mehlich 3 extractable zinc, pH, and cation exchange capacity . Soll Sci. Soc. Amer. J. , 51 : 678 – 683 .
- Schnappinger , M.G. Jr. , Martens , D. C. , Hawkins , G. W. , Amos , D. F. and McCant , G. D. 1972 . Response of corn to residual and applied zinc as ZnSO4 and Zn‐EDTA 1n field investigations . Agron. J. , 64 : 64 – 66 .
- Seatz , L.F. and Jurinak , J. J. 1957 . “ Zinc and soil fertility ” . In Yearbook of Agric Edited by: Stefferud , Alfred . 115 – 121 .
- Alley , M.H. , Martens , D. C. , Schnappinger , M. G. Jr. and Hawkins , G. W. 1972 . Field calibration of soil tests for available zinc . Soil Sc1. Soc. Amer. Proc. , 36 : 621 – 624 .
- Mehlich , A. 1953 . Determination of P, Ca, Mg, K, Na, and NH4 , North Carolina Soil Test Division . Mimeo.
- Mehlich , A. 1984 . Mehlich 3 soil test extractant: A modification of Mehlich 2 extractant . Commun. Soil Sci. Plant Anal. , 15 : 1409 – 1416 .
- Parker , M.B. , Gaines , T. P. , Plank , C. O. , Jones , J. B. Jr. , Walker , M. E. , Bosweil , F. C. and Dowler , C. C. 1988 . The effects of limestone on corn, soybeans, and peanuts grown on a Tifton soil at various intervals for seventeen years . University of Georgia Agric. Exp. Stn. Bull. , : 373 (in press).
- SAS Institute . 1982 . Statistical Analysis System , Cary , NC : SAS Institute, Inc. .
- Draper , N.R. and Smith , H. 1981 . Applied regression analysis. , 2nd ed. , 1 – 69 . New York , NY : John Wiley and Sons .
- Krantz , B.A. and Melsted , S. W. 1964 . “ Nutrient deficiencies 1n corn, sorghums, and small grains ” . In Hunger signs 1n crops , Edited by: Sprague , H. B. New York , NY : David McKay Co. .
- Contribution from the University of Georgia Agricultural Experiment Stations.
- Professor, Agronomy Department, Georgia Station, Griffin, GA 30223–1797, Associate Professor (Emeritus) and Research Chemist, Agronomy Department, Coastal Plain Station, Tifton, GA 31793–0748, respectively.