Magnesium and Calcium Requirements of the Tobacco Crop'
نویسندگان
چکیده
By W. W. GARNER, Principal Physiologist in Charge^ J. E. MCMURTREY, JR., Associate Physiologist^ J. D. BOWLING, JR., Assistant Biochemist^ Office of Tobacco and Plant Nutrition, Bureau of Plant Industry, United States Department of Agriculture, and E. G. Moss, Senior Agronomist, Office of Tobacco and Plant Nutrition, Bureau of Plant Industry, United States Department of Agriculture, and Assistant Director, Tobacco Branch Station, North Carolina Department of Agriculture
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