Micronutrients in agriculture : proceedings of a symposium held at Muscle Shoals, Alabama, April 20-22, 1971, and co-sponsored by the Tennessee Valley Authority and the Soil Science of America - Mortvedt, J. J.; Dinauer, Richard C.; Soil Science Society of America; Tennessee Valley Authority (Madison, Wis. : Soil Science Society of America, 1972)
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Keywords: Trace elements in agriculture -- Congresses; Trace elements in nutrition -- Congresses