Multiple cropping : proceedings of a symposium sponsored by Divisions A - 6, S- 4, S- 6, A- 3, A- 4 and C- 3 ... - Papendick, R. I.; Sanchez, P. A. (Pedro A.), 1940-; Triplett, G. B. (Grover Brow), 1930-; American Society of Agronomy; Crop Science Society of America; Soil Science Society of America (Madison, Wis. : American Society of Agronomy, 1976)
Includes bibliographical references.
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Keywords: Double cropping -- Congresses; Cropping system -- Congresses