Factors affecting time of planting soybeans in the southern states
Hartwig, E.E.
Factors affecting time of planting soybeans in the southern states - Washington 1954 - 1-13 p. - Planting, Soybeans United States Department of Agriculture. Circular No. 943 .
Factors affecting time of planting soybeans in the southern states - Washington 1954 - 1-13 p. - Planting, Soybeans United States Department of Agriculture. Circular No. 943 .