Cooperative studies on the effects of height of ridge, nitrogen supply, and time of harvest on yield and flesh color of the Porto Rico sweetpotato / by J.B. Edmond ... [et al.].
|Other Authors:||Edmond, J. B. 1896-|
Washington, D.C. : U.S. Dept. of Agriculture, 1950.
Sweet potatoes > Harvesting time.
40 p. ;
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- Full viewv.832(1950) (original from University of Illinois)