Optimization of water use for field crop production in the upper midwest
By: P. M. Walker, M. D. Thorne, E. C. Benham and W. D. Goetsch.
Contributors: Thorne, M. D.; Benham, E. C; Goetsch, W. D
Publisher: s.n
Published: 1981
Place of publication: S.l
Notes: 13