Kipps, Michael Smith, Production of field crops: a textbook of agronomy / [by] M. S. Kipps. - 6th ed. - New York, McGraw-Hill [1970] - x, 790 p. illus., maps. Fifth ed. by T. K. Wolfe and M. S. Kipps. Subjects--Topical Terms: Field crops.Agronomy LC Class. No.: SB185.K56 1970