na INLIS000000000001678 20210430103941 210430||||||||| | ||| |||| || | 0813803772 010-0421001678 en 631.54 631.54 MIT c MITCHELL, Roger L. Crop growth and culture Cet. 6 Iowa The Iowa State University Press 1979 viii, 349 hlm.: ill.; 24 cm. PERTANIAN