00583 2200229 4500001002100000005001500021035002000036008004100056245004900097100002300146260005100169300003500220084001400255082000800269650001000277650001100287650001600298020000600314250000600320990001600326990001100342INLIS00000000000387920231116113852 a0010-0621000165231116 g 0 eng 1 aCrop growth and culture /cRoger L. Mitchell aMITCHELL, Roger L. aIowa :bThe Iowa State University Press,c1970 aviii, 349 p. :bill. ;c24 cm. a633 MIT c a633 4aCROPS 4aGROWTH 4aCULTIVATION a- a- a173/KA/2021 a564/77