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