000 00325nam a2200133Ia 4500
008 160316s1972 xxu||||| |||| 00| 0 eng d
020 _a
100 _aHarold D. Hughes
245 _aCrop Production
250 _a1st
260 _aNEW YORK
_bMACMILLAN PUBLISHING CO.
_c1972
300 _a627
700 _aDarrel S. Metcafe
_a
999 _c14744
_d14744