000 00449nam a2200193Ia 4500
008 210210b1948 xxu||||| |||| 00| 0 eng d
041 _aeng
082 _a580/146
100 _aHUTCHISON (Wolfe)
245 _aProduction of field crops
260 _aNew York
_bMcGraw-Hill Book Company Inc.
_c1948
650 _aProduction
650 _aof
650 _afield
650 _acrops
690 _aBotany
700 _aKIPPS
906 _a010406
999 _c138174
_d138174