000 003950000a22001570004500
060 _a100
082 _a633 WOL
100 _aWolfe T K, Kipps M S
245 _aProduction of field crops: a textbook of agronomy
250 _a3
260 _aLondon, Mc GRaw- Hill Book Company Inc
260 _c1959
300 _a653
650 _aField crops/crop production/crop rotation
942 _cBK
999 _c217505
_d217505