000 002950000a22001450004500
060 _a100
082 _a631.8 COL
100 _aCollings, G H
245 _aCommercial fertilizers
260 _aMc graw hill books
260 _c1955
300 _a617
650 _aFertilizers
942 _cBK
999 _c220984
_d220984