000			00367nam a2200145Ia 4500
082			_a631.482/COL
100			_aCollings, Gilbert H
245			_aCommercial fertilizers: their sources and use
260			_bTata McGraw-Hill Publishing Company Limited _aBombay _c1955
300			_a617
650			_aFertilizers
650			_aManures
901			_a223
942			_2ddc _cBK
999			_c200 _d200