000			00615nam a22002057a 4500
999			_c236 _d236
005			20190716155723.0
008			130223b xxu||||| |||| 00| 0 eng d
020			_a
050			_aS633 .C6 1955 _b0366
082			_2S633.C6 1955
100			_aCollings, Gilbert H.
245			_aCommercial Fertilizers : their socurces and use/ _btheir socurces and use _cCollings, Gilbert H.
250			_a5th ed.
260			_aNew York: _bMcGraw-Hill Book Company, _c1955.
300			_axi,617:p
500			_aIncludes references and index
521			_aIncludes Index
650			_aCommercial fertilizers
942			_2lcc _cBK