000			00312nam a22001337a 4500
003			OSt
008			240809b |||||||| |||| 00| 0 eng d
082			_a631.8 _bN42S
100			_aHalvin,John L.
245			_aSoil Fertility & Fertilizers on Management
260			_aPHI _c2012
300			_a515
942			_2ddc _cBK
999			_c43723 _d43723