000			00306nam a2200133Ia 4500
082			_a630.72/NOR
100			_aNorman, A G., ed.
245			_aAdvances in agronomy, vol 10
260			_bAcademic Press Inc. _aNew York _c1958
300			_a547
650			_aagriculture
650			_aagronomy
942			_2ddc _cBK
999			_c839 _d839