000			00368nam a2200145Ia 4500
008			150321s9999 xx 000 0 und d
020			_a0120007274
080			_aR631(058)L5.27 _bBRA-A
245			_aAdvances in agronomy
260			_c1998 _aSan Diego _bAcademic Press
300	p		_avii, 380p.
650			_aAgronomy
700			_aSparks, Donald L.
942			_cBK _2udc
999			_c12645 _d12645