000			00361nam a2200145Ia 4500
008			210101s2002 xx 000 0 eng d
020			_a9780120007932
082			_a630 S 26 A
100			_aSparks, Donald L., ed.
245		0	_aAdvances in Agronomy, Vol. 75-80
260			_aLondan _bAcademic _c2002
300			_a251,271
650			_aAgronomy
942			_2ddc _cBK
999			_c428 _d428