000 00340nam a2200133Ia 4500
008 140224s9999 xx 000 0 und d
100 _aSparks, Donald L.,ed.
245 _aAdvances in agronomy
260 _aAmsterdam
_bAcademic Press
_c2003
300 _av78, p.
600 _aEdited Donald L. Sparks
650 _aAgronomy
942 _cBK
999 _c91007
_d91007