000 00304nam a2200121Ia 4500
008 140113s9999 xx 000 0 und d
082 _a631(020 P6.89
100 _a"Sparks, D. L., ed."
245 _aAdvances in Agronomy -vol.89
260 _a2006
_bElsevier
_cAmsterdam
300 _a344
942 _cBK
999 _c61443
_d61443