000 00310nam a2200121Ia 4500
008 140113s9999 xx 000 0 und d
082 _a631(02) P1.72
100 _a"Sparks, D. L., ed."
245 _aAdvances in Agronomy -vol. 72
260 _a2001
_bAcademic Press
_cSan Diago
300 _a202
942 _cBK
999 _c61330
_d61330