000 00503nas a2200145Ia 4500
008 140319n1992 xxk |||gr||||Z||||||eng
020 _a0120007479
082 _a630
100 _aSparks, Donald L,
_eEditor.
245 0 _aAdvances in Agronomy Vol.47
_cDonald L. Sparks
_hBound Volumes
260 _aAmsterdam
_bAcademic Press Elseivier Sci.
_c1992
300 _a403.
653 _aAgronomy
942 _2ddc
_cBV
999 _c58944
_d58944