000 00543nas a2200157Ia 4500
008 140319n1992 xxu |||gr||||Z||||||eng
020 _a0120007487
082 _a630
100 _aSparks, D L,
_eEditor.
245 0 _aAdvances in Agronomy Vol.48
_cD. L. Sparks
_hBound Volumes
260 _aSan Diego
_bAcademic Press Inc
_c1992
300 _a313.
653 _aAgriculture. & related technologies
653 _aAgronomy
942 _2ddc
_cBV
999 _c58945
_d58945