000 00509nam a2200145Ia 45e0
008 140319n ne |||gr||||Z||||||eng
020 _a012007711
082 _a630
100 _aSparks, Donald L,
_eAuthor.,
245 0 _aAdvances in Agronomy Vol.71
_cDonald L. Sparks
_hTextual Documents
260 _aAmsterdam:
_bAcademic Press Elseivier Sci.,
_c2001.
300 _a300.
653 _aAgronomy
942 _2ddc
_cTXT
999 _c7895
_d7895