000 00345 a2200145 4500
020 _a9780123748201
082 _a630
_bADV
090 _c29060
_d50743
100 _aSparks, Donald L.
_eed.
245 _aAdvances in agronomy
260 _aSan Diego
_bAcademic Press
_c2009
_g2009
300 _aix,272p.
_c23cm
650 _aAgronomy
942 _cSR
999 _c55631
_d55631