000 00282nam a22001217a 4500
020 _a978-0-12-407685-3
082 _a630.685 SPA
100 _aSparks, Donald L
245 _aAdvances in agronomy V. 121
260 _aNewyork
_bAcademic Press
_c2013
300 _a529
942 _cBK
999 _c225947
_d225947