000 00296nam a2200121Ia 4500
008 170101s2013 xx 000 0 und d
082 _a630 SPA
100 _aSparks D.L.
245 0 _aAdvances in Agronomy Vol. 121
260 _aAmsterdam
_bElsevier
_c2013
300 _a529p
942 _2ddc
_cB
999 _c1537866
_d1537866