000 00297nam a2200121Ia 4500
008 161118s2016 xx 000 0 und d
082 _a630.58 SPA-A
100 _aSparks Donald L.
245 0 _aAdvances in Agronomy Vol: 84
260 _aAmsterdam
_bElsevier
_c2004
300 _a318
942 _2ddc
999 _c33461
_d33461