000 00416nam a2200145Ia 4500
008 220204s9999 xx 000 0 und d
082 _a631/635
_bADV.87
100 _aSparks, Donald L
245 0 _aAdvances in agronomy. V.87. 2005
260 _aSan Diego
_bElsevier Academic Press
_c2005
650 _aAntibiotic use
650 _aGlobal nitrogen consumption
650 _aIntegrated crop management
942 _cBK
999 _c42439
_d42439