000 00391nam a2200157Ia 4500
008 220204s9999 xx 000 0 und d
082 _a631/635
_bADV.1
245 0 _aAdvances in agronomy. V 01
260 _aNew York
_bAcademic
_c1949
650 _aAgronomy
650 _aFertilizers
650 _aSoil microorganism
650 _aSoil phosphorus
650 _aWeed control
942 _cBK
999 _c19417
_d19417