000 00445nam a2200145Ia 4500
008 130223s9999 xx 000 0 und d
080 _a631.81:631.584
245 _aFertilizer use under multiple cropping systems: Report of an expert consultation
260 _aRome
260 _bFood and Agriculture Organization of the United Nations
260 _c1982
440 _aNo. 5; FAO Fertilizer and Plan
901 _pS37342
942 _cB
_2udc
999 _c122663
_d122663