000 00305nam a2200097Ia 4500
100 _aInternational Potash Institute Switzerland
245 _aNutrient Balances & Fertilizer needs in Temperate Agriculture
260 _bInt Potash Inst, Switzerland
082 _aJ:243p1/N84/B19200
300 _app 360; 23*15
999 _c18109
_d18109