00486nam a2200169Ia 4500 170901s1991 xx 000 0 und d 631.8309548 P12U Palaniappan, S.P Use of Potassium in Tamil Nadu Gurgaon Potash and Phosphate Institute of Canada 1991 108 Agriculture and related technologies Technology (Applied sciences) Potash Tamilnadu ddc BK 14270 14270 0 0 ddc 0 0 RAU RAU 2017-10-18 0 631.8309548 P12U 43231 2017-10-18 2017-10-18 BK