00392nam a2200133Ia 4500008004100000082002500041100001900066245006200085260002600147300001000173600001700183600003300200650002500233140224s9999    xx            000 0 und d  a631.83.001.5(540) M8  aTandon, H.L.S.  aPotassium: research and agricultural production in India/  aNew DelhibFDCOc1988  a144p.  aSekhon, G.S.  aH.L.S.Tandon and G.S.Sekhon.  aFertilizer,Potassium