00551     2200169   4500001002100000035002000021245015200041110003500193260005000228300002000278084001100298082001100309650002500320650001400345650001300359990000900372INLIS000000000005944  a0010-1021000778  aPotassium in The Agricultural Systems of the Humid TropicsbProceedings of the 19th Colloqium of the International Potash Institute Held in Bangkok  aInternational Potash Institute  aBangkokbInternational Potash Institutec1985  a405p;cill;23cm  a631.84  a631.84  aAGRICULTURAL SYSTEMS  aPOTASSIUM  aTROPICS.  a5244