00452    a2200109   4500082001600000100001900016245012500035260008600160300001700246650002500263650005400288  a631.83bPET  aPetiyagoda, U.  aUse of potash fertilizer in agriculture in Sri Lankaba report based on studies under a cida - funded research programme  aColombobNatural Resources, Energy &  Sciences Authority of Sri Lankac1995g1995  av,40p.c29cm  aPOTASSIUM FERTILIZES  aFERTILIZERS, SOIL CONDITIONERS, GROWTH REGULATORS