00437    a2200133   4500082001900000100002500019245004200044260006600086300001700152440004700169650003300216650002600249650002800275  a333.91317bARI  aAriyabandu, R.De.S.   aSeasonal reportb1983/84 maha season   aColombobAgrarian Research and Training Institutec1987g1987  av,28p.c29cm  aGal Oya water management research project   aEconomics of land and energy  aWater for irrigations  aOther natural resources