00628    a2200169   4500020001500000082001700015100002200032245009900054260007100153300001800224440003800242650005700280650001500337650003500352650004000387650003100427  a9290901365  a631.587bDAY  aDayaratne, M.H.S.  aA review of alternative strategies for improving farmer-managed irrigation system in Sri Lanka  aColombobInternational Irrigation Management Institutec1991g1991  aix,91p.c21cm  aIIMI country paper-Sri Lanka No.7  aSpecific techniques, apparatus, equipment, materials  aIrrigation  aSpecial methods of cultivation  aOperations subsequent to harvesting  aCultivation and harvesting