00608    a2200169   4500020001500000082001700015100002000032245012100052260008600173300001800259440002600277650003100303650001500334650003500349700003000384700002400414  a9556120653  a631.587bAHE  aAheeyar, M.M.M.  aThe application of micro irrigation technologies in the small farming sector in Sri Lankabpotential and constraints  aColombobHector Kobbekaduwa Argarian Research and  Training Institutec2005g2005  aix,52p.c29cm  aResearch study No.113  aCultivation and harvesting  aIrrigation  aSpecial methods of cultivation  aSamarasinha, G.G. de L.W.  aKumara, Sharmini K.