00474    a2200145   4500082001700000100002100017245007200038260006500110300001700175440003900192650003500231650001600266650001500282650003100297  a631.587bCHA  aChambers, Robert  a Water management and paddy production in the dry zone of Sri Lanka  aColombobAgrarian Research and Traning Institutec1975g1975  ax,71p.c30cm  aOccasional Publication Series No.8  aSpecial Methods of Cultivation  aAgriculture  aIrrigation  aCultivation and Harvesting