00704 a2200205 4500 9290901365 631.587 DAY 22086 34666 Dayaratne, M.H.S. A review of alternative strategies for improving farmer-managed irrigation system in Sri Lanka Colombo International Irrigation Management Institute 1991 1991 ix,91p. 21cm IIMI country paper-Sri Lanka No.7 Specific techniques, apparatus, equipment, materials Irrigation Special methods of cultivation Operations subsequent to harvesting Cultivation and harvesting L 49494 49494 0 0 0 0 LEN MKDL MKDL LEN 2009-08-11 1 631.587DAY 52431 2018-10-26 00:00:00 2018-10-12 0.00 2016-10-31 L