05151cas a2200409 a 4500 20260818212516.0 110920s1987 th uu|m rtt 0| a1eng d .b10568359 AIT Thesis no. AE-87-49 Giri, Khadka Resource mobilization, water distribution and fertility studies in a large farmer-managed irrigation system in Nepal Bangkok : Asian Institute of Technology, 1987 153 p. Thesis ; no. AE-87-49 A thesis submitted in partial fulfillment of the requirements for the degree of Master of Science, School of Environment, Resources and Development Thesis (M.Sc.) - Asian Institute of Technology, 1987 The system under study was found primarily geared for resource mobilization particularly labour force. Nature of the river source and the extent of resource requirement are the factors determining the size of the need-based organization. As a result, a new main canal construction a nd maintenance committee was formed by merging the three sub-systems. Increased number of irrigators (membership) 1 resource mobilization, change in the structure of the organization over a period of time justified the expansion of the canal. The members are dynamic since they are continuously improving, adapting, and expanding. These systems are management-labour-intensive. Thus technical deficiencies are primarily compensated for by intensive management practices backed up by simple to complex organizations. The rules of the Deswar was the impetus to the organization for resource mobilization. The main problems were washing away of temporary diversions made of brushes-wood-stone ,breaching of canals during the flood period resulting in recurrent water supply interruptions. Excessive loss of water, inability to raise water level during minimum flow period (i. e winter) from the river due to highly permeable nature of the temporary diversions are the causes of seasonality of the system. The success of the system was due to the "ownership" feeling of the members and local initiative and full farmers participation and co-operation during the time of operation and maintenance. Based on chemical composition of the young rice plants, the deficiencies of nitrogen and phosphorus were found to be the constraints to achieve higher yields in the command area. Influence of rainfall on the rise of ground water table resulted into water logging problems in low lying areas, especially in the middle portion of the system. At the tail end of the system the ground water table is quite below compared to that at the head and middle reaches of the system. The same trend was also found in daily ponding water depth in paddy fields. Distribution of water rights was on the basis of common understanding among the system leaders based on approximation of the command areas and households of the various sub systems. Gravity flow allowing continuous water supply is the method of water distribution and application. Water is distributed by means of temporary diversions and flow is regulated by decreasing and increasing the crest height of the weirs according to the needs of supply of water based on the available amount of water in the canal. The largest number of fines imposed to the village of the tail end ( i . e . Go1aurilis strong 1ys up porting the argument that the tai1 end of the system suffers the lack of water supply during low flow season, and water logging problems the high supply of water because of closing the outlets at the upper reaches of the system. Therefore, the tail e nd fails to contribute its share to the resource mobilization to the system for repair and maintenance. On the other hand the organization has no consequence to give excuse to the problems in order to maintain the equality among the irrigators. Irrigation farming Nepal Nielsen, Jens Moller, Chairperson Mizutani, Masakazu, Examination Committee Paudyal, Guna N., Examination Committee DAAD (German Academic Exchange Service), Scholarship Donor Asian Institute of Technology. Thesis ; no. AE-87-49 Full-Text http://203.159.5.9/ait-thesis/detail.php?q=B19139 .b10568359 mnait s 240409 2 951012 m a s 0 mnait mnait mnarc 20 40 Barcode : 30050003002812 CREATED : 1994-05-18 RECORD # : i10718345 LPATRON : 0 LCHKIN : - # RENEWALS : 0 # OVERDUE : 0 IUSE3 : 0 TOT CHKOUT : 0 TOT RENEW : 0 Barcode : 30050003002846 CREATED : 1994-05-18 RECORD # : i10718357 LPATRON : 1014404 LCHKIN : 2008-08-28 # RENEWALS : 0 # OVERDUE : 0 IUSE3 : 0 TOT CHKOUT : 3 TOT RENEW : 0 Barcode : 30050120300610 CREATED : 2016-05-26 RECORD # : i12995897 LPATRON : 0 LCHKIN : - # RENEWALS : 0 # OVERDUE : 0 IUSE3 : 0 TOT CHKOUT : 0 TOT RENEW : 0 101182 101182 0 0 0 0 MAIN MAIN mnait 2026-08-18 0 AIT Thesis no. AE-87-49 30050003002812 2026-08-18 21:25:16 1 2026-08-18 20 0 0 0 0 MAIN MAIN mnait 2026-08-18 0 AIT Thesis no. AE-87-49 30050003002846 2026-08-18 21:25:17 2 2026-08-18 20 0 0 0 0 MAIN MAIN mnarc 2026-08-18 0 AIT Thesis no. AE-87-49 30050120300610 2026-08-18 21:25:17 2026-08-18 40