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008			090708s2008 th uu|m rtt 0| a1eng d
035			_a.b12063848
099		9	_aAIT Thesis no.AE-08-04
100	1		_aGicana, Dolores Mae N.
245	1	0	_aOptimization of farming systems integration with farm ponds for moisture conservation under rainfed conditions : _ba case study in Northeast Thailand
260			_aPathum Thani, Thailand : _bAsian Institute of Technology, _c2008
300			_a138 p. : _bill.
490	1		_aThesis ; _vno. AE-08-04
500			_aA thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering in Agricultural Systems and Engineering, School of Environment, Resources and Development
502			_aThesis (M.Eng.) - Asian Institute of Technology, 2008
520			_aA survey of farms with and without farm ponds in integrated crop{u2013}aquaculture sub-systems was undertaken in three study sites in Khon Kaen, Kalasin and Maha Sarkham in the Northeast of Thailand, a region known as one of the typical rain-fed rice areas with tropical wet: dry climate. Concrete evidence in the effectiveness of the farm ponds in the Northeast of Thailand has been presented. The case of the NE clearly indicates the development of rainfed into ir rigated landscape, improvement of the seasonal yield, the various sub-systems that can be derived leading to profitability and sustainability in the farm. The size of farm ponds in the three sites was estimated to be significantly smaller but has been considered by the farmers to have significantly changed their farming options. Increasing the size of the farm pond allows shifting from nearly total rice sub- system to a kind of vegetable sub-system following the different existing crop combination and aquaculture to attain the maximum profit during the wet and dry seasons. Results from the LP model obtained for four options proposed were compared with existing systems revealed that feasibility for significant increase in farm net income; maximum being the Option-1 in medium farm (supplementary feeding) with baht 1,840,183 increased from baht 134,931, and Op tion-1 in small farm baht 596,022 increased from 65,428. Findings of the optimum farm pond size and best combination of sub-system through water balance simulation and LP models helped to identify which is profitable as well sustainable.
650		0	_aFarm ponds _zThailand _zNortheast
700	1		_aJayasuriya, H.P.W., _eChairperson
700	1		_aSalokhe, Vilas M., _eExamination Committee
700	1		_aShivakoti, Ganesh P., _eExamination Committee
700	0		_aRungsun Im-Erb, _eExamination committee
710	2		_aProtected Cultiv ation Project, _eScholarship donor
710	2		_aAsain Institute of Technology Fellowship, _eScholarship donor
810	2		_aAsian Institute of Technology. _tThesis ; _vno. AE-08-04
856			_3Full-Text _uhttp://203.159.5.9/ait-thesis/detail.php?q=B01723
907			_a.b12063848 _bmnait _cu
902			_a240329
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