KAJIAN OPTIMALISASI PENGGUNAAN AIR IRIGASI DI DAERAH IRIGASI BERAMBAI MAKMUR KECAMATAN PANGKALAN BANTENG KAB. KOTAWARINGIN BARAT

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This research was conducted in Berambai Makmur irrigation area of Pangkalan Banteng Sub-district of Kotawaringin Barat Regency. The purpose of this research is to know the discharge of water availability, the water demand, the comparison between the discharge of availability with the water demand, and to determine the optimization strategy of irrigation water use in Berambai Makmur irrigation area. This research uses qualitative design which presented in descriptive explorative. The population of this research is all farmer groups, irrigation water users and related institutions that manage the use of irrigation water. the sample of research as many as 30 respondents. Data analysis using SWOT analysis. The result of the research shows that the availability of irrigation water in the rainy season ranges from 5.44 to 10.89 liters per second, while in the dry season the availability of water decreases from 1.37 to 5.78 liters / sec. For the water needs in the rainy season ranges between 110.94 - 129.81 liter / second, while in the dry season the need for water has increased between 118.38 - 136.40 liter / second. Comparison between the availability of water during the rainy and dry seasons compared to insufficient water requirements In the rainy season, the availability of water that is lacking so that there are areas that are not irrigated can be overcome by the high rainfall, so that the irrigated area still gets water from rain water.

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