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Irrigation System Case Study

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One of the problems that irrigation engineers have to face is the irrigation requirement, or the potential of certain irrigation system to satisfy its purpose efficiently. With the soil and water resources, one can evaluate the potential of an irrigation system. Irrigation potential is measured through irrigation water requirements (FAO, 2015). Philippines, as an agricultural country, have its majority of the population dependent on agriculture for food and livelihood which is consequently dependent on irrigation. However, reports from National Irrigation Administration (NIA) stated that the development that the irrigation has progress was still insufficient to cover all of irrigable areas of the country. With this concern, the Government has directed NIA to develop irrigation projects to cover the remaining 1.5 million hectares of the irrigable …show more content…

The Magat River, being the largest tributary of the longest river in the country which is the Cagayan River, serves as the main source for MARIIS. It has an estimated yearly water discharge of 9,808,000 cubic meters and has an approximate crest length of 4,160 meters. The portion of the Magat River on which Magat Dam is located forms part of the boundary between the provinces of Ifugao and Isabela. The Magat dam is known as a source of irrigation water and as a provider of hydroelectric power for the Isabela-Ifugao area. According to Dela Cruz, et al. (2015), “two croppings a year for rice is now possible within MARIIS’ service area. Yet despite the abundance of water, good seeds and technology for rice production, the average yield of rice in the region is low at 4.7 MT/ha for hybrid and 3.56 MT/ha for inbred, both of which are way down below their potential

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