Thai country since ancient method of life we hold occupation of farming, especially in the agricultural profession grandfather grandparent was upheld as a sustainable legacy for a long time. In the past, it is an indicator of the country's resettlement Thai. Water is the main anchor of the settlers, because for both consumer and professional uses of water in agriculture will need to be planted. In addition to the rain water which is causing the occupation of farming. Some years it rains early in the season, dare does not work perfectly. If a drought or a rainy period results in a delay in the next agricultural season. The rate of return is not good enough. Therefore, farmers will have to rely on water from the river by diversion irrigation water to agricultural aid, such as irrigation systems, most often overflow drain. The dam is a dam and a water system to the benefit of both the industry and agriculture sectors, producing electricity that we use today.
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