Check dam, check dam
A slow water weir semi permanent one type. On traditional engineering Using materials readily available locally, such as branches, rocks, to stem the slow stream water to ไหลช้าลง. And the confined space for a long time, so the area around absorbed to use. A restoration of degraded forest area to moisture.
Fai slow water is a structure made to hinder water in the river. To keep down the strength of sediment and water. A method of soil and water conservation
The problem.
The shortage problem of water during the dry season has suffered.