Analysis on the Infiltration Character of Water Storage Pit

摘要

Water storage pit irrigation method is a new method used suitably in orchard irrigation in arid or semi-arid area. The use of this method not only can make roots deeper to have the capacity of drought resistance, but also can storage rain water and reduce soil erosion. However, its theory must be studied further. The varying head infiltration in single storage pit of homogeneous soil was tested and analyzed in this paper. The mathematical model of the varying head infiltration in single storage pit of homogeneous soil was established, and the infiltration model characteristic was worked out by use of physical model experiment. The major effect factors on the varying head infiltration process were analyzed. This conclusion will be of important value for the further study on water storage pit irrigation.