土质水份管理是一件很重要的工作.(一)润水的方法,润水时应根据土堆大小,高低,土质情况,先挖档,后润水,挖垱的方法是:甲、凡是沙土老土混合土堆,要挖成梅挡子。园档直径1.5尺,深度1.5尺至2尺,垱子间隔1尺。若是沙土堆同此处理。乙、凡是老土堆应挖成长形垱子,垱子长3尺,宽 Soil moisture management is a very important task. (1) The method of water treatment should be based on the size of the earth mound, the height and the soil quality. The first step is to dig the file, and then the water is used. The methods of digging the earthworm are: All sand and soil mixed with earth mounds should be dug into a plum block. The garden file is 1.5 feet in diameter, 1.5 feet to 2 feet deep, and 1 foot apart. If sand and soil piles are treated together. B. All old earth mounds should be digging to grow into rakes. The rake should be 3 feet long and wide.