Soil salinization is one of the four environment problems that the dry farming faced to in the world. The traditional saline soil treatment take the method of wash the salt by Plenty of water、underground drainage. Take away the salt infiltrat from surface soil by underground drainage. The saline treatment method based by row has many problems when the saline soil get improved. Such as, so big of irrigation and drainage engineering quantity, input costs running costs maintenance costs are very high, ...