试验区位于河套灌区五原荣义，小区命名为GS5，试验区为撂荒的盐碱地，降

Test area in Hetao Irrigation District is located in the original five-wing justice, community named GS5, the test area is abandoned saline land, rainfall concentrated in July-August, annual rainfall 190mm, evaporation at 2100mm, surface evaporation intense. Groundwater level 1.35m, soil salt content of 9.6g / kg, soil bulk density of 1.68g / cm3, soil total nitrogen content of 0.63g / kg, soil organic matter of 5.15g / kg.

The test area is located in Wuyuan Rongyi, the district is named GS5, the test area is the desert salt-alkali land, the rainfall is concentrated in July-August, the annual rainfall in 190mm, evaporation in 2100mm, the surface evaporation is fierce. The water table was buried at a depth of 1.35m, the soil salt content was 9.6g/kg, the soil weight was 1.68g/cm3, the soil nitrogen content was 0.63g/kg, and the soil organic matter was 5.15g/kg.

The experimental area is located in Rongyi, Wuyuan, Hetao irrigation area. The residential area is named GS5. The experimental area is abandoned saline alkali land. The rainfall is concentrated in July August. The annual rainfall is 190mm, the evaporation is 2100mm, and the surface evaporation is intense. The buried depth of groundwater is 1.35M, soil salt content is 9.6g/kg, soil bulk density is 1.68g/cm3, soil total nitrogen content is 0.63g/kg, and soil organic matter is 5.15g/kg.<br>