Characters of Saline-alkali Soil in Western Jilin and biological Treatment

Saline-alkali soil is widely distributed in western Jilin, which is a important province of crop producers of China. Land salinization will cause serious damage to agriculture and engineering. This thesis took field investigation on western Jilin and did some laboratory test of soil sample collected in Zhenlai country of Jilin province. The result showed that: soil samples were carbonate saline-alkali soil, the moisture content of soil samples were higher with the increasing of depth, pH and soluble salt content were lower with the increasing of depth, the influence depth of evaporation was 30cm in the research area. Sulfur- oxidizing bacteria treatment mechanism was discussed. The research can provide theoretical basis of prevention and treatment of saline-alkali soil in western Jilin.