Based on summarize the influencing mechanism of arbuscular mycorrhiza on saline-alkali tolerance of plant and action mechanism of alfalfa how to improve the saline-alkali soil,this paper presented the study of potential impact of arbuscular mycorrhiza on saline-alkali tolerance of alfalfa and its future development.

This paper states the research progress of anti-saline plant Puccinellia tenuiflora from the aspects of physics,anatomy and molecular biology.

Study on the Relationships between Dynamic of Soil Animals Biodiversity and Ecological Factors of Different Halophilous Habitat in the Leymus Chinensis Grassland of Jilin Province;