1. The changes on quality and production capacity of farmland in the main agricultural regions during recent 20 years [in Chinese];Zhang;Geogr. Geo. Inf. Sci.,2011
2. Spatial distribution characteristics of potential productivity of arable land in main crop production area in China [in Chinese];Xiang;Trans. Chin. Soc. Agric. Eng.,2012
3. The Alkili-saline land and agricultural sustainable development of the Western Songnen Plain in China [in Chinese];Li;Sci. Geogr. Sin.,2000
4. Hydrochemical characteristics and water quality assessment of surface water and groundwater in Songnen plain, Northeast China;Zhang;Water Res.,2012
5. Nature and extent of agricultural salinity;Tanji,1990