Studies on the Suitable Plantation Evaluation of Saline Land in the “Three Norths” Area

The quantitative process of suitable plantation evaluation of saline land in northern shelterbelt area has been adopted.(1) To collect related test data,(2) investigation in northern shelterbelt area,(3)method of expert evaluation remark,and through fuzzy multifactor decision ordering and DEA optimization,could be used to estimate the salt-tolerance tree species in the area with different salinity (light,medium,heavy),different tree species (tree,shrub,economic forest),different suitability (suitable,assistance,reference) and 5 different nature areas (Helongjing nature area,Beijing Tianjin Liaoning nature area,Jilin Inner Mongolia nature area,Qinghei Gansu Inner Mongolia nature area,and Xinjinag nature area).The results showed the saline soil classification project and suitable plantation evaluation of saline land.