Investigation and Evaluation of Arable Land Reserve Resources Based on Restrictive Factor Method
The investigation of arable land reserve resources is an important measure to strengthen arable land protection and ensure food security.Based on the new round of national survey and evaluation of arable land reserve resources,starting from ecological conditions,terrain slope,annual accumulated temperature,annual precipitation,irrigation conditions,soil texture,soil heavy metal pollution status,salinization degree,soil pH,soil layer thickness,and cultivation convenience,the restrictive factor method is used to comprehensively survey and evaluate other grasslands,sandy land,and bare land in Guizhou province,updating the survey results of arable land reserve resources,and providing reference for the development of new arable land in various regions.
cultivated land reserve resourcesrestrictive factor methodindicator systemsurvey evaluation
万方数据
维普
