Study on the Evaluation of Cultivated Land Quality in Xuyi County Based on the Third Nationwide Land and Resources Survey
The Overall Plan for the Construction of Natural Resources Investigation and Monitoring System proposes the requirements for the quality analysis and evaluation of cultivated land resources,and it is urgent to carry out detailed quality grade evaluation of cultivated land based on plots.Referring to the evaluation system of the Quality Grade of Cultivated Land,based on the data from the third national land survey and combined with basic geographic information data and other thematic data,the cultivated land quality evaluation technology and methods were explored.The cultivated land quality evaluation index system was established from the aspects of topography,soil conditions,cultivation conditions,stability conditions and location conditions,and the comprehensive evaluation method was used to calculate the comprehensive index of each plot.The research results showed that the evaluation results of this evaluation technique and method are in line with the current situation of cultivated land quality in Xuyi county.By analyzing the main influencing factors of the quality of each cultivated land,targeted optimization treatment of plotswere carried out to provide data support for the designation of high-standard farmland and permanent basic farmland.
the cultivated land quality evaluationthe third national land surveyindex system
NETL
NSTL
万方数据
