Abstract:

With the development of social economy and urbanization,partial cultivated land conversion has already become inevitable.Analysis on intensive cultivated land use has important significance for releasing humanland conflict and ensuring sustainable development of social economy.From the perspective of humanland relationship,this paper constructed evaluation index system for intensive cultivated land use based on PSR model,and used entropy method,maximum 〖JP2〗difference normalization method and comprehensive〖JP〗 index method.Taking Jiangxi Province for an example,this paper calculated the intensive degree of cultivated land in Jiangxi Province from 1998 to 2007,and obtained that the intensive degree and each PSR subsystem coordination degree showed an increasing trend.It also used SPSS software and principal components analysis to analyze the driving forces of intensive cultivated land use.The driving forces include population economy factor,farming resource factor,policy system factor and nature factor.Results could provide certain scientific basis for the intensive cultivated land use in Jiangxi Province and some reference value for other provinces.