Analysis on Spatio-temporal Character of Regional Cultivated Land Resources Security in Zhengzhou

Cultivated land resources security was an important condition which safeguard national economy development,and it was correlative with food supplies security.This paper took Zhengzhou City as an example to research the situation of regional cultivated land resources security.Through biological carrying capacity analysis method,exaction evaluation system of cultivated land resources security,established evaluation model of cultivated land resources security,to research the cultivated land resources in Zhengzhou City between 1996—2005.