In order to study land use efficiencies of various areas, implement the optimization of whole provincial land economy density so as to promote the reasonable use of land resources and implement the sustainable use of land, the paper takes the space-time distribution of Henan land economic density as the research object, analyze the regional aerial differences dynamically, selects the data of 2013 by quantitative analysis, uses Cobb-Douglas production function, introduces specific indexes of each factor influencing land economic density, builds the regression model, analyzes influencing factors of each driving force affecting the land economic density of Henan Province and confirms main influencing factors.
Challenges for the sustainable use of water and land resources under a changing climate and increasing salinization in the Jizzakh irrigation zone of Uzbekistan
