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[1]DU Na,WANG Ji-jun,YANG Bing.Coupling Relationship on Eco-economic System of Agricultural Land in Zhifanggou Watershed[J].Research of Soil and Water Conservation,2011,18(02):48-52.

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Coupling Relationship on Eco-economic System of Agricultural Land in Zhifanggou Watershed

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 18 Number of periods: 2011 02 Page number: 48-52 Column: Public date: 2011-04-20

Title:: Coupling Relationship on Eco-economic System of Agricultural Land in Zhifanggou Watershed

Author(s):: DU Na¹, WANG Ji-jun^1,2, YANG Bing³; 1. College of Resources and Environment, Northwest A&F University, Yangling, Shaanxi 712100, China;
2. Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Yangling, Shaanxi 712100, China;
3. Chunhua Agricultural Center, Chunhua, Shaanxi 711200, China

Keywords:: agriculture land; resources and industry; relational grade; coupling degree; farm household scale; Zhifanggou watershed

CLC:: F327;S181

DOI:: -

Abstract:: The coupling trends of agriculture land eco-economic system can be characterized by the chain structure between agriculture land resources and agriculture industry. This study on coupling relations and coupling trends of agriculture land eco-economic system was carried out by coupling relational grade and coupling degree based on farm household scale. The results showed: (1) The agricultural land eco-economic system coupling was manifested as resources-restricted industry and industry-stressed resources. Plot, forage utilization, chemical fertilizers, density, Perland, duty of water were principal factor which restricted agriculture industry development. Income effect was principal factor which influence arrangement and exploitation of agriculture land resources.(2) Based on sampling survey, system coupling degree lies between 0.5～0.8 shows that the system coupling development was in running-in coupling. (3) Geographical conditions and agriculture land resources were important reasons for agriculture industry, as well as limited it. Public policy also offered advance guide and condition.

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