The Functional Evolution,Realistic Dilemma and Governance Countermeasures of Farmland Irrigation Systems from the Perspective of Food Security
Food security is an inevitable requirement for building an agricultural power,and the farmland irrigation system is the foundation basis for ensuring food security.The interweaving of the two in rural society is reflected in the multiple attributes of agricul-tural irrigation system.Based on the multiple attributes of"Material-Technology-Institution",this paper explores the mechanism of farmland irrigation system's impact on food security,and clarifies the functional evolution of farmland irrigation system and the essence of practical difficulties,which is of great significance for achieving sustainable agricultural development and effective rural governance.The functional evolution of China's farmland irrigation system is reflected in the gradual development of the material attribute function of"quantity-quality-production",the system construction of the technical attribute function of"water-energy-grain coupling",and the construction pattern of the institutional attribute function of"multiple participation".The practical dilemmas are the facility vulnera-bility dilemma caused by climate change,the technology promotion dilemma caused by"large countries and small farmers",and the management and protection dilemma caused by the absence of subjects and mechanism failure.Therefore,in order to comprehensively consolidate the foundation of food security,we must promote the efficiency of farmland irrigation system by constructing farmland irriga-tion facilities with the goal of comprehensive sustainability,enhancing the market-oriented supply level of farmland irrigation systems with the leverage of property rights and price mechanism,and strengthening the management and protection level of farmland irrigation systems with the grasp of collaborative governance.
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