Sustainable Development Patterns For High-efficient Eco-agriculture In Shijiazhuang City

Since China's Reform and opening up,the rural economy and people's living standards i n Shijiazhuang has developed rapidly.However,at the same time,agricultural development faces severe resource and environmental pressures.Using ecological economics concepts to guide agricultural production,transforming growth patterns and innovating development models are important and urgent.Therefore,efficient ecological agriculture is becoming more popular.Through reviewing literature and thesis,we analyze the ecological agriculture,including the research progress of sustainable agricultural development at home and abroad,points out the current situation of ecological agriculture development in Shijiazhuang City and the problems in its development,and puts forward specific research on these issues.First,the concepts of agroecology and agricultural economics related fields were defined,and the development foundation and problems in agricultural were analyzed.Shijiazhuang City has advantages in terms of land,water,climate and other aspects.Agricultural and social economic development is relatively fast,but there are someproblems,such as low commodity rate of agricultural products,unreasonable agricultural industrial structure,and low agricultural sustainable development capacity.Secondly,based on analyzing the condition and eco-agricultural foundation of Shijiazhuang,basic situation of eco-agricultural for Shijiazhuang sustainable development were proposed,including:(1)ecological integration mode;(2)horizontal and vertical elongation mode of industrial chain;(3)courtyard Microcirculation mode.The typical models of sustainable development of ecological agriculture was analyzed,including:"planting-aquaculture-agricultural processing-leisure tourism","wheat and com for seed-straw returning to the field","trees planting-poultry for meet","pigs rising for pork-methane-food cycle" and "scale-type ecological farming community".Comprehensively study the sustainable development model of ecological agriculture in Shijiazhuang.Finally,the problems of ecological agriculture in Shijiazhuang are summarized,and the suggestions for promoting the sustainable development of ecological agriculture in Shijiazhuang are put forward,which provides theoretical and practical support for the development of ecological agriculture in Hebei and even North China.