Ecological Environmental Protection Constraints On The Industrialstructure Adjustment Of Urban Agriculture

At present, urban agriculture has become the theme of development of China's majorcities, urban agriculture plays an important role in the sustainable development of the city.ecological environment constraints on the industrial structure of urban agriculture, urbanagriculture industry positioning, has become one of the pressing issues need to beaddressed in the development of many major cities in China.The paper has combed through the literature search on the connotation and functionof urban agriculture. Analysis of the impact of agriculture on the ecological environment,both positive and negative aspects. Mainly an active role in the maintenance of theecological environment, protection of ecological balance, has an extremely importantenvironmental functions; negative effect is mainly caused by soil erosion and landdegradation, resulting in the decline of biodiversity in agricultural activities, agriculturalwater use on the adverse effects of ecosystem and chemical fertilizers, pesticides, energyuse impact on the ecological environment. Meanwhile, different agricultural industry has adifferent impact on the ecological environment.Urban services in urban agriculture plays a positive role in the city's ecologicalenvironment construction, urban agriculture is affected by the impact of urban productionand life, especially China's rapid urbanization influence is very obvious. The rapidadvance of urbanization, a large concentration of population to urban, the traditional pathof industrialization makes the urban development space expanding continuously improvethe level of economic and social development, it also brings the resources, energyshortages, deterioration of ecological environment, urban agriculture as a development background and basis for the ecological environment of binding increasing.The paper further reflects the population pressure, urban industrial waste dischargeand urban greening to examine the ecological environment of the city on urban agriculture.select China's36major cities (municipalities, provincial capitals and cities withindependent planning) using SPSS software for cluster analysis to explore theenvironmental pressures of the above factors on the major cities and to the classification,in order to further explore the ecological and environmental constraints, urban agricultureprovide the basis for the adjustment of industrial structure ideas.The results showed that impact factor of the above individual have different impacton cities, the five factor analysis can be divided into environmental stress weak type, therelatively weak type of environmental stress, environmental stress are relatively strongand environment-stress the strong type; Shanghai is the only city in the strong type ofenvironmental stress, ecological and environmental constraints that the development ofurban agriculture is the most obvious.In view of this, Shanghai, for example, the apparent binding of the urban ecologicalenvironment in the context of industrial restructuring of urban agriculture from thereasonable control of livestock scale on the basis of analysis of the Shanghai MunicipalAgricultural Structure, and vigorously the development of fruit industry, and activelypromote ecological agriculture and recycling agriculture start to deal with the constraintson agricultural development of the ecological environment, and also to some extentimproved the ecological environment for the development of urban agriculture to create agood ecological conditions.