Policy Selecting Of Controlling Agricultural Non-Point Source Pollution

Entering the 21st century, with effective control of point pollution, the non-point source pollution, especially the agricultural non-point source(ANPS) pollution, has gradually become the most serious environmental problem in china. The source of ANPS pollution manily includes chemical fertilizer, pesticide, waste excreted by licestock, garbage, agricultural film etc. ANPS pollution is devastating, not only degrading agro-ecosystems, polluting water and soil, but aslo damaging the health of residents through water and food pollution. ZheJiang, located in the southeast coast of China, is a province which develops fast and has higher level of urbanization. In recent years, with the province's agricultural production develops quickly, chemical fertilizer and pesticides has high usage, famers breeding more livestock, the environment in this province is worse diary. How to control the ANPS pollution effectively, becomes the issue the government focuses. The dissertation gives practicable suggestions of controlling ANPS through analysising rural household's willingness of putting into chemical fertilizers.Rural household's behavior has close relationship with ANPS pollution, so it's necessary to analysis the Rural household's behavior to lead famers to adopt environmen-friendly production. Based on the researches done before, the dissertation first introduce the three types of policy instrument:control measures, market measures and the mechanism of public participation, the dissertation makes comparison of the policies and point out their different apply objects.Then, on the basis of field investigation and 169 household's questionnaire in NingBo and JiaXing, the dissertation propose the policy measures of ZheJiang province to control the ANPS pollution from two perspectives in the case of chemical fertilizers:public's voluntary participation and public's desire of new policies.The dissertation use Binary Logistic Model to analysis rural household's desire of reducing the use of chemical fertilizer voluntarily. It turns out that household's desire of reducing the use of chemical fertilizer is not strong. Education level of the head of a household, using organic fertilizer, farmer's cognition of the effection on soil of excess fertilizer, and the price of fertilizer have positive effection on people's willingness of reducing the use of fertilizer, while area of cultivated land, distance between home and land, have negative effection.Then, The dissertation use Choice Modeling to analysis rural household's adoption willingness of different policies. Government's tailwater standars, supporting organic fertilizer's price, environment-friendly technology spreading is the three policy attributes, and use the chemical fertilizer putting amount to evaluate the different policies. The result is that rural household's adoption rate of supporting organic fertilizer's price and environment-friendly technology spreading is large, while the adoption rate of government's tailwater standard is small.In the end, the dissertation gives policy suggestions in controlling ANPS pollution in ZheJiang province:establish and improve agricultural pollution control legislation systems; expand publicity, improve people's awareness of environmental protection; strengthen educationim, improve peasantry quality; spread agricultural technology and guide farmers to produce effectively; appropriately raise the price of chemical fertilizer, reduce the chemical fertilizer's amount of usage; support the price of organic fertilizer, encourage people to use organic fertilizer, ensure household's benefits.