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Prevention and control of agricultural non-point source pollutions in UK and suggestions to China
Received:November 14, 2015  
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KeyWord:United Kingdom;non-point source pollution;agriculture;fertilizer;policy
Author NameAffiliationE-mail
LIU Kun College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China  
REN Tian-zhi Institute of Agro-Environmental Protection, Ministry of Agriculture, Tianjin 300191, China  
WU Wen-liang College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China  
MENG Fan-qiao College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China mengfq@cau.edu.cn 
Jessica Bellarby Lancaster Environment Centre, Lancaster University, Bailrigg, Lancaster, LA1 4YQ, UK  
Laurence Smith Lancaster Environment Centre, Lancaster University, Bailrigg, Lancaster, LA1 4YQ, UK  
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Abstract:
      Currently, the world is facing challenges of maintaining food production growth while improving agricultural ecological environmental quality. The prevention and control of agricultural non-point source pollution, a key component of these challenges, is a systematic program which integrates many factors such as technology and its extension, relevant regulation and policies. In the project of UK-China Sustainable Agriculture Innovation Network, we undertook a comprehensive analysis of the prevention and control technology, technology extension systems and related policy measures of agricultural non-point source pollution in UK. We then proposed the promotion of prevention and control of agricultural non-point source pollution in China. Considering the current agricultural resources and environment countermeasures of “one control”(control over the total quantity of the agricultural water and agricultural water environment pollution), “two reduction”(reduction in quantities of fertilizers and pesticides), and “three basic countermeasures”(resource utilization, recycling, and disharm treatment of livestock and poultry wastes, agricultural plastic films and crop straws), we suggested that in the near future source control and process prevention should be technical priorities. Optimzation and reduction of chemical fertilizer, combined use of chemical and organic fertilizers, land utilization management, agricultural sector adjustment and integration of crop production with animal husbandry should be the key technologies. The role of non-governmental technical service should be promoted. Government subsidies, ecological compensations and other forms of economic means could be used to encourage famers actively participate in the prevention and control of nitrogen and phosphorus losses and pollution in soil and water systems. Related technical documents and regulations should be more specific, clear, and practical. Collection, transmission and analysis of non-point source pollution data relying on modern information approaches should also be incorporated in the non-point source control projects. The prevention and control of non-point source pollution from agricultrue should be integrated into the overall national economic and social development planning, and be unified with the industry optimization and economic development indicators to improve the quality of ecological civilization construction, aiming at the sustainable economic and social development in China.