Pollution Control Programs of Large-Scale Livestock and Poultry Farms in the Dianchi Lake Basin

With the enlarging scale and intensifying production of livestock and poultry breeding, the environment pollution becomes increasingly prominent in the Dianchi Lake Basin since 1990s. According to the survey of ＂The First National Census of Pollution Sources＂, occurrence and discharge of pollutants in large-scale livestock and poultry farms in this region were first understood. The pollution characteristics of large-scale live- stock and poultry breeding were also analyzed deeply. On this basis, the significance of pollution control programs for environment protection was investigated from aspects of pollution control policy, technology management and publicity.

The river chief system and agricultural non-point source water pollution control in China

As part of their efforts to control water pollution,local governments in China introduced the river chief system,whereby a named individual undertakes responsibility for protecting a specified waterway.As one of the most prominent sources of water pollution,agricultural non-point-source(NPS)pollution is becoming increasingly serious.Determining whether the river chief system,an institutional reform in China's decentralized environmental regulation regime,is effective in alleviating NPS pollution is important for the realization of green development.The effect of the river chief system on reducing agricultural NPS pollution is explored in this study using panel data from 308 Chinese counties during the period from 2004 to 2015.The results reveal that the negative impact of manure output from animal breeding operations on surface water quality is reduced with the implementation of the river chief system.However,the river chief system is ineffective in dealing with the water pollution caused by fertilizer use.Furthermore,in the current system,cooperation among river chiefs only occurs within a province.Local governments should increase their efforts in reducing fertilizer source loads and preventing fertilizer loads from entering surface waters.In addition,the central government should improve cooperation among the river chiefs in upstream and downstream provinces.

Establishment of Small Centralized Collection Processing Service System of Scattered Farming Waste

In order to advance pollution control and promote agricultural source pollution reduction of Jiangsu Province, based on the practical expe- rience of Lijia Livestock and Poultry Manure Processing Center in Wujin District, Changzhou City, Jiangsu Province, new ways of controlling small scattered livestock and poultry breeding pollution, with characteristics of ＂ unified collection, centralized processing, social services, and compre- hensive utilization＂, were discussed through establishing the collection processing service system, innovating operation system and mechanism, and transforming the mode of government supervision and management.

Fishing for Success

Innovative solutions unleash the full potential of Zimbabwe＇saquacultureZIMBABWEAN farmer Abel Gurupira used to think that aquaculture had nothing to do with cattle breeding.As a fact,at Milan Wood,his 15-hectare farm in Mashonaland West Province,fish,cattle and poultry used to be raised separately.But things changed after the visit of Pan Tingshuang,a Chinese aquaculture expert,in the region.