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On December 12 to 13, 2012, the academic exchange symposium for National Science Foundation of China (NSFC) key projects was held in Changsha of Hunan Province. The key project "Environmental and ecological risk control for water saving irrigation, controlled drainage, and sychronization between farming land and wetlands", led by Prof. Peng Shizhang, was evaluated by seven experts from different univresities, and got Class A. This project made outstanding contribution to th sesearch on: the theory of water-saving and pollution-controlled irrigation practices, and their impacts on farmland environment; controlled drainage and its environmental effects; the coupled process of farmland water movement and pollutant transformation; ecological contribution of paddy field wetland and cological risks; operational model of irrigation-drainage-wetland system; and ecological safty of farmland.
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