稻鱼共生系统在农业面源污染防治中的作用

Analysis of the Effect of Rice-fish System on Controlling Agricultural Non-point Source Pollution

我国农业生产过程中形成的面源污染面广、量大、不易控制。稻鱼共生系统作为一种优秀的传统农业生产方式,具有突出的生态、经济等多方面价值,已被确定为全球首批重要农业文化遗产而得到保护。总结我国农业面源污染的现状,阐述稻鱼共生系统在减少农业面源污染中的作用,提出在稻田养鱼的基础上优化稻田种养结构、发展生态农业是防治农业面源污染的有效途径。

The agricultural non-point source pollution is difficult to control and it will become more prominent in our country.As one kind of the traditional agricultural produce systems,the rice-fish system can bring great economical and environmental benefits.It has been chosen as ＂Globally Important Ingenious Agricultural Heritage System＂ to be protected.The paper recognizes and grasps the current situation of China＇s agricultural non-point source pollution.With analysis of the effect of the rice-fish system on reducing agricultural non-point source pollution,the dissertation points out some measures to control agricultural non-point source pollution.