Abstract: In this paper,the relationship between clean production and recycle economy were discussed in detail.The importance,necessity and practical significance of developing recycle economy were argued as well.Practicable countermeasures were also put forward,which might lay a theoretical foundation for the sustainable development of resources cities.According to analysis of Fushun's industry layout,structure and economy development scale,the best way of heavy industry cities to develop clean production was brought forward.

Key words: Rice-duck farming system, Oryza sativa, Eco-physiology, Growth, Yield