Yiyang is a rich countryside of fish and rice since the ancient time. The Dongting lake ecological and economic zone is very famous in fish and rice production. It is the big market of agriculture and the rice cultivation with a long history. Taking “Donting Eclogic rice as the leading brand, it is to develop the Dongting ecological rice that urges the fine rice production, fine miling and the fine-health food production, trade good circlation and ecological travelling etc. Thus it would be great significance to urge agriculture upper-...