VI. conclusion
The spray phenomenon in Jingmi Channel and 16 villages' results from the pollution from animal husbandry, factory, discharge of sewage and tail gases. These lead to eutrophication in water.

What is spray phenomenon?
spray phenomenon refers to the water pollution which causes numerous production of algae and forms green bubbles on the water surface. The appearance of algae means that the water is in condition of eutrophication, in which nitrogen, phosphor and other factors are beyond normal level. The spray phenomenon deteriorates the water quality.