Analysis of the Formation Characterisitcs of N and P in the City Zone Chongqing of Jialing River

Based on the analysis of the environment backgroung of the city zone Chongqing of Jinaling River,the authors made an no-the-spot survey and sampling of the N and P there,and experiment to have a systematic analysis of the formation of N and P.The results of the experiment show that inorganic phosphorus and organinc nitrogen are highly contained in the water of Jialing River.Accordingly,the necessary scientific basese have been provided for the control of water environment pollution and eutrophication in the Jialing River.