Nitrogen and phosphorus balance analysis of cultivated land in Jiangsu plain,China  

作　　者：ZOU Xinqing Pierre Gerber LI Haiyu LIU Qingsong WANG Qian SHEN Jingfen SHI Binwen 

机构地区：[1]Department of Urban and Resource Studies,Nanjing Univeristy,Nanjing 210093,China [2]Food and Agriculture Organization

出　　处：《Chinese Science Bulletin》2001年第S1期113-116,共4页

基　　金：This work was surported by the Fund of Food and Agriculture Organization.

摘　　要：Jiangsu plain is located along the downstream of the Yangtze River, the north part of which is also the coast area of the Yellow Sea. The specific location makes the local environmental issues regionally important. This paper studied arable land area, plantation structure, livestock sector data, which shows that livestock sector contributes a big amount of nitrogen and phosphorus, in terms of the demand from the agriculture use in Jiangsu plain. But actually, there is still much mineral fertiliser used in agriculture, which causes the N and P produced from livestock sector being an important source of pollution to the environment. The paper suggests to tighten up manure management, in order to lead to a big reduction in the pollution to both soil and surface water.Jiangsu plain is located along the downstream of the Yangtze River, the north part of which is also the coast area of the Yellow Sea. The specific location makes the local environmental issues regionally important. This paper studied arable land area, plantation structure, livestock sector data, which shows that livestock sector contributes a big amount of nitrogen and phosphorus, in terms of the demand from the agriculture use in Jiangsu plain. But actually, there is still much mineral fertiliser used in agriculture, which causes the N and P produced from livestock sector being an important source of pollution to the environment. The paper suggests to tighten up manure management, in order to lead to a big reduction in the pollution to both soil and surface water.

关 键 词：Jiangsu PLAIN CULTIVATED LAND GIS livestock. 

分 类 号：S153.61[农业科学—土壤学]