文档介绍：Agri-Environmetal Instruments for Nonpoint
Pollution: Theory and Practice
Zhao Liange Cai Shukai
School of Economics, Department of Management,
Zhejiang Gongshang University Anhui University of Technology and Science;
Hangzhou China Wuhu China
Abstract—In this article, the author talk about the to point Source Pollution.
impacts of the Agricultural non-point pollution on water
quality and health, and outline the economic II. AGRICULTURAL POLLUTANTS
characteristics of five instruments that can be used to Agricultural nonpoint-source(NPS) emissions of nitrogen
reduce agricultural nonpoint source pollution (economic and phosphorus are major sources of pollution in many
incentives, standards, education, liability, and research) watersheds, causing environmental problems such as algal
and discusses empirical research related to the use of these blooms in rivers, lakes, and in the sea, and may also reduce
instruments. biodiversity. Agricultural pollutants include sediment,
KeyWords-Nonpoint Pollution; Agri-Environmetal; nutrients (nitrogen and phosphorus), pesticides, salts, and
Instruments; policy pathogens. While farmers do not intend for these materials to
move from the field or enterprise, they often do.( Marc O.
I. INTRODUCTON Ribaudo . 1999). The total costs of water pollution from
point and nonpoint sources are largely