Water pollution by agriculture

pollution of water by insecticides

fifty percent of world argricultural production is destroyed by insects each year. therefore, enormous quantities of insecticides are consumed to control these pests. as an example, france is using 35000 metric tons insecticide every year. some of the methods used for spraying and applying insecticides tend to increase the pollution of natural waters . in this article different factors causing ...

Estimation of Water Demand of Agriculture Sector by Water-Yield Function (Case Study: Sistan Province)

In this study, yield-water and profit function was used to obtain water demand function in agriculture sector. The results showed that the ratio of actual to potential Evapotranspiration had positive, significant effecton the ratio of actual to potential yield for wheat and barley. Also, square ratio of actual to potential Evapotranspiration had negative, significant relationship. After estimat...

The EU Nitrates Directive: a European approach to combat water pollution from agriculture.

From 1991 onward, the European Union (EU) member states have had to comply with the Nitrates Directive. The aim of this directive is to sustainably protect ground and surface waters from pollution with nitrogen (nitrate) originating from agriculture. Agriculture is, on an EU level, the largest single source of nitrate (runoff, leaching) pollution, although households and industries also contrib...

Reducing nutrient pollution, challenges in agriculture

California’s Agriculture-Related Local Air Pollution Policy

Air pollution is a critical environmental issue for California, which has some of the nation’s most polluted air basins and also the nation’s most stringent set of state and local air quality standards. This paper reviews my previous work in Lin (2011), in which I examine the effects of agriculture-related local regulations in California on air quality, as measured by the number of exceedances ...