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Water pollution from agriculture: a global review - Executive summary










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    More people, more food… worse water? - Water Pollution from Agriculture: a global review 2018
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    Current patterns of agricultural expansion and intensification are bringing unprecedented environmental externalities, including impacts on water quality. While water pollution is slowly starting to receive the attention it deserves, the contribution of agriculture to this problem has not yet received sufficient consideration. We need a much better understanding of the causes and effects of agricultural water pollution as well as effective means to prevent and remedy the problem. In the existing literature, information on water pollution from agriculture is highly dispersed. This repost is a comprehensive review and covers different agricultural sectors (including crops, livestock and aquaculture), and examines the drivers of water pollution in these sectors as well as the resulting pressures and changes in water bodies, the associated impacts on human health and the environment, and the responses needed to prevent pollution and mitigate its risks.
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    Guidelines to control water pollution from agriculture in China
    Decoupling water pollution from agricultural production
    2013
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    Deterioration of water quality is considered a key constraint to future economic development and social progress in China, and agriculture is known to be a major source of pollution. Agricultural systems in China have expanded and intensified to meet increasing food demand related to population growth and changes in diet. This has led to greatly increased pressure on water quality. Huge amounts of agrochemicals, organic matter, drug residues, sediments and saline drainage are being discharged every year into water bodies. Water pollution from rural sewage has also increased with the rapid development of the economy and improving living standards in rural areas. Rural sewage is estimated to be about 9 billion tonnes a year; most is discharged into the environment untreated. The resulting increased concentrations of pollutants in water bodies pose demonstrated risks to aquatic ecosystems, human health and productive uses. These guidelines produced by the F ood and Agriculture Organization of the United Nations (FAO) and the Institute of Environment and Sustainable Development in Agriculture (IEDA) of the Chinese Academy of Agricultural Sciences (CAAS) review the key pressures and impacts from the main agricultural and rural activities (i.e. cultivation, animal raising, aquaculture, and rural living) and propose a set of good agricultural practices and economic and regulatory actions to minimize pollution and to move towards a more sustainable agriculture intensification in a greener economy.
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