About Sustainable agriculture

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Title Sustainable agriculture
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Sustainable agriculture uses ecological principles to farm, hence the prefex agro- to farm and ecology- the science of the relationship between organisms and their environment. It has been defined as follows: “the term sustainable agriculture means an integrated system of plant and animal production practices having a site-specific application that will, over the long term: Sustainable Agriculture in the United States was also addressed by the 1990 farm bill. The physical aspects of sustainability are partly understood. Practices that can cause long-term damage to soil include excessive tillage (leading to erosion) and irrigation without adequate drainage (leading to salinization). Long-term experiments have provided some of the best data on how various practices affect soil properties essential to sustainability. The most important factors for an individual site are sun, air, soil and water. Of the four, water and soil quality and quantity are most amenable to human intervention...
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