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The history of agriculture in the United States covers the period from the first English settlers to the present day. In Colonial America , agriculture was the primary livelihood for 90% of the population, and most towns were shipping points for the export of agricultural products.
Native Americans in the United States practiced sustainable agriculture through their subsistence farming techniques. Many tribes grew or harvested their own food from plants that thrived in their local ecosystems. Native American farming practices are specific to local environments and work with natural processes. [157]
The agricultural policy of the United States is composed primarily of the periodically renewed federal U.S. farm bills.The Farm Bills have a rich history which initially sought to provide income and price support to US farmers and prevent them from adverse global as well as local supply and demand shocks.
An awareness of the need for agricultural conservation followed a history of agricultural abundance, as seen in the rapid settlement of western lands in the 1850s to 1880s. The new theme emerged in the Progressive conservation movement, in Hugh Hammond Bennett 's soil conservation crusade, and the land utilization movement of the 1920s.
Sustainable agriculture integrates three main goals, environmental health, economic profitability, and social and economic equity. These goals have been defined by a variety of philosophies, policies, and practices, from the vision of farmers and consumers.
Sustainable agriculture – applied science that integrates three main goals, environmental health, economic profitability, and social and economic equity. These goals have been defined by various philosophies, policies, and practices, from the vision of farmers and consumers. Perspectives and approaches are very diverse. The following topics ...
In the United States, agriculture is the second largest emitter of greenhouse gases (GHG), behind the energy sector. [1] Direct GHG emissions from the agricultural sector account for 8.4% of total U.S. emissions, but the loss of soil organic carbon through soil erosion indirectly contributes to emissions as well. [2]
Sustainable agriculture can be broadly defined as farming via methods that satisfy food and production needs while remaining profitable and sustaining farmers, the environment, and natural resources. [ 16 ] [ 17 ] The definition of sustainable agriculture varies depending on whether it is being defined within political or scientific discourse ...