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Zero waste agriculture is a type of sustainable agriculture which optimizes use of the five natural kingdoms, i.e. plants, animals, bacteria, fungi and algae, to produce biodiverse-food, energy and nutrients in a synergistic integrated cycle of profit making processes where the waste of each process becomes the feedstock for another process.
Regenerative agriculture is a conservation and rehabilitation approach to food and farming systems. It focuses on topsoil regeneration, increasing biodiversity, [1] improving the water cycle, [2] enhancing ecosystem services, supporting biosequestration, [3] increasing resilience to climate change, and strengthening the health and vitality of farm soil.
Reusing agricultural waste is in line with the desired circular economy. In today's economy, primary raw materials are mostly used. [30] Agricultural waste, on the other hand, is a secondary raw material. They are residual (waste) streams from an existing industry that can serve as raw materials for new applications.
Agricultural pollution, byproducts of farming practices that can result in degradation of surrounding ecosystems; Agricultural wastewater; Green waste, biodegradable waste; The former title of the scientific journal Bioresource Technology
Smithfield Foods hog CAFO, Unionville, Missouri, 2013. In animal husbandry, a concentrated animal feeding operation (CAFO), as defined by the United States Department of Agriculture (USDA), is an intensive animal feeding operation (AFO) in which over 1,000 animal units are confined for over 45 days a year.
World farm-gate greenhouse gas emissions by activity Soil degradation is the decline in soil quality that can be a result of many factors, especially from agriculture. Soils hold the majority of the world's biodiversity, and healthy soils are essential for food production and adequate water supply. [ 53 ]
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Animal-free farming may use organic or non-organic farming methods. However, most detailed discussions of animal-free agriculture currently focus on animal-free organic variants. [4] In the European Union, farmers have a financial incentive to use manure instead of animal-free fertilisers, since manure is subsidised.