Soil conservation Organic farming

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supporters claim organically managed soil has higher quality , higher water retention. may increase yields organic farms in drought years. organic farming can build soil organic matter better conventional no-till farming, suggests long-term yield benefits organic farming. 18-year study of organic methods on nutrient-depleted soil concluded conventional methods superior soil fertility , yield nutrient-depleted soils in cold-temperate climates, arguing of benefit organic farming derives imported materials not regarded self-sustaining.


in dirt: erosion of civilizations, geomorphologist david montgomery outlines coming crisis soil erosion. agriculture relies on 1 meter of topsoil, , being depleted ten times faster being replaced. no-till farming, claim depends upon pesticides, 1 way minimize erosion. however, 2007 study usda s agricultural research service has found manure applications in tilled organic farming better @ building soil no-till.








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