News tagged with agricultural fields

Wood chips help curb nitrate leaching

( -- Wood chips can significantly stem nitrate flow from crop fields into the surrounding watershed, according to a U.S. Department of Agriculture (USDA) study.

dateFeb 20, 2012 in Ecology
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Solutions for a nitrogen-soaked world

Nitrogen is both an essential nutrient and a pollutant, a byproduct of fossil fuel combustion and a fertilizer that feeds billions, a benefit and a hazard, depending on form, location, and quantity. Agriculture, industry ...

dateJan 17, 2012 in Environment
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Using ground covers in organic production

Studies by U.S. Department of Agriculture (USDA) scientists indicate that organic farmers who need to periodically amend their soils with compost after planting can still control weeds -- and hold down costs -- by using fabric ...

dateAug 30, 2011 in Environment
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Soil microbes accelerate global warming

More carbon dioxide in the atmosphere causes soil to release the potent greenhouse gases methane and nitrous oxide, new research published in this week's edition of Nature reveals. "This feedback to our changing atmosphere ...

dateJul 13, 2011 in Environment
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