News tagged with agricultural fertilizers

Greenhouse gases from farmland underestimated

(Phys.org)—Changes in agricultural practices could reduce soil emissions of the greenhouse gas nitrous oxide and the atmospheric pollutant nitric oxide, according to a new study by scientists at the University of California, ...

dateApr 02, 2013 in Environment
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Global worming: Earthworms add to climate change

(Phys.org)—Earthworms are long revered for their beneficial role in soil fertility, but with the good comes the bad: they also increase greenhouse gas emissions from soils, according to a study published Feb. 3 in Nature Cl ...

dateFeb 05, 2013 in Environment
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The Phosphorus Index: Changes afoot

Phosphorus (P) is both an essential nutrient in agricultural fields and a contributor to poor water quality in surface waters. To encourage improved P management in fields, the P Index was proposed as a risk assessment tool ...

dateNov 06, 2012 in Environment
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A greener way to fertilize nursery crops

A U.S. Department of Agriculture (USDA) scientist has found a "green" alternative to a type of fertilizer additive that is believed to contribute to the accumulation of heavy metals in waterways.

dateAug 27, 2012 in Other
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