Calculate your nitrogen footprint
Carbon footprints are a familiar way to assess how green your lifestyle is, but now you can also measure your nitrogen footprint using a new tool, the N-Calculator.
May 15, 2013
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May 15, 2013
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New tool helps farmers nip nitrogen losses
A new tool helps farmers feed crops only as much as they really need.
May 14, 2013
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Fertilizers provide mixed benefits to soil in 50-year Kansas study
Fertilizing with inorganic nitrogen and phosphorus definitely improves crop yields, but does it also improve the soil?
Apr 29, 2013
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X-ray analysis could help reduce fertilizer pollution, improve legumes
(Phys.org) —The overuse of nitrogen fertilizers in agriculture can wreak havoc on waterways, health and the environment. An international team of scientists aims to lessen the reliance on these fertilizers ...
Apr 22, 2013
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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, ...
Apr 02, 2013
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Battling climate change with tried-and-true methods
For decades, farmers in Montana and the Dakotas have produced impressive yields of barley and wheat. But that bounty has come at a cost. Tilling the soil in the region's crop-fallow production systems has ...
Mar 29, 2013
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Corn stover collection can have environmental impacts, study finds
(Phys.org) —Removing corn stover from agricultural fields to produce cellulosic ethanol requires careful management to avoid adding greenhouse gas emissions and soil erosion to the environment, say Purdue ...
Mar 19, 2013
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Perks of parasitic plants revealed
Parasitic plants, sworn enemy of many a farmer, can carry surprising benefits for wildlife, according to new research.
Mar 18, 2013
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Improving climate protection in the agricultural sector: Study reveals new avenues
Agriculture is responsible for around 10 to 12 percent of all greenhouse gases attributable to human activities. This raises the question of how these emissions could be reduced. A recent study has investigated—for ...
Feb 28, 2013
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Study finds nitrogen pollution a growing problem in China
(Phys.org)—A team of researchers with members from several countries around the world, and led by Chinese agriculturalist Fusuo Zhang has found that nitrogen deposition over China has increased by over ...
Feb 21, 2013
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Nitrous oxide levels in California may be nearly three times higher than previously thought
(Phys.org)—Using a new method for estimating greenhouse gases that combines atmospheric measurements with model predictions, Lawrence Berkeley National Laboratory (Berkeley Lab) researchers have found that ...
Dec 04, 2012
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Earth on acid: The present and future of global acidification
Climate change and extreme weather events grab the headlines, but there is another, lesser known, global change underway on land, in the seas, and in the air: acidification.
Nov 06, 2012
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Warmer climates don't necessarily mean more fertile soils, study says
(Phys.org)—Warmer climates won't necessarily speed the return of nitrogen to soils as scientists once thought, according to a Purdue University study.
Nov 01, 2012
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Landsat satellites find the 'sweet spot' for crops
Farmers are using maps created with free data from NASA and the U.S. Geological Survey's Landsat satellites that show locations that are good and not good for growing crops.
Sep 27, 2012
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Sorghum eyed as a southern bioenergy crop
Sweet sorghum is primarily grown in the United States as a source of sugar for syrup and molasses. But the sturdy grass has other attributes that could make it uniquely suited to production as a bioenergy ...
Sep 17, 2012
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