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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Apr 29, 2013
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Biochar reduces nasty nitrous oxide emissions on farms
(Phys.org) —In the quest to decrease the world's greenhouse gases, Cornell scientists have discovered that biochar – a charcoal-like substance – reduces the nemesis nitrous oxide from agricultural soil ...
Apr 29, 2013
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Research on ecosystems of the future has started
Source of organic matter affects Bay water quality
Each time it rains, runoff carries an earthy tea steeped from leaf litter, crop residue, soil, and other organic materials into the storm drains and streams that feed Chesapeake Bay.
Apr 23, 2013
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Where does charcoal, or black carbon, in soils go?
(Phys.org) —Scientists have uncovered one of nature's long-kept secrets—the true fate of charcoal in the world's soils. The ability to determine the fate of charcoal is critical to knowledge of the global ...
Apr 18, 2013
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Revealing the weapons by which bacteria fight each other
A new study which was performed jointly at Umea University and the University of Washington in Seattle, USA, discovered that bacteria can degrade the cell membrane of bacterial competitors with enzymes that do not harm their ...
Apr 04, 2013
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Pacific climate swings found to affect Western Indian Ocean rainfall
(Phys.org) —Giant ancient corals off the coast of Madagascar have revealed that climate swings thousands of kilometres away in the Pacific Ocean have a major impact on rainfall variations in the Western ...
Apr 04, 2013
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A better understanding of the impacts of grazing sheep
A U.S. Department of Agriculture (USDA) scientist is giving guidance to growers in Montana and the Dakotas on how grazing sheep when fields are left fallow will affect soil quality.
Mar 14, 2013
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Japan's cleanup lags from tsunami, nuke accident
(AP)—Two years after the triple calamities of earthquake, tsunami and nuclear disaster ravaged Japan's northeastern Pacific coast, debris containing asbestos, lead, PCBs—and perhaps most worrying—radioactive ...
Mar 10, 2013
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Organic rice research moves to front burner in Texas
Organic rice studies have moved to the front burner with almost $1 million in federal grants to Texas A&M AgriLife Research scientists.
Feb 19, 2013
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Marsh plants actively engineer their landscape
Sunlight stimulates release of climate-warming gas from melting Arctic permafrost, study says
Ancient carbon trapped in Arctic permafrost is extremely sensitive to sunlight and, if exposed to the surface when long-frozen soils melt and collapse, can release climate-warming carbon dioxide gas into ...
Feb 11, 2013
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Can simple measures of labile soil organic matter predict corn performance?
Some carbon nanotubes deplete beneficial microbes in certain soils
(Phys.org)—Some types of carbon nanotubes used for strengthening plastics and other materials may have an adverse effect on soil microbiology and soil microbial processes, a Purdue University study shows.
Jan 25, 2013
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Warmer soils release additional CO2 into atmosphere; Effect stabilizes over longer term
Warmer temperatures due to climate change could cause soils to release additional carbon into the atmosphere, thereby enhancing climate change – but that effect diminishes over the long term, finds a new ...
Jan 20, 2013
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