Posts Tagged ‘soil’
Thawing Arctic keeps its grip on carbon
UC SANTA BARBARA (US) — The Arctic has warmed up over the last twenty years, but researchers find that the amount of carbon trapped in the soil remains steady. Continue…
Tuesday, May 21, 2013 11:02 - 0 Comments
Earth & Environment - Apr 3, 2013 8:51 - 0 Comments
To cut emissions, match fertilizer to soil
UC DAVIS (US) — Changes in agricultural practices could reduce soil emissions of the greenhouse gas nitrous oxide and the atmospheric pollutant nitric oxide, report scientists. (more…)
Earth & Environment - Apr 1, 2013 13:25 - 3 Comments
New forests trap carbon underfoot
U. MICHIGAN (US) — Growing trees on formerly non-forested land can accumulate soil carbon that helps offset carbon emissions and climate change, say researchers. (more…)
Health & Medicine - Mar 13, 2013 10:27 - 0 Comments
Fertilizer adds selenium to Malawi food crops
U. NOTTINGHAM (UK) — Soil in Malawi often lacks enough selenium for adequate nutrition, according to researchers who say enriched fertilizer could raise levels of the mineral in the country’s food. (more…)
Science & Technology - Mar 12, 2013 16:53 - 0 Comments
Gene x3 helps corn grow in acidic soil
U. FLORIDA (US) — A genetic variation makes it possible for corn to grow in soil that contains high levels of aluminum, a chemical that is toxic to many plants. (more…)
Earth & Environment - Feb 18, 2013 12:35 - 2 Comments
Clean groundwater needs a ‘blue revolution’
PENN STATE (US) — Clean water and air are signs of a healthy ecosystem, but we tend to overlook the critical part of the environment that’s right beneath our feet. (more…)
Society & Culture - Jan 30, 2013 17:35 - 0 Comments
Archaic tribe built mound in under 90 days
WASHINGTON U. – ST. LOUIS (US) — The speedy construction of an earthen mound challenges assumptions about the social structure of early American hunter-gatherers. (more…)
Earth & Environment - Jan 25, 2013 16:21 - 0 Comments
Nanotubes can harm beneficial soil microbes
PURDUE (US) — Some carbon nanotubes used for strengthening plastics may have an adverse effect on soil microbiology. (more…)
Science & Technology - Jan 16, 2013 17:35 - 2 Comments
Buried films keep thirsty plants growing
MICHIGAN STATE (US) — New water-saving membranes increased corn and vegetable production on test farms, despite drought conditions. (more…)
Earth & Environment - Dec 27, 2012 17:03 - 1 Comment
Amazon’s diversity loss shows up in the soil
MICHIGAN STATE (US) — Researchers worry that a loss of genetic variation in microbial communities in the Amazon’s converted agricultural land could negatively affect the entire ecosystem. (more…)
Earth & Environment - Dec 18, 2012 13:03 - 3 Comments
Soil controls where phosphorus ends up
BROWN (US) — Looking at soybean crops in Brazil, Argentina, and Iowa reveals that soils have taken on a new role: mediating the environmental consequences of modern farming. (more…)
Earth & Environment - Nov 28, 2012 15:27 - 0 Comments
Pine forest microbes need ‘fog drip’ to thrive
UC SANTA BARBARA (US) — By linking foggy conditions to microbes in the forest floor’s soil, scientists show the impact of low-altitude clouds on the carbon cycle. (more…)
Science & Technology - Nov 28, 2012 10:33 - 0 Comments
To save energy: take dirt, add heat
MICHIGAN STATE (US) — Researchers have developed a new thermoelectric material by using common minerals found pretty much anywhere there’s dirt. (more…)
Earth & Environment - Nov 6, 2012 15:18 - 0 Comments
Erosion’s hand in releasing buried carbon
UC DAVIS (US) — Erosion can bury carbon in the soil, acting as a carbon sink, but part of that sink is only temporary, a new study suggests. (more…)
Earth & Environment - Nov 1, 2012 11:39 - 0 Comments
As planet heats up, fertile soil isn’t guaranteed
PURDUE (US) — A new study casts doubt on the assumption that warmer climates will speed the return of nitrogen to soils, making them more fertile for plants. (more…)
Science & Technology - Oct 18, 2012 12:10 - 2 Comments
To lurk in soil, anthrax spawn in amoeba
U. VIRGINIA (US) — Anthrax spores don’t just sit dormant in soil—they can grow and reproduce by using amoeba as incubators, a new study shows. (more…)
Health & Medicine - Aug 31, 2012 12:44 - 0 Comments
Human, soil germs swap drug-resistant genes
WASHINGTON U. – ST. LOUIS (US) — Bacteria in soil and those that cause human diseases have recently swapped at least seven antibiotic-resistance genes, say researchers. (more…)
Science & Technology - Sep 27, 2011 16:45 - 1 Comment
Plants create water-rich spots around roots
UC DAVIS (US) — Soil scientists have shown for the first time that the soil around plant roots contains more water than does soil in other areas. (more…)
Earth & Environment - Dec 10, 2010 16:42 - 0 Comments
State’s iron legacy still toxic to soil
PENN STATE (US) — Some areas of soil in the state of Pennsylvania contain 14,000 parts per million of manganese—more than 17 times as much as in the surrounding bedrock. (more…)
