News tagged with soil nitrogen

Common nanoparticles found to be highly toxic to Arctic ecosystem

Queen's researchers have discovered that nanoparticles, which are now present in everything from socks to salad dressing and suntan lotion, may have irreparably damaging effects on soil systems and the environment.

Nanotechnology / Bio & Medicine

created Apr 06, 2011 | popularity 5 / 5 (9) | comments 6 | with audio podcast

Global warming may affect the capacity of trees to store carbon, study finds

One helpful action anyone can take in response to global warming is to plant trees and preserve forests. Trees and plants capture carbon dioxide during photosynthesis, thereby removing the most abundant greenhouse ...

Space & Earth / Environment

created May 25, 2011 | popularity 4 / 5 (10) | comments 15 | with audio podcast

Solar wind samples give insight into birth of solar system

(PhysOrg.com) -- Two papers in this week's issue of Science report the first oxygen and nitrogen isotopic measurements of the Sun, demonstrating that they are verydifferent from the same elements on Earth. ...

Space & Earth / Space Exploration

created Jun 23, 2011 | popularity 5 / 5 (8) | comments 5 | with audio podcast

Ants, termites boost wheat yields

(PhysOrg.com) -- In an exciting experiment with major implications for food production under climate change, CSIRO and University of Sydney scientists have found allowing ants and termites to flourish increased ...

Space & Earth / Environment

created Mar 30, 2011 | popularity 4.9 / 5 (7) | comments 6 | with audio podcast

Tropical forests are fertilized by air pollution

Scientists braved ticks and a tiger to discover how human activities have perturbed the nitrogen cycle in tropical forests. Studies at two remote Smithsonian Institution Global Earth Observatory sites in Panama ...

Space & Earth / Environment

created Nov 03, 2011 | popularity 5 / 5 (6) | comments 3 | with audio podcast

Climate Change, Nitrogen Loss Threaten Plant Life in Arid Desert Soils

(PhysOrg.com) -- In the Mojave Desert winds howl across this hottest place in North America, blowing sands across Death Valley and through empty ghost towns, swirling across treeless land for hundreds of miles. ...

Space & Earth / Environment

created Nov 05, 2009 | popularity 3 / 5 (9) | comments 0

Drastic changes needed to curb N2O, most potent greenhouse gas: study

Meat consumption in the developed world needs to be cut by 50 per cent per person by 2050 if we are to meet the most aggressive strategy, set out by the Intergovernmental Panel on Climate Change (IPCC), to reduce one of the ...

Space & Earth / Environment

created Apr 12, 2012 | popularity 4.6 / 5 (5) | comments 6

Ozone, nitrogen change the way rising CO2 affects Earth's water

Through a recent modeling experiment, a team of NASA-funded researchers have found that future concentrations of carbon dioxide and ozone in the atmosphere and of nitrogen in the soil are likely to have an ...

Space & Earth / Environment

created Jul 09, 2009 | popularity 3.1 / 5 (7) | comments 0

Climate change enhances grassland productivity

More frequent freeze-thaw cycles in winter can increase biomass production according to the results of a recent study conducted by the Helmholtz Center for Environmental Research (UFZ), the University of Bayreuth ...

Space & Earth / Environment

created Jan 26, 2009 | popularity 3.5 / 5 (6) | comments 0

Scientists find new farming method to reduce greenhouse gases, increase farm yields

U.S. agricultural practices create 58 percent of nitrous oxide in the world, which is the third most prevalent greenhouse gas in the atmosphere. Scientists believe nitrous oxide contributes to global warming about 300 times ...

Space & Earth / Environment

created Jan 13, 2011 | popularity 4.2 / 5 (5) | comments 1

Ethanol production could jeopardize soil productivity

There is growing interest in using crop residues as the feedstock of choice for the production of cellulosic-based ethanol because of the more favorable energy output relative to grain-based ethanol. This would also help ...

Space & Earth / Environment

created Jun 02, 2009 | popularity 4.3 / 5 (4) | comments 3

Squeezing More Crop Out of Each Drop of Water

(PhysOrg.com) -- Studies in China and Colorado by Agricultural Research Service (ARS) scientists and cooperators have revealed some interesting tactics on how to irrigate with limited water, based on a crop’s ...

Biology / Other

created Oct 09, 2009 | popularity 3.8 / 5 (4) | comments 0

By Simulating Gullies, Geographers Discover Ways to Tame Soil Erosion

(PhysOrg.com) -- Dead zones in critical waterways, accelerated loss of arable land and massive famines. They're all caused by the 24 billion tons of soil that are lost every year to erosion, a phenomenon that ...

Space & Earth / Earth Sciences

created Oct 12, 2009 | popularity 5 / 5 (3) | comments 0

Sugarcane farming practices contribute to global warming

(PhysOrg.com) -- The global market for sugarcane is expanding, and new research at UQ is informing improved farming practices to reduce its environmental footprint.

Space & Earth / Environment

created May 05, 2010 | popularity 3 / 5 (5) | comments 2

Is biochar the answer for ag?

Scientists demonstrate that biochar, a type charcoal applied to soils in order to capture and store carbon, can reduce emissions of nitrous oxide, a potent greenhouse gas, and inorganic nitrogen runoff from agriculture settings. ...

Space & Earth / Environment

created Aug 02, 2010 | popularity 4.3 / 5 (3) | comments 1