News tagged with soil nitrogen
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
Jun 23, 2011 |
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Natural levels of nitrogen in tropical forests may increase vulnerability to pollution
(PhysOrg.com) -- Waterways in remote, pristine tropical forests located in the Caribbean and Central America contain levels of nitrogen comparable to amounts found in streams and rivers flowing through polluted forests in ...
Mar 06, 2012 |
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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 ...
Nov 03, 2011 |
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Nitrogen in the soil cleans the air
Eutrophication harms the environment in many ways. Unexpectedly, nitrogen fertilizer may also be positive for the environment. And even acidic soils, promoting the destruction of forests, can have a positive ...
Aug 19, 2011 |
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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 ...
May 25, 2011 |
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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
Apr 06, 2011 |
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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 ...
Mar 30, 2011 |
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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. ...
Nov 05, 2009 |
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Cooking Up Water From the Moon? NASA Studies Water Extraction With Microwaves
(PhysOrg.com) -- Intrigued by NASA lunar missions in the 1990s which suggested the existence of ice within craters at the moon's poles, NASA scientist Dr. Edwin Ethridge and his team started cooking up a way ...
Space & Earth / Space Exploration
Oct 19, 2009 |
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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
Oct 12, 2009 |
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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 ...
Oct 09, 2009 |
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Nitrogen research shows how some plants invade, take over others
Biologists know that when plants battle for space, often the actual battle is for getting the nitrogen.
Jul 06, 2009 |
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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 ...
Jun 02, 2009 |
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A genetic alternative to fertilizer
Several studies have shown that a lack of nitrogen in soils adversely affects crop yields. The modern use of nitrogen fertilizers has improved yields to meet expanding global food demand, but in some cases ...
Jun 01, 2012 |
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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 ...
Apr 12, 2012 |
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