News tagged with soil nitrogen
Findings prove Miscanthus x giganteus has great potential as an alternative energy source
Concerns about the worldwide energy supply and national, environmental and economic security have resulted in a search for alternative energy sources. A new University of Illinois study shows Miscanthus x ...
Jan 19, 2012 |
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Acid rain poses a previously unrecognized threat to Great Lakes sugar maples
(PhysOrg.com) -- The number of sugar maples in Upper Great Lakes forests is likely to decline in coming decades, according to University of Michigan ecologists and their colleagues, due to a previously unrecognized ...
Jan 16, 2012 |
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Soil microbiologists discover Aberdeen microbe of global agricultural significance
(PhysOrg.com) -- Organisms that oxidise ammonia were first discovered in 1890. Although a natural process, a major consequence of the activities of such organisms in soil is the transformation and loss of ...
Jan 10, 2012 |
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Seeing the forest under the trees
(PhysOrg.com) -- Scientists recently discovered nitrogen that falls from the atmosphere in acid rain can influence large tracts of sugar maples in North America.
Dec 08, 2011 |
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Nitrogen fertilizers' impact on lawn soils
Nitrogen fertilizers from farm fields often end up in aquatic ecosystems, resulting in water quality problems, such as toxic algae and underwater 'dead zones'. There are concerns that fertilizers used on lawns may also contribute ...
Nov 04, 2011 |
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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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Nitrogen loss expected with heavy rainfall
After 2 to 6 inches of rain fell on most of central South Dakota - and more in isolated areas - in the last couple weeks; South Dakota State University Extension Soil Specialist, Ron Gelderman, says some fields may experience ...
Jul 06, 2011 |
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Nitrogen guidelines for cereal forages
Cereal grains such as wheat and barley are viable alternative hay crops and can provide valuable grazing opportunities. Due to drought resistance, good yields and ability to break pest cycles of perennial crops, annual forages ...
Jun 24, 2011 |
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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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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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Nitrate fertiliser wasted on sugarcane
(PhysOrg.com) -- Rising nitrogen fertiliser application to sugarcane crops globally and the potential for this fertiliser to be leached from soil and lost to the atmosphere have been highlighted in a new study led by The ...
May 09, 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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Can biochar help suppress greenhouse gases?
Nitrous oxide is a potent greenhouse gas and a precursor to compounds that contribute to the destruction of the ozone. Intensively managed, grazed pastures are responsible for an increase in nitrous oxide ...
Mar 18, 2011 |
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