News tagged with soil
Related topics: plants , climate change , nitrogen , atmosphere , carbon
Using biochar to boost soil moisture
Scientists at the U.S. Department of Agriculture (USDA) are leading the way in learning more about "biochar," the charred biomass created from wood, other plant material, and manure.
Nov 08, 2011 |
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Calculating fussiness
How fussy is a plant? A new measurement method developed by Alterra, part of Wageningen UR, gives the answer in a simple number.
Nov 07, 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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Plutonium's unusual interactions with clay may minimize leakage of nuclear waste
As a first line of defense, steel barrels buried deep underground are designed to keep dangerous plutonium waste from seeping into the soil and surrounding bedrock, and, eventually, contaminating the groundwater. But after ...
Nov 03, 2011 |
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Drying intensifying wildfires, carbon release ninefold, study finds
Drying of northern wetlands has led to much more severe peatland wildfires and nine times as much carbon released into the atmosphere, according to new research led by a University of Guelph professor.
Nov 01, 2011 |
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Closing the phosphorous-efficiency gap
Ways to reduce the costs of phosphorus fertiliser use on farms – critical for sustaining high agricultural production in many Australian farming systems – have been identified in a new suite of journal ...
Oct 24, 2011 |
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Plant defences - the mystery deepens
New research has brought us a step closer to untangling the complex reasons why certain plant species triumph over others.
Oct 21, 2011 |
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Study reveals for first time true diversity of life in soils across the globe, new species discovered
(PhysOrg.com) -- Microscopic animals that live in soils are as diverse in the tropical forests of Costa Rica as they are in the arid grasslands of Kenya or the tundra and boreal forests of Alaska and Sweden, ...
Oct 18, 2011 |
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Turning slash piles into soil benefit
Your next bite of an organically grown apple may hold within it a tiny bit of a Washington forest.
Oct 14, 2011 |
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New study finds 400,000 farmers in southern Africa using 'fertilizer trees' to improve food security
On a continent battered by weather extremes, famine and record food prices, new research released today from the World Agroforestry Centre documents an exciting new trend in which hundreds of thousands of poor farmers in ...
Oct 14, 2011 |
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Method of studying roots rarely used in wetlands improves ecosystem research
A method of monitoring roots rarely used in wetlands will help Oak Ridge National Laboratory researchers effectively study the response of a high-carbon ecosystem to elevated temperatures and levels of carbon ...
Oct 13, 2011 |
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Researcher offers toil-free tip to plant tulips
Just till and fill, and toil no more when planting tulip bulbs. A Cornell study shows that a much easier method of planting tulip bulbs is just as effective as digging the traditional 6 to 8 inch holes for ...
Oct 13, 2011 |
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Student unlocks secrets of mercury
More than one billion people around the world depend upon fish for protein in their diet. But the threat of mercury poisoning, especially in children, has raised concerns about the safety of eating fish.
Oct 13, 2011 |
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Six years and 12,000 holes: Cyprus mapped
It was a marathon project that took six years and the collection and analysis of some 12,000 soil samples, but an international team of geologists has managed to create the Geochemical Atlas of Cyprus.
Space & Earth / Earth Sciences
Oct 11, 2011 |
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