News tagged with soil
Related topics: plants , climate change , nitrogen , atmosphere , carbon
Using ground covers in organic production
Studies by U.S. Department of Agriculture (USDA) scientists indicate that organic farmers who need to periodically amend their soils with compost after planting can still control weeds -- and hold down costs -- by using fabric ...
Aug 30, 2011 |
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Little plant has big stories to tell
(PhysOrg.com) -- Understanding which genes control traits, like when a plant will flower, what soil type is best or its ability to persist in drought conditions provides insight into the ability of plants ...
Aug 29, 2011 |
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Thawing permafrost could release vast amounts of carbon, accelerate climate change by the end of this century
(PhysOrg.com) -- Billions of tons of carbon trapped in high-latitude permafrost may be released into the atmosphere by the end of this century as the Earth’s climate changes, further accelerating global ...
Aug 23, 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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In Brief: Martian soil oxidation-reduction potential not too extreme for life
Ever since the NASA Viking mission, which reached Mars in 1976, there has been considerable interest in the composition of Martian soils.
Space & Earth / Space Exploration
Aug 18, 2011 |
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Schnitzel is bad for the environment
If you want to protect the environment, you should first of all think about eating less meat. An Austrian study done at the Vienna University of Technology (TU Vienna) unveils the remarkable ecological advantages ...
Aug 16, 2011 |
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Fish bones used to decontaminate soil in a lead-poisoned neighborhood
There's something fishy going on in West Oakland.
Aug 15, 2011 |
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Increased tropical forest growth could release carbon from the soil
A new study shows that as climate change enhances tree growth in tropical forests, the resulting increase in litterfall could stimulate soil micro-organisms leading to a release of stored soil carbon.
Aug 14, 2011 |
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Polar climate change may lead to ecological change
(PhysOrg.com) -- Ice and frozen ground at the North and South Poles are affected by climate change induced warming, but the consequences of thawing at each pole differ due to the geography and geology, according to a Penn ...
Aug 11, 2011 |
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Up-and-coming forests will remain important carbon sinks
(PhysOrg.com) -- The aging forests of the Upper Great Lakes could be considered the baby boomers of the region's ecosystem.
Aug 10, 2011 |
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Researchers study threats to white sturgeon
University of Georgia researchers are working to understand why the nation's largest freshwater fish, the white sturgeon, is struggling in northern California's Sacramento-San Joaquin Bay Delta, an environmentally endangered ...
Aug 08, 2011 |
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Did past climate change encourage tree-killing fungi?
The demise of the world's forests some 250 million years ago likely was accelerated by aggressive tree-killing fungi triggered by global climate change, according to a new study by a University of California, ...
Aug 06, 2011 |
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6 million years of savanna
University of Utah scientists used chemical isotopes in ancient soil to measure prehistoric tree cover – in effect, shade – and found that grassy, tree-dotted savannas prevailed at most East African ...
Aug 03, 2011 |
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Crop breeding could 'slash CO2 levels'
Writing in the journal Annals of Botany, Professor Douglas Kell argues that developing crops that produce roots more deeply in the ground could harvest more carbon from the air, and make crops more drought resistant, while ...
Aug 03, 2011 |
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Russia may lose 30% of permafrost by 2050
Russia's vast permafrost areas may shrink by a third by the middle of the century due to global warming, endangering infrastructure in the Arctic zone, an emergencies ministry official said Friday.
Space & Earth / Earth Sciences
Jul 29, 2011 |
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