News tagged with soil fertility
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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From the ancient Amazonian Indians: A modern weapon against global warming
Scientists are reporting that "biochar" -- a material that the Amazonian Indians used to enhance soil fertility centuries ago — has potential in the modern world to help slow global climate change. Mass production ...
Jan 13, 2010 |
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Fertilizers may not help poorest African farmers
(PhysOrg.com) -- Researchers have linked poverty in sub-Saharan Africa with poor soil health, but two new Cornell studies find that the recommended practice of applying more fertilizer may not help the poorest ...
Sep 24, 2009 |
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Roots key to second Green Revolution (w/ Video)
Root systems are the basis of the second Green Revolution, and the focus on beans and corn that thrive in poor growing conditions will help some of the world's poorest farmers, according to a Penn State plant ...
Feb 21, 2010 |
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Diverse ecosystems are crucial climate change buffer
Preserving diverse plant life will be crucial to buffer the negative effects of climate change and desertification in in the world's drylands, according to a new landmark study.
Jan 12, 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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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 ...
Jan 13, 2011 |
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Pesticide exposure found to increase risk of Parkinson's disease
(PhysOrg.com) -- The fertile soil of California's Central Valley has long made it famous as one of the nation's prime crop-growing regions. But it's not just the soil that allows for such productivity. Crops ...
Medicine & Health / Diseases, Conditions, Syndromes
Apr 21, 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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Switchgrass lessens soil nitrate loss into waterways
By planting switchgrass and using certain agronomic practices, farmers can significantly reduce the amount of nitrogen and nitrates that leach into the soil, according to Iowa State University research.
Space & Earth / Earth Sciences
Aug 09, 2010 |
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Analysis raises atmospheric, ecologic and economic doubts about forest bioenergy
A large, global move to produce more energy from forest biomass may be possible and already is beginning in some places, but scientists say in a new analysis that such large-scale bioenergy production from ...
Apr 18, 2012 |
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Study highlights massive imbalances in global fertilizer use
Synthetic fertilizers have dramatically increased food production worldwide. But the unintended costs to the environment and human health have been substantial. Nitrogen runoff from farms has contaminated ...
Jun 18, 2009 |
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More Proof of Outer Membrane Cytochrome Role in Electron Transfer
(PhysOrg.com) -- Another step toward improving understanding of electron exchange between microbes and minerals has been documented in the January 2010 issue of Geobiology. Bacteria such as the metal-reducing Shewan ...
Apr 19, 2010 |
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Study finds greenhouse gas reduction strategy may be safe for soil animals
A new study has found that an emerging tool for combating climate change may cause less harm to some soil animals than initial studies suggested.
Jun 01, 2011 |
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Plant diversity is key to maintaining productive vegetation
Vegetation, such as a patch of prairie or a forest stand, is more productive in the long run when more plant species are present, a new University of Minnesota study shows. The unprecedented long-term study of plant biodiversity ...
May 03, 2012 |
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