News tagged with phosphorus
Related topics: nitrogen
Peak P? Phosphorus, food supply spurs Southwest initiative
The mineral phosphorus (P) is critical to the creation of bones, teeth and DNA. "P" is also a key component of the fertilizers used to produce our food, as critical to agriculture as water. But is P, like ...
Apr 15, 2010 |
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Calculating agriculture's phosphorus footprint
Balancing phosphorus levels in crop lands is a key factor that is often overlooked in discussions of global food security, according to a paper published in the International Journal of Agricultural Resources, Governance an ...
Apr 13, 2010 |
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Scientists build 'single-atom transistor'
(PhysOrg.com) -- Researchers from Helsinki University of Technology (Finland), University of New South Wales (Australia), and University of Melbourne (Australia) have succeeded in building a working transistor, ...
Dec 06, 2009 |
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Small increases in phosphorus mean higher risk of heart disease
Higher levels of phosphorus in the blood are linked to increased calcification of the coronary arteries— a key marker of heart disease risk, according to a study in an upcoming issue of Clinical Journal of the American So ...
Medicine & Health / Diseases, Conditions, Syndromes
Nov 05, 2009 |
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Quantum Computer Chips Now One Step Closer To Reality
In the quest for smaller, faster computer chips, researchers are increasingly turning to quantum mechanics -- the exotic physics of the small. The problem: the manufacturing techniques required to make quantum devices have ...
Oct 15, 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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Searching for Alien Life, on Earth
If you spend an afternoon walking along the muddy shore of Mono Lake, with the eastern flank of the Sierra Nevada mountains looming majestically in the background, you’ll no doubt discover, as others have ...
Oct 05, 2009 |
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Mystery Solved: Marine Microbe Is Source of Rare Nutrient
(PhysOrg.com) -- A new study of microscopic marine microbes, called phytoplankton, by researchers at Woods Hole Oceanographic Institution (WHOI) and the University of South Carolina has solved a ten-year-old ...
Space & Earth / Earth Sciences
Sep 29, 2009 |
4.8 / 5 (23) |
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New research to unravel how nutrients drive toxic 'brown tides' on East Coast
NOAA has awarded Massachusetts-based Woods Hole Oceanographic Institution $120,000 as part of an anticipated three-year, nearly $500,000 project, to determine how nitrogen and phosphorus promote brown tides on the East Coast. ...
Sep 17, 2009 |
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Perennial vegetation, an indicator of desertification in Spain
A team of scientists has analyzed 29 esparto fields from Guadalajara to Murcia and has concluded that perennial vegetation cover is an efficient early warning system against desertification in these ecosystems. ...
Sep 04, 2009 |
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Water quality improves after lawn fertilizer ban, study shows
(PhysOrg.com) -- In an effort to keep lakes and streams clean, municipalities around the country are banning or restricting the use of phosphorus-containing lawn fertilizers, which can kill fish and cause ...
Aug 17, 2009 |
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Silicon with afterburners: New process could be boon to electronics manufacturer
Scientists at Rice University and North Carolina State University have found a method of attaching molecules to semiconducting silicon that may help manufacturers reach beyond the current limits of Moore's ...
Nanotechnology / Nanomaterials
Jul 23, 2009 |
4.7 / 5 (11) |
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Feed your crop, not the weeds
If you have weed problems in your cropping system, will adding nutrients just feed the weeds?
Jun 23, 2009 |
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Newly discovered snow roots are 'evolutionary phenomenon'
It may not be the Yeti, but in a remote region of the Russian mountains a previously unknown and entirely unique form of plant root has been discovered. Lead Scientist Professor Hans Cornelissen and his Russian-Dutch team ...
Jun 12, 2009 |
4.3 / 5 (8) |
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Double trouble for water life
Excess phosphorus and nitrogen produced by human activities on neighboring land is making its way into our coastal waters and degrading both water quality and aquatic life. Although historically the priority has been to control ...
May 18, 2009 |
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