Tag: "soil" at biology news
American Chemical Society's Weekly PressPac -- Aug. 8, 2007
...the environment. It shows promise for cleaning up soil
contaminated with TNT, a widely used military expl...human health threat. Researchers knew that certain soil
bacteria could metabolize and change trinitrotoluene (TNT) into nontoxic compounds. But those natura...
Pollution causes 40 percent of deaths worldwide, study finds
...t of deaths worldwide are caused by water, air and soil
pollution, concludes a Cornell researcher. Such en...gh direct contact or via food and water. Increased soil
erosion worldwide not only results in more soil
being blown but spreading of disease microbes and va...
Climate change and permafrost thaw alter greenhouse gas emissions in northern wetlands
...oratory, Turetsky, assistant professor of crop and soil
sciences and fisheries and wildlife, found that pe...n peatlands tends to result in the slumping of the soil
surface and flooding, followed by a complete change in vegetation, soil
structure, and many other im...
Conventional plowing is 'skinning our agricultural fields'
...ld population are combining to deplete the Earth's soil
supply, a new study confirms. In fact, long-established practices appear to increase soil
erosion to the point that it is not offset by soil
creation, said David Montgomery, a University of ...
Can hemp help the everglades?
...ADISON, WI, JULY 26, 2007 Within Southern Florida, soil
and water conditions indicate potential for leachi... enriching soil. Sunn hemp can be grown to prevent soil
erosion, as high-protein forage, and in older plants, it can be used to make cloth, twine, and rope....
Anthrax bacterium's deadly secrets probed
...ng bacterium. It has the ability to lie dormant in soil
for, in some cases, hundreds of years and then to cause a rapid, often fatal, illness when ingested by a suitable animal host. Bioterrorists have exploited this ability to deadly effect. Dr. Anil Wipat, Professor Colin Harwood, Tracy Craddock and ...
Improved NIST SRM aids lead poisoning detection
...sed paint in older buildings, or from contaminated soil
near highways where vehicles once used leaded gasoline. Lead levels in children have dropped since lead was banned from both paint and fuel, but they remain significant. In 1990 the U.S. Department of Health and Human Services (DHHS) established as a...
National Ecological Observatory Network featured at ESA/SER Joint International Conference
...cales-from biosphere dynamics to microorganisms in soil
and water. Now they are preparing to build it. The National Ecological Observatory Network is a continental-scale research platform for discovering and understanding how changes in climate, land use, and invasive species impact ecology. NEON will s...
Chickens dieting to help Delaware waterways
...sphorus is available to potentially leach from the soil
or be carried off in storm water to a river or bay...nalyses by David Hansen, UD assistant professor of soil
and environmental quality, there are now about 19 pounds of phosphorus in a ton of Delaware poultry ...
ESA mission highlighted at remote sensing conference
...as been developed that is capable of deriving both soil
moisture and ocean salinity by capturing images of...d started analysing the measurements." Although soil
only holds a small percentage of the total global water budget, soil
moisture plays an important rol...
Researchers find pathway that controls cell size and division
... to link nutrient availability to cell size in the soil
bacterium Bacillus subtilis. Levin and her lab are looking into the factors that control the timing and position of cell division in B. subtilis. B. subtilis serves as the model system for a large family of bacteria that includes the causative agen...
Wider buffers are better
...ging nitrogen in watersheds. Other factors such as soil
saturation, groundwater flow paths, and subsurface chemical/organism relations are important for governing nitrogen removal in buffers. Vegetation type also may be an important factor in certain landscapes and hydrologic settings where forested buffe...
Wild weather forces farmers to adapt
...crop sequences on crop production, plant diseases, soil
residue coverage, and soil
water depletion. The crop by crop-residue matrix approach along with the multidisciplinary researc...
Scientists find stem cell switch
...ve discovered how plant stem cells in roots detect soil
structure and whether it is favourable for growth. Poor soil
structure is a problem in tropical agriculture, where soil
becomes compact as it dries out. We be...
Alternative farming cleans up water
... 19, 2007 -- Although the addition of nutrients to soil
helps to maximize crop production, fertilizer can leach nutrients, polluting the water supply. A recent study by researchers at the University of Minnesota shows alternative cropping practices may help to protect the environment by reducing high nitr...
A new report, 'Where Does the Nano Go? End-of-Life Regulation of Nanotechnologies'
...dfills or incineratorsand eventually into the air, soil
and water. As a result, it is important to consider how various forms of nanomaterials will be disposed of and treated at the end of their use, and how the regulatory system will treat such materials at the various stages of their lifecycle. A new ...
American Chemical Society's Weekly PressPac -- July 11, 2007
...d. Increases corresponded with the accumulation of soil
organic matter in organic plots and with reduced fertilization rates. Well-quantified changes in tomato nutrients over years in organic farming systems have not been reported previously. ARTICLE #2 FOR IMMEDIATE RELEASE Ten-Year Comparison of the I...
A new plant-bacterial symbiotic mechanism promising
... thanks to its ability to live in association with soil
bacteria of the Rhizobium, genus, capable of fixing nitrogen from the air. When these bacteria come into contact with their host plant, they trigger in the roots the formation and development of organs, termed nodules, where they continue to live. Th...
Changing climate will challenge Northeast agriculture, CU expert warns
... and tilling less to reduce the burn off of stored soil
carbon that releases carbon dioxide into the atmosphere and using less nitrogen fertilizer, which produces nitrous oxide, a potent greenhouse gas....
5 OHSU faculty members singled out for honors
... iron for cleaning up contaminants in groundwater, soil
and sediments. Recognizing that most new frontiers of science are at the interface between disciplines, he has been a champion of developing interdisciplinary education for students. In organizing a special session on nanotechnology in a recent natio...
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