Search results for soil survey:
Describing soils: Calibration tool for teaching soil rupture resistance
Jan 05, 2009 |
not rated yet |
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A new calibration tool was recently developed to help students and soil scientists calibrate their thumb and forefinger for the correct amount of pressure.
Pathogenic soil bacterium is influenced by land management practices
Jan 21, 2009 |
5 / 5 (1) |
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Researchers from Menzies School of Health Research in Darwin, Australia have found that the soil bacterium Burkholderia pseudomallei, which causes the emerging infectious disease melioidosis in humans and animals, is ass ...
Scientists map soils on an extinct American volcano
Space & Earth / Earth Sciences
Oct 20, 2008 |
4.5 / 5 (10) |
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Union County New Mexico is a landscape of striking diversity. Out of expansive rangelands rise sporadic yet majestic cinder cone volcanoes and mesas preserved by basalt, part of the Raton-Clayton Volcanic Field. Capulin volcano, ...
Dioxin risk in soil and plant tissues after long-term biosolids application
Jul 14, 2008 |
3.8 / 5 (4) |
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Land application of biosolids (treated municipal sewage sludge) is a common practice because biosolids are a rich source of plant nutrients and organic matter. However, the presence of detectable levels of dioxins in biosolids ...
It's not just dirt!
Nov 25, 2009 |
4.2 / 5 (5) |
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Soil is the linchpin of the environment, where atmosphere, biosphere, and hydrosphere meet. Despite that, many students see soil as "just dirt" - a place to grow plants, but nothing more. Soil science educators are challenged ...
Ultra-fine coatings on sediment grains influence nitrate and sulfate storage in soil
Feb 23, 2009 |
5 / 5 (1) |
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Tiny sediment grains are covered with a very fine-grained, complex mixture of minerals in an open fabric that results in a large surface area in contact with water between the grains. Scientists at the U.S. Geological Survey ...
Survey: Dioxin levels high in Vietnam near US base
Sep 11, 2009 |
5 / 5 (2) |
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(AP) -- New environmental tests confirm extremely high levels of dioxin, the toxic ingredient of Agent Orange, in people, fish and soil near a former U.S. air base where American troops stored the herbicide ...
Wind, salt and water are leading indicators of land degradation in Abu Dhabi
May 06, 2009 |
3 / 5 (1) |
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Desert environments are characterized by poor vegetative cover, strong winds, dry, non-cohesive sandy soils, and hyper-arid conditions. In this context, the land resources of Abu Dhabi Emirate in the United Arab Emirates ...
Great Plains' historical stability vulnerable to future changes
Biology /
Oct 01, 2007 |
2 / 5 (1) |
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A survey of long-term trends in population, farm income, and crop production in the agricultural Great Plains concludes that threats to society and the environment are counterbalanced by “surprising stability” and the potential ...
When roots lose contact
Nov 30, 2009 |
5 / 5 (1) |
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Plant roots can shrink as a result of water deficit and lose contact with the surrounding soil. This effect has been suspected for a long time, but has only now been demonstrated for a fact with the help of ...
Global warming predictions are overestimated, suggests study on black carbon
Space & Earth / Earth Sciences
Nov 18, 2008 |
4.3 / 5 (55) |
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(PhysOrg.com) -- A detailed analysis of black carbon -- the residue of burned organic matter -- in computer climate models suggests that those models may be overestimating global warming predictions.
The making of Dig It! the Secrets of Soil exhibit
Space & Earth / Earth Sciences
Sep 26, 2008 |
3.7 / 5 (3) |
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At the 2008 Joint Annual Meeting in Houston, the Smithsonian's Design Team will explain details about the making of the new Dig It the Secrets of Soil exhibit that recently opened at the Natural History Museum ...
Airborne ecologists help balance delicate African ecosystem
Mar 02, 2009 |
5 / 5 (1) |
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The African savanna is world famous for its wildlife, especially the iconic large herbivores such as elephants, zebras, and giraffes. But managing these ecosystems and balancing the interests of the large ...
Understanding Why Rye Works as a Cover Crop
Oct 19, 2009 |
4 / 5 (1) |
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(PhysOrg.com) -- Agricultural Research Service (ARS) scientists may soon find a way to enhance the weed-killing capabilities of a cereal grain that enriches the soil when used as a winter cover crop.
New liquefaction hazard maps of Santa Clara Valley, Northern California
Space & Earth / Earth Sciences
Jan 27, 2009 |
3 / 5 (3) |
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New hazard maps for communities from San Jose to Palo Alto in Northern California delineate the probability of earthquake-induced liquefaction, based on three scenarios: a magnitude 7.8 on the San Andreas ...
