News tagged with soil conditions
Engineers research effects of heat expansion on economically efficient bridge design (w/ Video)
Jun 26, 2009 |
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Kansas State University researchers are studying the effects of integral bridge expansion resulting from heat to make these types of bridges a more viable alternative.
New digital map of Africa's depleted soils to offer insights critical for boosting food production
Jan 13, 2009 |
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Responding to sub-Saharan Africa's soil health crisis, the International Center for Tropical Agriculture (CIAT) announced today an ambitious new effort to produce the first-ever, detailed digital soil map for all 42 countries ...
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Impact of floods on soils
Apr 08, 2009 |
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A recent study conducted in the Midwestern United States examined the effects of harsh wet conditions on both cultivated and uncultivated soils, vastly advancing the knowledge of water's effects on aggregation. Soil aggregation ...
Soil carbon storage is not always influenced by tillage practices
Feb 25, 2009 |
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The practice of no-till has increased considerably during the past 20 yr. Soils under no-till usually host a more abundant and diverse biota and are less prone to erosion, water loss, and structural breakdown than tilled ...
Free Spirit: Longer Rover Tests Beginning
Space & Earth / Space Exploration
Jul 27, 2009 |
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(PhysOrg.com) -- Mars rover team members have begun a new phase of testing at JPL -- using longer-duration experiments -- in their preparations for driving Spirit again on Mars.
Studying Fertilizers to Cut Greenhouse Gases
Nov 18, 2009 |
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(PhysOrg.com) -- Agricultural Research Service (ARS) scientists have found that using alternative types of fertilizers can cut back on greenhouse gas emissions, at least in one part of the country. They are ...
A model to measure soil health in the era of bioenergy
Nov 19, 2008 |
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One of the biggest threats to today's farmlands is the loss of soil organic carbon (SOC) and soil organic matter (SOM) from poor land-management practices. The presence of these materials is essential as they do everything ...
Where is your soil water? Crop yield has the answer
Jul 01, 2008 |
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Crop yield is highly dependent on soil plant-available water, the portion of soil water that can be taken up by plant roots. Quantitative determination of the maximum amount of plant-available water in soil using traditional ...
Understanding Why Rye Works as a Cover Crop
Oct 19, 2009 |
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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.
Mars probe Phoenix flexes robotic arm
Space & Earth / Space Exploration
May 29, 2008 |
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NASA's Phoenix Mars lander flexed its robotic arm Thursday in a successful test of the key element in the probe's mission to investigate the Red Planet's soil for conditions conducive to life, NASA said.
No-tillage plus
Jul 28, 2008 |
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Tropical soils often behave differently than temperate soils when being farmed. In tropical regions, soils lose nutrients quickly when cultivated. With food shortages looming and soil quality declining rapidly, new farming ...
Climate Change Triggered Dwarfism in Soil-Dwelling Creatures of the Past
Other Sciences / Archaeology & Fossils
Oct 06, 2009 |
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(PhysOrg.com) -- Ancient soil-inhabiting creatures decreased in body size by nearly half in response to a period of boosted carbon dioxide levels and higher temperatures, scientists have discovered.
List of search results for soil conditions
