News tagged with soil science
Help students think like soil scientists
Emphasizing cross-disciplinary concepts in teaching soil science courses, such as mass-volume relationships, can help undergraduates learn real-world, problem-solving skills that are crucial to their success in soil science ...
Sep 28, 2009 |
5 / 5 (1) |
0
Scientists see water ice in fresh meteorite craters on Mars
(PhysOrg.com) -- Scientists are seeing sub-surface water ice that may be 99 percent pure halfway between the north pole and the equator on Mars, thanks to quick-turnaround observations from orbit of fresh ...
Space & Earth / Space Exploration
Sep 24, 2009 |
4.8 / 5 (16) |
3
New X-ray technique illuminates reactivity of environmental contaminants
Thanks to a new analytical method employed by researchers at the University of Delaware, scientists can now pinpoint, at the millisecond level, what happens as harmful environmental contaminants such as arsenic ...
Sep 15, 2009 |
3 / 5 (2) |
0
Over time, an invasive plant loses its toxic edge
Like most invasive plants introduced to the U.S. from Europe and other places, garlic mustard first found it easy to dominate the natives. A new study indicates that eventually, however, its primary weapon ...
Sep 01, 2009 |
4.7 / 5 (3) |
1
A hard rain's gonna fall: Analysis shows climate change to yield more extreme rainfall
(PhysOrg.com) -- Heavier rainstorms lie in our future. That's the clear conclusion of a new MIT and Caltech study on the impact that global climate change will have on precipitation patterns.
Space & Earth / Earth Sciences
Aug 17, 2009 |
3.7 / 5 (15) |
4
'Non-trivial' Crystallization Reveals Antibiotic's Molecular Mode of Action (w/ Video)
(PhysOrg.com) -- With the "last resort" antibiotic Vancomycin now plagued by the first signs of bacterial resistance, a scientific collaboration centered at Duke University has identified how a candidate successor antibiotic ...
Aug 03, 2009 |
5 / 5 (1) |
0
Nitrogen research shows how some plants invade, take over others
Biologists know that when plants battle for space, often the actual battle is for getting the nitrogen.
Jul 06, 2009 |
4 / 5 (1) |
0
Study highlights massive imbalances in global fertilizer use
(PhysOrg.com) -- 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 ...
Jun 22, 2009 |
4 / 5 (2) |
0
Illinois Soil Nitrogen Test measures microbial nitrogen
Contrary to the prevailing view, cereal crops derive the majority of their nitrogen from the soil, not fertilizer. Soils differ considerably in microbial activities that determine nitrogen-supplying power, and these differences ...
May 11, 2009 |
4 / 5 (1) |
0
Mars explorer says we'll find life on other planets within 10 years
Within 10 years, we'll find life outside Earth -- that's the prediction of Peter Smith, the University of Arizona professor who led NASA's Phoenix Mars Mission.
Space & Earth / Space Exploration
Apr 21, 2009 |
4.3 / 5 (44) |
11
Impact of floods on soils
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 ...
Apr 08, 2009 |
4 / 5 (1) |
0
Tree species composition influences nitrogen loss from forests
Throughout the world, nitrogen compounds are released to the atmosphere from agricultural activities and combustion of fossil fuels. These pollutants are deposited to ecosystems as precipitation, gases, and particles, sometimes ...
Mar 16, 2009 |
not rated yet |
0
Understanding phosphorus in soils is vital to proper management
Phosphorus is one of the key nutrients that can cause algal blooms and related water quality problems in lakes, rivers, and estuaries worldwide. Phosphorus entering waters originates from a variety of sources. Agricultural ...
Feb 04, 2009 |
not rated yet |
0
What we don’t know still hurts us, environmental researchers warn
Knowledge gaps continue to hobble scientists' assessments of the environment, a Michigan State University researcher and colleagues warn. Their warning follows sobering conclusions drawn from what they do know and could help ...
Jan 29, 2009 |
2.7 / 5 (7) |
3
The Orbiting Carbon Observatory and the Mystery of the Missing Sinks
(PhysOrg.com) -- Picture a tree in the forest. The tree "inhales" carbon dioxide from the atmosphere, transforming that greenhouse gas into the building materials and energy it needs to grow its branches and ...
Space & Earth / Earth Sciences
Jan 26, 2009 |
3.2 / 5 (5) |
2
