Experts advise world policies to cope with causes, rising consequences of creeping desertification
...e water resources; Enhance biodiversity within soils as well as the plants and animal worlds; and Diminish the health risk posed by a massive continental-sized haze that impacts Africa and India. Dr Lal says that by modestly improving soil quality in developing countries, an extra 20-30 millio...Plant biologist seeks molecular differences between rice and its mimic
...occur. These weedy strains then took hold in U.S. soils and began contaminating the U.S. cultivated specie...e weed is its dormancy its seed can lie viable in soils for up to 20 years. There also is a great amount of variation in different red rice strains....Scientists develop method to find genetic basis for plant variation
... coincidence that these coastal populations, where soils naturally have higher sodium concentrations, have a defective version of a gene involved in sodium regulation," Salt said, "But it also may not be. We are currently in the process of answering the original question of why. This methodology has gotten...Soil nutrients shape tropical forests, large-scale study indicates
...bution maps of 10 essential plant nutrients in the soils to species maps of all trees more than 1 centimete...Although plants in temperate forests influence the soils around them (through the uptake of nutrients, decomposition of leaf litter on the forest floor and t...Cypress replanting unsuccessful without dual cultivation with lavender or mycorrhizal fungi
...tation, are the first to colonize the stony eroded soils of these arid and semi-arid ecosystems. Soil analyses revealed that these species generate islands of fertility, resource islands, rich in nitrogen and phosphorus, as well as in mycorrhizal fungi with which these plants also live in symbiosis. Howeve...Bacteria could steady buildings against earthquakes
...ck. When a major earthquake strikes, deep, sandy soils can turn to liquid, with disastrous consequences for buildings sitting on them. Currently, civil engineers can inject chemicals into the soil to bind loose grains together. But these epoxy chemicals may have toxic effects on soil and water, said Jaso...New UD technology removes viruses from drinking water
...ion, involved testing virus transport potential in soils collected from different regions across the United States. Jin's group found that the soils high in iron and aluminum oxides removed viruses much more efficiently than those that didn't contai...Plants' management of nutrient suggests environmental remedies
...nt amounts of calcium from agricultural and forest soils as well as from plant leaves, according to Pei. "It has been found that some soils have lost as much as 75 percent of their calcium during the past century," he said. "One way to resp...Smithsonian scientists report new carbon dioxide study
...gs add a new perspective on the capacityof Earth's soils to store carbon, and a measure of caution suggesti...carbon under high CO2conditions. The CO2 loss from soils offset about 52 percent of theadditional carbon that had accumulated in the plants above ground and ...Microfossils unravel climate history of tropical Africa
...ory is more difficult than for the oceans, because soils on the continent do not form a continuous archive but are often eroded. The researchers developed an entirely new proxy for the annual mean air temperature on land, based on molecules from the cell membrane of soil inhabiting bacteria. They analysed ...Cooking up a solution for a culinary problem
...he amount of acrylamide produced. With over 20% of soils in Europe, Australia and other developed countries demonstrating low sulphur levels in their soils Prof. Halford suggests that the risk of acrylamide formation could be reduced by ensuring that cerea...Ancient coral reef tells the history of Kenya's soil erosion
...n landscape was in equilibriumrain washed out some soils moderately from decade to decade in a regular cycl...s and bushesthe plants that normally help hold the soils togetherthe next time you have a big rain or a flood, the soils go to the rivers." Although coloni...Event will dig and display Washington DC's soil -- Sunnyside
...n and sustainability. The USDA collection of state soils is scheduled to be displayed next year as part of the National Museum of Natural History's soils exhibit called "Worlds Underfoot." The museum is working with the Soil Science Society of America to...How much nitrogen is too much for corn?
...optimum nitrogen rates on well- and poorly drained soils and show promise as a tool for nitrogen management. "Additional research is needed to calibrate and validate the EONR versus ISNT relationships under a wider variety of conditions," says Williams. "Because the Illinois Soil Nitrogen Test predicted ...Tree rings show elevated tungsten coincides with Nevada leukemia cluster
...ast of Reno, Nev. Tungsten is naturally present in soils and rocks in Churchill County and other parts of Nevada. The metal was mined in the region around Fallon at various sites, including Churchill Butte. Tungsten, tungsten steels and tungsten carbide are used in hardened tools and tools exposed to hi...ACS News Service Weekly PressPac -- April 25, 2007
...ic effect on microbes. Nobody had run the test in soils before. The new study was done with soil that contained organic material and salts found naturally in soil. These materials may tie-up nanomaterials, thus reducing their bioavailability and toxicity, the researchers indicated. ARTICLE ##2 FOR IMMED...Alien plants attack using 'resource conservation' as weapon, researchers say
...awaii-a forested area with limited light, volcanic soils with low nutrients and a desert. They compared 19 invaders with 19 closely related indigenous plants-for example, an invasive raspberry versus a native raspberry. Using an electronic device that clamped onto the leaves of the plants, the scientists c...Scientists: As rainfall changes, tropical plants may acclimate
...ecause they share the same species, elevations and soils but have vastly different rainfall. The wettest ra...lant species at each site. They learned that drier soils contained more nitrogen in the form of nitrate, while wetter soils contained more nitrogen in the fo...Researchers develop way to calculate speed of bacterial sex
...ch things as transport of cells in porous media of soils and aquifers," explained Massoudieh. "It also can be used for extrapolative modeling to predict rates of gene transfer in certain cases, mainly environmental science scenarios, but also with relevance to some medical scenarios."...Scientists discover cost-effective ways to improve crop output in Uganda
...proving the productivity of the ancient, weathered soils of eastern Uganda is a major challenge for small-s...mers. Many Ugandan farmers are forced to work with soils with limited nitrogen and phosphorous availability. Often, the cost to treat soils outweighs crop pr...