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Getting to the Root of the Matter
Like most things that exist underground, plant roots are out-of-sight and easily forgotten, but while flowers, leaves, and other aboveground plant parts are more familiar, plant roots are equally deserving of our appreciation. Beneath every towering tree, tasty crop, and dazzling ornamental lies a root system that makes it all possible. Roots... view more... (2008-08-20)
Previously unknown bacterium belonging to a new genus found in a termite intestine
Out of 2300 species of termite recorded in the world, only a small number can be considered as devastators of wood. These insects are in reality highly diversified in their feeding and nutritional regimes, which allows them to assimilate plant material in various forms: whereas some species derive nutrition from dry wood (the xylophages) or plant... view more... (1999-03-02)
Satellite images aid implementation of agricultural reforms
An ESA-backed project has demonstrated how Earth observation satellites can assist in the cross compliance measures - a set of environmental and animal welfare standards that farmers have to respect to receive full funding from the European Union - included in the 2003 reforms of the Common Agricultural Policy. view more (2007-04-16)
Earthworm activity can alter forests' carbon-carrying capabilities
Earthworms can change the chemical nature of the carbon in North American forest litter and soils, potentially affecting the amount of carbon stored in forests, according to Purdue University researchers. view more (2008-10-28)
Illinois research zeroing in on optimum soil nitrogen rates
A new study to evaluate the Illinois Soil N Test (ISNT) calls into question traditional soil fertility recommendations and promises a radical new soil-based approach that will benefit crop yields, the environment, and the bottom line for farmers. view more (2005-09-01)
Professor hopes to help high elevation pines grow
Thread-like fungi that grow in soils at high elevations may play an important role in restoring whitebark and limber pine forests in Canada. view more (2009-07-20)
A cushion of air trapped under the rice fields of Senegal
Rice cultivation uses great volumes of water, especially where the submerged-field method involving surge flooding irrigation is practised. Maintenance of a layer of water on the soil surface throughout the cropping period usually favours its infiltration deeper down. However, it has been known for many years that in some regions water often does... view more... (2004-04-15)
New study shows fish respond quickly to changes in mercury deposition
Reducing atmospheric mercury emissions should quickly reduce mercury levels in lake fish, according to a three-year study published this week in the Proceedings of the National Academy of Science. view more (2007-09-20)
Sleeping beauties test the toxicity of the natural world
Scientists have developed a 'magic box' containing dormant organisms that can be woken up anytime and anywhere to test the toxicity of contaminated waters and soils. This new technology, called Toxkits, will be described by Professor Guido Persoone (Gent University, Belgium) and Dr. Kirit Wadhia (ALcontrol laboratories) on Monday 29th March at the... view more... (2004-03-24)
Improving Swine Waste Fertilizer
Swine production generates large amounts of waste. While this waste contains nutrients that may serve as fertilizer when applied to agricultural fields, the ratio of nutrients in the waste is different than what a crop requires. view more (2008-07-09)
Plants' management of nutrient suggests environmental remedies
A new understanding of how plants manage their internal calcium levels could potentially lead to genetically engineering plants to avoid damage from acid rain, which robs soil of much of its calcium. view more (2007-03-09)
A common genetic mechanism discovered in nitrogen-fixing plants
Some soil microorganisms are capable of forging associations with plant roots in the form of symbioses. Certain of these relationships play a highly important ecological and agronomic role. view more (2008-03-11)
A new plant-bacterial symbiotic mechanism promising for crop applications
The growth of most plants depends on the presence of sufficient amounts of nitrogen contained in the soil. However, a family of plants, the legumes, is partially free of this constraint thanks to its ability to live in association with soil bacteria of the Rhizobium, genus, capable of fixing nitrogen from the air. view more (2007-06-06)
Groundbreaking Canada-US study proves link between emissions and mercury pollution in fish
A groundbreaking environmental study to be published in a prestigious American science journal proves that mercury atmospheric emissions will end up in fish in as little as three years. view more (2007-09-18)
Tunisia: Small Dams Useful For Maintaining Aquifer Levels
In Tunisia, fierce, sometimes catastrophic, flooding is favoured by sudden bursts of rainfall and by erosion- prone soils. This is especially the case in the large wadis in the centre of the country. Large amounts of sediment flow into reservoirs, reducing the useful life of the dams and destroying and depleting the soils in the drainage basins.... view more... (2001-10-11)
Bad sign for global warming: Thawing permafrost holds vast carbon pool
Permafrost blanketing the northern hemisphere contains more than twice the amount of carbon in the atmosphere, making it a potentially mammoth contributor to global climate change depending on how quickly it thaws. view more (2008-09-04)
Heaps of climate gas - Pasturing cows convert soil to a source of methane
The cow as a killer of the climate: This inglorious role of our four-legged friends, peaceful in itself, is well-enough recognised, because, with their digestion, the animals produce methane, which is expelled continuously. view more (2007-10-15)
Alternatives to the use of nitrate as a fertiliser
In order to develop sustainable agricultural production, what is required is a study of nitrogenated sources as alternatives to the nitrates that predominate in agricultural soils and that have a greater contaminant capacity. view more (2006-04-19)
UC Riverside researchers release new variety of asparagus
UC Riverside researchers have released a new variety of asparagus that offers a higher yield than previous varieties of the vegetable and boasts an excellent spear quality, marked by a high percentage of marketable spears. view more (2006-02-15)
British breadmaking wheats are selenium deficient
Research just published has revealed selenium (Se) levels in British bread-making wheats ten to fifty fold lower than in their American or Canadian counterparts. Bread made from such wheat will fail to help consumers meet the Se intake levels recommended for human health. Ironically, reduced pollution may be partly to blame, "A general deficiency... view more... (2002-08-01)
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