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Peas and beans get by with more than a little help from friends
The relationship between leguminous plants such as peas and beans and nitrogen-fixing bacteria is even closer than previously thought, with bacteria acting like an intrinsic part of the plant, according to research published in the journal Nature today. Researchers from the University of Reading... view more (2003-04-14)

Ammonia-loving archaea win landslide majority
A genetic analysis of soil samples indicates that a group of microorganisms called crenarchaeota are the Earth's most abundant land-based creatures that oxidize ammonia.   view more (2006-08-17)

Bangladesh to dramatically expand technology that doubles efficiency of urea fertilizer use
The Government of Bangladesh has announced that it will expand urea deep placement (UDP)-a technology that doubles the efficiency of urea fertilizer use-to almost 1 million hectares (ha) of rice land, reaching about 1.6 million farm families, in the coming boro or dry season.   view more (2007-12-19)

Higher carbon dioxide, lack of nitrogen limit plant growth
Earth's plant life will not be able to "store" excess carbon from rising atmospheric carbon dioxide levels as well as scientists once thought because plants likely cannot get enough nutrients, such as nitrogen, when there are higher levels of carbon dioxide   view more (2006-04-13)

Is Your Drinking Water Safe?
Lake Bloomington is a major source of drinking water for residents of Bloomington, IL, and has a history of nitrate concentrations that exceed safe levels. Because Lake Bloomington has a record of elevated nitrate levels, local residents are concerned over their drinking water quality.   view more (2008-02-29)

Abertay researchers in clover to unearth destructive bug
Scots scientists are playing a key role in a major new research effort which could save Britain's farmers millions of pounds a year through reductions in fertiliser and pesticide use. Biotechnology experts at the University of Abertay Dundee, in partnership with two organisations in England, have... view more (2002-04-04)

Before selling carbon credits, read this
Storing carbon in agricultural soils presents an immediate option to reduce atmospheric carbon dioxide and slow global warming.   view more (2007-05-21)

Elevated Carbon Dioxide Changes Soil Microbe Mix Below Plants
A detailed analysis of soil samples taken from a forest ecosystem with artificially elevated levels of atmospheric carbon dioxide (CO2) reveals distinct changes in the mix of microorganisms living in the soil below trembling aspen.   view more (2007-12-20)

Estimate Soil Texture-by-Feel
The ability to estimate soil texture-by-feel is an important skill that students and registered soil scientists should learn.   view more (2008-10-16)

Can biofuels be sustainable?
With oil prices skyrocketing, the search is on for efficient and sustainable biofuels. Research published this month in Agronomy Journal examines one biofuel crop contender: corn stover.    view more (2008-08-20)

New findings blow a decade of assumptions out of the water
The Atlantic Ocean doesn't receive the mother lode of fixed nitrogen, the building block of life, after all. Instead, comparing fathom for fathom, the Pacific and Indian oceans experience twice the amount of nitrogen fixing as the Atlantic.   view more (2007-01-11)

New research offers prioritization plan for reducing nutrient pollution in feeder streams
To help resource managers improve the health of coastal waters degraded by nutrient pollution, a group of scientists has developed a framework for prioritizing stream restoration efforts aimed at reducing the amount of nitrogen flowing downstream.   view more (2008-02-12)

Conventional plowing is 'skinning our agricultural fields'
Traditional plow-based agricultural methods and the need to feed a rapidly growing world population are combining to deplete the Earth's soil supply, a new study confirms.   view more (2007-08-09)

Dust storms may carry bacteria to Japan from China
Bacteria found in soil around Tokyo are not indigenous to the area. A study published in the open access journal Saline Systems reveals a large proportion of salt-loving bacteria in non-saline soil around Tokyo. The researchers suggest that dust storms may have carried the bacteria from their... view more (2005-10-20)

Air pollution may increase lung cancer risk
Chronic air pollution may increase the risk of lung cancer, suggests a Norwegian study of over 16,000 men in Thorax. Researchers monitored the health of 16, 209 men from 1972 until 1998. The men, all of whom lived in Oslo, were taking part in long term research on risk factors for heart disease and... view more (2003-12-03)

Complex carbon picture clearer
Study shows that more plant litter resulting from higher CO2 could boost the amount of carbon released into the atmosphere.   view more (2007-12-12)

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... view more (2007-06-06)

From the backyard to the ocean: New study shows streams act as key nitrogen filters
KNOXVILLE -- As spring arrives across the country, tourists returning to beaches will face the reality of "red tide" -- harmful blooms of algae that make water unfit for swimming and pose risks to humans and sea life.   view more (2008-03-13)

Experts support call for new focus on soil management
Professor Mark Kibblewhite, Director of the recently launched National Soil Resources Institute, today strongly supported calls by the Environment Agency for a new focus on environmentally-friendly soil management practices. This comes after publication by the Agency of a report on Agriculture and... view more (2002-06-18)

Glass fibre predicts uptake in earthworms
Dutch researchers have discovered that glass fibres absorb the same types and quantities of toxic substances from damp soils as earthworms, which form the basis of the current methods soil researchers use for toxicity analyses. The Institute for Inland Water Management and Waste Water Treatment... view more (2003-06-24)

Small streams mitigate human influence on coastal ecosystems
Healthy streams play a major role in minimizing the amount of human-generated pollutants, such as nitrogen, that are delivered downstream.   view more (2008-03-13)

Manipulating biotope space can enhance beneficial biodiversity effects
Using diverse plant mixtures instead of monocultures can increase yield and other ecosystem goods and services on which humans depend. Recent studies showed that such beneficial effects of biodiversity depend on complementarity between species in resource use, as is the case if species root in... view more (2004-06-10)

Removal of Nitrogen from Motor Exhaust Sulfur-resistant process
Who doesn’t want to save fuel? Vehicles with lean-burning engines are therefore gaining ground. These engines work with excess air and can run on noticeably less fuel. This spares thewallet of the frequent driver, and also releases less carbon dioxide into the atmosphere. However,these... view more (2000-08-16)

Increased carbon dioxide in atmosphere linked to decreased soil organic matter
A recent study at the University of Illinois created a bit of a mystery for soil scientist Michelle Wander - increased carbon dioxide in the atmosphere was expected to increase plant growth, increase plant biomass and ultimately beef up the organic matter in the soil -- but it didn't.   view more (2008-03-12)

Scientists: As rainfall changes, tropical plants may acclimate
Tropical plants may be more adaptable than commonly thought to changing rainfall patterns expected to accompany a warming climate, new research shows.   view more (2007-05-08)
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