When exposed to nitrogen fertilizer over a period of years, nitrogen-fixing bacteria called rhizobia evolve to become less beneficial to legumes - the plants they normally serve, researchers report in a new study.
Environment
Feb 23, 2015
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How important is the soil beneath our feet to what grows above it?
Environment
Oct 16, 2014
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Because of its aggressive behavior and its harmful effects, the invasive prairie plant Lespedeza cuneata has been added to several noxious weed lists.
Ecology
Oct 8, 2014
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INRA research scientists in Dijon have shown that the ability of soils to eliminate N2O can mainly be explained by the diversity and abundance of a new group of micro-organisms that are capable of transforming it into atmospheric ...
Environment
Aug 28, 2014
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Farmers face a balancing act when deciding how much fertilizer to apply. Applying too much wastes money and adds to nutrient runoff problems. Applying too little reduces yields.
Environment
Jul 11, 2014
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Organic farmers use cover crops and organic fertilizers, compost and other amendments to add nutrients to their soil. But are they getting the best bang for their buck?
Environment
Jun 6, 2014
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No-till crop production provides benefits through reduced soil erosion and soil moisture loss, which potentially increases yield. However, no-till fields with wheat stubble may need a nitrogen boost in the spring above that ...
Environment
May 2, 2014
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(Phys.org) —If you pull up a soybean or bean plant and shake off the dirt, you might see odd swellings or bumps, like rheumatic finger joints, on its roots. Inside the cool, soil-covered bumps are bacteria that are making ...
Cell & Microbiology
Apr 29, 2014
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(Phys.org) —Ongoing work by University of Alberta researcher Scott Chang is providing cautious optimism about how forest soil and trees are coping with oilsands development in Northern Alberta.
Environment
Dec 19, 2013
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Scientists have discovered a bacterium that could reduce the use of fertiliser in sugarcane production and improve yield.
Biotechnology
Dec 18, 2013
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