News tagged with organic matter

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In Organic Cover Crops, More Seeds Means Fewer Weeds

(PhysOrg.com) -- Farmers cultivating organic produce often use winter cover crops to add soil organic matter, improve nutrient cycling and suppress weeds. Now these producers can optimize cover crop use by ...

Jan 26, 2010
2.5 / 5 (2) 0

Climate variability impacts the deep sea

Deep-sea ecosystems occupying 60% of the Earth's surface could be vulnerable to the effects of global warming warn scientists writing in the Proceedings of the National Academy of Sciences.

Nov 02, 2009
4.1 / 5 (7) 0

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

Fertilizers may not help poorest African farmers

(PhysOrg.com) -- Researchers have linked poverty in sub-Saharan Africa with poor soil health, but two new Cornell studies find that the recommended practice of applying more fertilizer may not help the poorest ...

Sep 24, 2009
5 / 5 (7) 0

How Mercury Becomes Toxic In The Environment

(PhysOrg.com) -- Naturally occurring organic matter in water and sediment appears to play a key role in helping microbes convert tiny particles of mercury in the environment into a form that is dangerous to ...

Aug 18, 2009
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