News tagged with soil carbon

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Fertilizers may not help poorest African farmers

Fertilizers may not help poorest African farmers

Space & Earth / Environment

created Sep 24, 2009 | popularity 5 / 5 (7) | comments 0

(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 ...


Prairie soil organic matter shown to be resilient under intensive agriculture

Space & Earth / Environment

created Jan 15, 2009 | popularity 2.5 / 5 (2) | comments 0

(PhysOrg.com) -- A recent study has confirmed that although there was a large reduction of organic carbon and total nitrogen pools when prairies were first cultivated and drained, there has been no consistent pattern in these ...


Organic soils continue to acidify despite reduction in acidic deposition

Space & Earth / Environment

created Jan 12, 2009 | popularity not rated yet | comments 0

Following the Clean Air Act Amendments of 1970 and 1990 acidic deposition in North America has declined significantly since its peak in 1973. Consequently, research has shifted from studying the effects of acidic deposition ...


Miscanthus Harvest

Replacing corn with perennial grasses improves carbon footprint of biofuels

Biology /

created Dec 02, 2008 | popularity 4.6 / 5 (12) | comments 0

Converting forests or fields to biofuel crops can increase or decrease greenhouse gas emissions, depending on where – and which – biofuel crops are used, University of Illinois researchers report this month.


Global warming is changing organic matter in soil

Space & Earth / Earth Sciences

created Nov 24, 2008 | popularity 2.9 / 5 (33) | comments 7

(PhysOrg.com) -- New research shows that we should be looking to the ground, not the sky, to see where climate change could have its most perilous impact on life on Earth.


Earthworms

Earthworm activity can alter forests' carbon-carrying capabilities

Space & Earth / Earth Sciences

created Oct 27, 2008 | popularity 4.3 / 5 (16) | comments 0

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.


Arctic soil reveals climate change clues

Space & Earth / Earth Sciences

created Oct 08, 2008 | popularity 4 / 5 (11) | comments 0

Frozen arctic soil contains nearly twice the greenhouse-gas-producing organic material as was previously estimated, according to recently published research by University of Alaska Fairbanks scientists.