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No-till farming reduces greenhouse gases

No-till farming reduces greenhouse gases

Posted: Tuesday, February 15, 2011 8:01 pm

Associated Press
INDIANAPOLIS (AP) — A new study has found that no-till farming could help fight global warming by reducing emissions of a potent greenhouse gas.
A team of Purdue University researchers compared the amount of nitrous oxide released by fields that weren’t plowed under between harvests with the release of gas from plowed fields.
They found no-till fields released 57 percent less nitrous oxide than those in which plants are plowed into the soil after harvest.
Purdue agronomist Tony Vyn says he was stunned by the large amounts of nitrous oxide his team detected in the air above the plowed fields compared with no-till fields. He says the results are worrisome because the gas packs 310 times the heat-trapping power of carbon dioxide, the gas largely blamed for climate change.

Published in The Messenger 2.15.11

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