Monday, August 31, 2009

Nitrous Oxide Now Top Ozone-depleting Emission

ScienceDaily (Aug. 28, 2009)
Nitrous oxide has now become the largest ozone-depleting substance emitted through human activities...


Ag. fertilizers are a huge
contributor. Govt. of AB photo

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The Fertilizer Falacy - Pushing Yields up and Profit Down

Understanding Agriculture  Nitrogen fertilizer is applied to winter wheat.  Photo by Michael Trolove. There’s a deeply held belief in modern...