Monday, October 5, 2015

Nearly a Third of World's Cacti Face Extinction, Says IUCN

theguardian
Cactus display at the International Peace Garden, 
Manitoba. PinP photo.
Illegal trade is causing shocking decline in plants that are vital to desert ecosystems, most comprehensive global assessment yet reveals. Details here.

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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...