Home / Tag: Guano
Wednesday, June 18, 2008
Given the rising costs of synthetic fertilizers and organic foods, the collection of bird droppings (for use as organic fertilizer) has intensified on 20 islands off the coast of Peru, where 12-inch-thick seabird guano coats the land. In the 19th century, China fought with Peru on the high seas for the right to mine the guano...

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