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Porque é que o solo se gasta?

por papinto, em 09.08.11

Why does land wear out? This great agricultural mystery led generations of farmers to simply move when the land no longer supported agricultural production. That changed in 1905, when a soil scientist unearthed the key to sustained productivity by linking soil erosion and degradation of soil quality. continuar a ler....

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Taking the guesswork out of soil classification
ScienceDaily (2010-06-07) -- A researcher has developed a technique that uses digital imaging of soil samples to take some of the guesswork out of wetland identification. ... > read full article

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