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View Diary: The Establishment of Soil Carbon as the Universal Measure of Sustainability (22 comments)

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  •  Among the myths ... (3+ / 0-)
    Recommended by:
    Farmer Labor, brasilaaron, cynndara

    ...concerning the original people of the Americas is that they didn't manage their environment.  The Amazon which has been deemed unfavorable to agriculture due the laterite soil of the area and therefore could not support large populations.  However, recent evidence shows that the native people used biochar (and crushed pottery) extensively for 1000's of years and maintained high soil productivity.  The logs of Pizzaro's  men who floated the Amazon (after they slaughtered Incas) recorded large settlements and large populations all along the river – not possible without extensive agriculture and fertile soil.

    "if you don't make peaceful revolution possible, you make violent revolution inevitable." ….JFK. .......{- 8.25 / -5.64}

    by carver on Sat Mar 31, 2012 at 12:36:20 PM PDT

    •  satelite imagery (1+ / 0-)
      Recommended by:
      carver

      is revealing extensive road networks under the forest canopy.  Estimates show that pre-Hispanic Amazonian population was as high as today, only much less concentrated.  The Terra Preta do Indio is possibly a way to salvage agriculture in the Amazon, and across the tropics of the globe, but would require a massive re-dedication to agricultural labor.

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