Can dirt become soil again? Peter MacDonagh (BLA '85) breaks it down for @sustaincities:

Soil scientists have named the most common stuff you end up with in cities as “Urdothents,” but “dirt” will do for most people. The common perception of “dirt” from non-soil scientists varies widely. People tend to think it’s either all bad or all good. On the bad end of the spectrum, there is the mindset that “dirt” is useless, and needs to be disposed of and replaced with something screened and purchased from a supplier. At the other end of the spectrum there is the mindset that dirt is as perfect as a potting soil, and that everything planted in it will grow fine. Neither assessment is accurate.

Full article: http://www.sustainablecitiescollective.com/deeproot/11777...

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Can Dirt Become Soil Again?

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