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How Lead Gets Into Urban Vegetable Gardens

If you're a vegetable gardener in an urban area, there's a good chance that you have lead in your soil. One common solution is building a raised bed.  But this may not work, according to researchers studying lead contamination in raised beds, which has become a problem in community gardens in the Boston area.

Soil in raised beds that started with as little as 110 micrograms of lead per gram of soil rose to an average of 336 micrograms of lead in just four years.  The main suspects are wind and perhaps rain.

Science Daily reports:

“[Rain] splatters the ground and can potentially throw fine particles of contaminated soil into the raised beds.”

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