Indy Week | Image Archives | Sludge, a free fertilizer for farmers, can pose health and environmental risks

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Sludge, a free fertilizer for farmers, can pose health and environmental risks 

Sludge is generally applied to fields in spring and fall. This sludge came from Burlington's Wastewater Treatment Plant and was spread onto the field by Synagro.

Image credit: Photo by Sue Dayton

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Uploaded: Jul 28, 2010 | Post / Read Comments (12)

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