Image: Biochar pile in tarp
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Description: Biochar is a porous carbon substance that helps increase the water-holding capacity of soil. USDA Forest Service photo by Deborah Page-Dumroese.
Title: Biochar pile in tarp
Credit: https://www.flickr.com/photos/usdagov/48365280617/
Author: U.S. Department of Agriculture
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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