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United States Department of Agriculture

Agricultural Research Service

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Image Number D1973-6

Chemist Javier Gonzalez analyzes the composition of water-soluble organic matter from biochar. Biochar is being tested as a soil amendment to improve productivity of marginal soils.


Photo by Stephen Ausmus.

640 pixels wide: (d1973-6.jpg)

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Last Modified: 8/13/2016
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