Every year, over 300,000 tons of wood ash is produced by Maine pulp and paper companies. Up to 70,000 tons of wood ash are spread on Maine farmland each year. This bulletin discusses both the benefits and the problems of using wood ash. Includes research on nutrients in wood ash, effects of wood ash on soil nutrient levels, and effects of wood ash on plant growth. 8 pages. © 1993, 2004, 2006 by University of Maine Cooperative Extension.
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