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| quite a bit of research has been done in N. America on wood ash as a liming material and nutrient source.
As with other by product materials, a chemical analysis should be the basis for determining application rates but physical characteristics often determine the feasibility of application using standard equipment.
the bulletins at the following links may be of interest:
From Alberta, Canada
Wood Ash: An Alternative Liming Material for Agricultural Soils
http://www1.agric.gov.ab.ca/$Department/deptdocs.nsf/all/agdex3435
From Georgia, USA
Best Management Practices for Wood Ash as Agricultural Soil Amendment
http://pubs.caes.uga.edu/caespubs/pubcd/B1142.htm
Joel
WIU Agriculture | |
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Wood Ash as Liming Source
