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Hole in the base of a large tree - Ask Extension

Last year one large section of my river birch fell down and now there is a large hole in half the stump area. I have covered it all winter to prevent...

This work is supported in part by New Technologies for Ag Extension grant no. 2020-41595-30123 from the USDA National Institute of Food and Agriculture. Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the view of the U.S. Department of Agriculture.