Sap percentage
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Q: The boss and I have a small wager-the loser takes you to lunch. During the winter, does all the sap in the tree go into the roots? I can't believe that it does, as then the lumber cut in the winter would be already quite dry.

A: The moisture and sap in the tree are nearly the same year-round.

There is perhaps 1 percent more water in the winter! So, you are correct. Send me your boss' name so I can find him.

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About the author
Gene Wengert

Gene Wengert, “The Wood Doctor” has been training people in efficient use of wood for 45 years. He is extension specialist emeritus at the University of Wisconsin-Madison.