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Title: Mini-tapping sugar maples for sap-sugar testing
Author: Gabriel, William J.;
Source: Research Note NE-305. Broomall, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 4p.
Publication Series: Research Note (RN)
Description: Describes a technique using cannulas, surgical tubing, and small containers to obtain sap samples for use in determining the sugar content of sap in small sugar maple trees. This technique is used on trees directly exposed to the weather, and sets a minimum tappable tree diameter of 1.5 cm.
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Gabriel, William J. 1982. Mini-tapping sugar maples for sap-sugar testing. Research Note NE-305. Broomall, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 4p.
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