Tapholes drilled into frozen sugar maples close slowly

Russell S. Walters

Treesearch

Tapholes drilled into frozen sugar maples close slowly

Informally Refereed

Authors:

Russell S. Walters

Year:

1978

Type:

Research Note

Station:

Northern Research Station

Source:

Research Note NE-265. Broomall, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 1-2.

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Abstract

Tapholes drilled into frozen maple tissues remain open longer than tapholes drilled into trees that have not frozen. Taphole closure was not affected by the speed of the tapper drill bit.

Citation

Walters, Russell S. 1978. Tapholes drilled into frozen sugar maples close slowly. Research Note NE-265. Broomall, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 1-2.