Year:
1970
Publication type:
Research Note (RN)
Primary Station(s):
Northern Research Station
Historical Station(s):
Northeastern Research Station
Source:
Research Note NE-118. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 4p.
Description
In a study of sugar maple sap collection through a vacuum-pumped plastic tubing system, yields were compared between tapholes in which paraformaldehyde pellets were used and tapholes without pellets, Use of the pellets did not increase yield.
Citation
Smith, H. Clay; Gibbs, Carter B. 1970. Paraformaldehyde pellet not necessary in vacuum-pumped maple sap system. Research Note NE-118. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 4p.