In 1989, four single-stem vegetation-control methods were used on trembling aspen overstory on two study sites at Prince George and Kelowna in British Columbia. The study compared cost and productivity of four treatments: Hack-and-squirt, GEL, CAP, EZJECT,, and girdling. The study also established permanent sample plots and collected baseline data for monitoring the efficacy of treatments and the effect of the treatments on understory plant communities.
FRDA Research Report 129 (4216 KB)
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Updated July 24, 2015