Yellow birch regeneration near Canyon MN (MN DNR)
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In 2003 I set up a partial cut sale on 110 acres (stand 17-16-53-15W) designed to increase yellow birch stocking, maintain the paper birch component and expand the basswood and not expand or increase aspen. I marked the desired seed trees of the various species and also marked as many non-merchantable younger yellow birch to try and protect those that were 1-5 inch dbh. Stand was harvested in 2007. Yellow birch regeneration 9 years after treatment is good. Silviculture Objective(s): This is a relatively productive site that can support good quality birch and mixed hardwoods. The objective was to increase yellow birch stocking, maintain the paper birch component, and expand basswood while limiting aspen expansion. Target stocking was approximately 25% yellow birch, 25% paper birch, and 50% other species.
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The prescription combined a release treatment for 1-2” diameter yellow birch with a harvest and simultaneous soil scarification to create favorable conditions for regeneration from seed. The sale was cut August 15-October 15 2007 during a drought, using a CTL with a skilled operator. We got relatively good scarification because we didn't need to use slash mats to avoid rutting. The slash was placed in small random piles instead. This good luck of the dry soil conditions was an important factor to the early success of the treatment. Even better, steady rain began shortly after the harvest was completed.
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Kelley, Jim. (2013). Yellow birch regeneration near Canyon MN (MN DNR). Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/275121.
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