Managing the small forest Page: 10
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be left standing to reseed the area. Sometimes, of course, cutting
is selective. The method recommended by foresters depends on the
characteristics of the individual forest.
In the diameter-limit method all trees above a certain diameter
-perhaps 14 inches-are cut. This method is easy to supervise
and apply, but its serious fault is that diameter of a tree alone is
not a good indication of whether it should be cut. Weak, deformed,
crowded, diseased, slow-growing trees below the limit will be
left, and many healthy trees will be cut just when they are growing
fastest.
Selective cutting is the best way of harvesting a small forest
of mixed age. Here the forest manager looks over each tree to
decide whether it should be cut or left to grow. The method combines
stand improvement with harvest cutting. Some trees-the
diseased or insect-infested, the limby, crooked, or scarred trees,
the old ones, and the less desirable varieties-are cut to benefit
the remainder. The other trees that are cut are those that are past
their best growing period, or can be sold more profitably now than
in the future.
The great advantage of selective cutting is that each tree
can be harvested at its highest value. Clean, straight, sound,
thrifty, young, vigorous, full-crowned, well-located trees of desirable
kinds can be left to produce future timber crops.F420530
FIGURE 6.-A selective cut has just taken the ripe trees from this stand of
white pines in New Hampshire. The remaining trees now have room to
grow and another crop will soon be ready. Note the low stumps.10
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United States. Forest Service. Managing the small forest, book, September 1957; Washington D.C.. (https://digital.library.unt.edu/ark:/67531/metadc9504/m1/12/: accessed April 18, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.