The book Pamphlets On Forestry in Pennsylvania volume 1 was written by author E L Edward L Blanchard Here you can read free online of Pamphlets On Forestry in Pennsylvania volume 1 book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Pamphlets On Forestry in Pennsylvania volume 1 a good or bad book?
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When a diseased spot in the bark is located, it is carefully cut out with the gouge and mallet, care being taken to cut the bark perhaps one-half inch beyond the discolored area which is usually s prominent a characteristic of diseased bark. It is extremely im- portant that the gouge be kept scrupulously sharp. If it is dull, the pressure required in forcing it through the bark will invari- ably result in some injury to the delicate cambium cells at the edge of the cut. This means that the new ...growth will start back under the bark some distance, an eighth, a quarter, a half inch, or even more, and not close to the edge of the cut, where it should start under the most favorable conditions. During the growing season the new growth begins to lift the old bark within a week or ten days. If this growth does not be- gin close to the edge of the cut, we shall find in the course of three weeks, under the uplifted edge of the bark, the finest kind of a shelter for all kinds of small grubs, beetles, etc.
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