The book Forest Mensuration was written by author Graves, Henry Solon, 1871-1951 Here you can read free online of Forest Mensuration book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Forest Mensuration a good or bad book?
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The growth of each of the ruling species is determined separately and the rest are lumped together or are considered a part of the rulmg class. In the example given above the red and rock oak and chestnut are kept separate. Together they constitute 6$ percent of the stand. The other species are lumped together as a single species and one or more test trees used of a species which represents, in the forester's judgment, about an average. In the above example red maple would show about an average... growth, so that after determining the avers^e diameter of the various species taken together, one or more red maples are cut and used to Digitized by Google THE GROH^TH OF TREES AND STANDS. S^S estimate growth. The volume of the several species which are lumped together may be determined from the maple test trees or from volume tables for the separate species. In most cases the mean sample-tree method is the simplest for determining the growth of even-aged stands. Sometimes, however, the trees are not sufficiently uniform in growth to use this method.
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