. Bulletin. Forests and forestry -- United States. THE YIELD OF A FOREST. Fig. 6.—a white cedar which has had too much growing space. The tree is large, but full of knots, and will yield very little good lumber. One of the central ideas of forestry is that the amount of wood taken from any healthy forest and the amount grown bv it should be as nearlv equal as possible. If more grows than is cut, then the forest will be filled wnth overmature, decaying trees; but if more wood is cut than is grown, then the supply of ripe trees will be exhausted, and the value of the forest will decline. To make
. Bulletin. Forests and forestry -- United States. THE YIELD OF A FOREST. Fig. 6.—a white cedar which has had too much growing space. The tree is large, but full of knots, and will yield very little good lumber. One of the central ideas of forestry is that the amount of wood taken from any healthy forest and the amount grown bv it should be as nearlv equal as possible. If more grows than is cut, then the forest will be filled wnth overmature, decaying trees; but if more wood is cut than is grown, then the supply of ripe trees will be exhausted, and the value of the forest will decline. To make the cut equal to the growth does not mean that the volume of wood grown each year on every acre should be cut from that acre, but that the total growth of all the acres, for one or. Fig. 7.—Old rees which have had the right amount of growing space to make clean trunks and clear lumber. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Division of Forestry. Washington : G. P. O.
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