. Bulletin. Forests and forestry -- United States. 84 A PKIMER OF FORESTRY. Under the Group Sj^stem openings are made here and there in the forest by cutting away ripe trees. As the reproduction proceeds, the old trees about the openings are gradually cut away, and the groups of young growth, spreading from the original openings like drops of oil on water, finally Fig. 21.—Large group of young planted oak. Sir Dietrich Brandis and the English forest students of 1890. Germany. This is one of the simplest and most useful of all the systems, and when the openings are made small at first no
. Bulletin. Forests and forestry -- United States. 84 A PKIMER OF FORESTRY. Under the Group Sj^stem openings are made here and there in the forest by cutting away ripe trees. As the reproduction proceeds, the old trees about the openings are gradually cut away, and the groups of young growth, spreading from the original openings like drops of oil on water, finally Fig. 21.—Large group of young planted oak. Sir Dietrich Brandis and the English forest students of 1890. Germany. This is one of the simplest and most useful of all the systems, and when the openings are made small at first no other is so safe. It is especially adapted to small pieces of forest, such as woodlots, because it is simple, and because it assures the safety of the forest even with very little skill or care on the part of the 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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