. A primer of forestry : part I, the forest. Forests and forestry. 24 THE FOREST. nearly all the ways in which it is benefited by the community. A for- est tree helps to protect its neighbors against the wind, which might overthrow them, and the sun, which is ready to dr}^ up the soil about their roots or to make sun cracks in their bark b}^ shining too hotly upon it (fig. 18). It enriches the earth in which they stand by the fall of its leaves and twigs, and aids in keeping the air about their crowns, and the soil about their roots, cooler in summer and warmer in winter than it would be if ea
. A primer of forestry : part I, the forest. Forests and forestry. 24 THE FOREST. nearly all the ways in which it is benefited by the community. A for- est tree helps to protect its neighbors against the wind, which might overthrow them, and the sun, which is ready to dr}^ up the soil about their roots or to make sun cracks in their bark b}^ shining too hotly upon it (fig. 18). It enriches the earth in which they stand by the fall of its leaves and twigs, and aids in keeping the air about their crowns, and the soil about their roots, cooler in summer and warmer in winter than it would be if each tree stood alone. With the others it forms a. Fig. 18.—Forest trees staudiug too far apart to help each other. Lake Chehin, \Vashington. common canopy under which the seedlings of all the members of this protective union are sheltered in early youth, and through which the beneficent influence of the forest is preserved and extended far be^'ond the spread of the trees themselves. But while this fruitful coopera- tion exists, there is also present, just as in a village or a city, a vigorous strife for the good things of life. For a tree the best of these, and often the hardest to get, are water for the roots and space and light for the crown. In all but very dry places there is water enough for 173. 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 Pinchot, Gifford, 1865-1946. Washington, D. C. : U. S. Dept. of Agriculture
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectforestsandforestry
