. Principles of American forestry . Forests and forestry. TREE-PLAITTING ON PEAIEIES. 47 considered one under twenty feet in height. In Russia and at the Experiment Station at Indian Head, Manitoba, windbreaks of Artemisio tobolksinna, whicli seldom grows more than eight feet high, are often used. About farm buildings windbreaks cannot be too high, and for this pur- pose the largest, longest-lived trees should be used. Kinds of Trees for a Windbreak. In too many instances too many tree-planters on the prairies have put out exclu-. FiG. 3.—A L young White Willow windbreak on dry entirely by mul
. Principles of American forestry . Forests and forestry. TREE-PLAITTING ON PEAIEIES. 47 considered one under twenty feet in height. In Russia and at the Experiment Station at Indian Head, Manitoba, windbreaks of Artemisio tobolksinna, whicli seldom grows more than eight feet high, are often used. About farm buildings windbreaks cannot be too high, and for this pur- pose the largest, longest-lived trees should be used. Kinds of Trees for a Windbreak. In too many instances too many tree-planters on the prairies have put out exclu-. FiG. 3.—A L young White Willow windbreak on dry entirely by mulching after being well st; prairie. Grown sively quick-growing, short-lived trees, such as the Cotton- wood and Lombardy Poplar, and after fifteen or twenty years they have found their trees dying and nothing coming on to take their places. The quick-growing kinds are very desirable as a protection for the near future, but they are often short-lived and should never be planted alone. Among them should be planted a sufficient number of. 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 Green, Samuel B. (Samuel Bowdlear), 1859-1910. New York, J. Wiley & Sons
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