. The care of trees in lawn, street and park, with a list of trees and shrubs for decorative use. Trees; Trees. Calluslng and Repairing 97 than large ones. The proper practice is, therefore, to prune in time, so as to avoid the cutting of large branches. In '"^der to secure a satisfactory proportion be- tween the amount of food material used in making callus, and the supply, it is best not to make too many large wounds at once, and, if possible, no wounds larger than four to six inches in diame- ter. Three medium-sized branches of from three to four inches in diameter may be safely remove
. The care of trees in lawn, street and park, with a list of trees and shrubs for decorative use. Trees; Trees. Calluslng and Repairing 97 than large ones. The proper practice is, therefore, to prune in time, so as to avoid the cutting of large branches. In '"^der to secure a satisfactory proportion be- tween the amount of food material used in making callus, and the supply, it is best not to make too many large wounds at once, and, if possible, no wounds larger than four to six inches in diame- ter. Three medium-sized branches of from three to four inches in diameter may be safely removed in any one year, even from old trees, and the wounds will heal in from three to six years, while young vigorous trees will elaborate enough food material to take care of a larger number. The wounds on young trees and in the younger portions of the trees heal more readily than those on old trees and those near the base, removed from the food-elaborating foli- age. In very old trees which are underfed, the callusing pro- FiG. 28. - Imported bill hook. ^^33 ^^^ ^^ ^^ ^^.j^j^ exceeding slowness or may even be entirely suppressed. Wounds on the lower side, shedding water more readily, are less dangerous than those on the upper side of limbs. In general, the fewer and the smaller in extent the wounds. Fig. 27. — An example of proper prun- ing, but with the wound left 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 Fernow, B. E. (Bernhard Eduard), 1851-1923. New York, H. Holt and company
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License: Licensed
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Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyo, bookyear1910
