. The care of trees in lawn, street and park, with a list of trees and shrubs for decorative use. Trees; Trees. 136 Control of Parasites during the early part of the season. This may, in a dry season, be effected by spraying a second time after two weeks, but if the season is rainy as many as three or four applications may be needed before the first of Fig. 48 — Barrel pump for spraying. Arsenate of Lead mixture: Dissolve eleven to twelve ounces of acetate of lead (sugar of lead), costing twelve to fifteen cents per pound, in four quarts of hot water in a wooden pail, and four ounces of
. The care of trees in lawn, street and park, with a list of trees and shrubs for decorative use. Trees; Trees. 136 Control of Parasites during the early part of the season. This may, in a dry season, be effected by spraying a second time after two weeks, but if the season is rainy as many as three or four applications may be needed before the first of Fig. 48 — Barrel pump for spraying. Arsenate of Lead mixture: Dissolve eleven to twelve ounces of acetate of lead (sugar of lead), costing twelve to fifteen cents per pound, in four quarts of hot water in a wooden pail, and four ounces of arsenate of soda (96 per cent, pure), twelve to fifteen cents per pound, in two quarts of water. For use, dilute at the rate of four to six pounds in a hundred gallons of water, the larger quantity for elm-. 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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Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
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Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyo, bookyear1910
