. The principles of plant culture; a text for beginners in agriculture and horticulture. Gardening; Botany. 166 PRINCIPLES OF PLANT CULTURE the top of the trees is necessary. These rods, known as extension rods, are most frequently made of a bam- boo pole with a small brass tube running through the center. Nozzles are of various types, but one which breaks the spray up into a fine mist is, as a rule, most desir- able (Fig. 74). The cyclone or eddy-chamber type of. Fig. 73. — Power sprayer for commercial orchard. nozzle, of which the Vermorel is a good example, seems to be most efiicient in pro
. The principles of plant culture; a text for beginners in agriculture and horticulture. Gardening; Botany. 166 PRINCIPLES OF PLANT CULTURE the top of the trees is necessary. These rods, known as extension rods, are most frequently made of a bam- boo pole with a small brass tube running through the center. Nozzles are of various types, but one which breaks the spray up into a fine mist is, as a rule, most desir- able (Fig. 74). The cyclone or eddy-chamber type of. Fig. 73. — Power sprayer for commercial orchard. nozzle, of which the Vermorel is a good example, seems to be most efiicient in producing this character of spray. The disk nozzle, constructed on much the same general principle as the eddy-chamber type and made so as to set at an angle with the extension rod, is the type most largely used. The Bordeaux type of nozzle is used to some extent for special purposes. Many of the common spray materials are merely held. 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 Goff, E. S. (Emmett Stull), 1852-1902; Moore, J. G. (James Garfield); Jones, L. R. (Lewis Ralph), 1864-1945. New York, Macmillan
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