. Agriculture for common schools. Agriculture. CONTROLLING INSECTS 205 amounts may be divided. When wanted for use, the emul- sion is diluted by taking one part of emulsion to ten parts of water for hard-bodied insects, or one part to fifteen of water for soft-bodied ones. It should be applied with a very fine spray. Kerosene emulsion kills by contact. Poisons are applied by various kinds of apparatus. For large operations, as in orchards, spray-pumps operated by. 38. A POWER SPRAYER USED IN THE ORCHARD AT PURDUE UNIVERSITY By courtesy of the Indiana Experiment Station compressed air are used.
. Agriculture for common schools. Agriculture. CONTROLLING INSECTS 205 amounts may be divided. When wanted for use, the emul- sion is diluted by taking one part of emulsion to ten parts of water for hard-bodied insects, or one part to fifteen of water for soft-bodied ones. It should be applied with a very fine spray. Kerosene emulsion kills by contact. Poisons are applied by various kinds of apparatus. For large operations, as in orchards, spray-pumps operated by. 38. A POWER SPRAYER USED IN THE ORCHARD AT PURDUE UNIVERSITY By courtesy of the Indiana Experiment Station compressed air are used. Spray-pumps operated by hand are much used. For spraying potatoes and sugar beets a bar- rel is mounted on a truck and the contents are forced out of nozzles attached to a frame behind the truck. For gardens and flower beds a garden spray-pump can be used, and even a sprinkling-can is useful for small operations. For applying dry powders various kinds of bellows are used. The time of spraying is important. It is often done too late. Usually spraying should not be done when plants are. 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 Fisher, Martin L. [from old catalog]; Cotton, Fassett A. (Fassett Allen), 1862-1941, joint author. New York, C. Scribner's sons
Size: 2118px × 1180px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookpubl, booksubjectagriculture
