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Description: The performance of a pesticide is often markedly affected by the method of application. Therefore, it is desirable to use the same method of application when testing pesticides as will be used subsequently in farm practice. A number of small sprayers (1 to 6, 9, 10, 12 to 16) which simulated field applications with precision and reproducibility have been developed for applying chemicals to field crops. Similar sprayers for laboratory use have been developed more slowly (7, 8, 11). A field track sprayer, with track, 18 feet in length, made up of three six-foot sections bolted together and mounted on bicycle wheels, has been used at the Experimental Farm, Scott, Saskatchewan. This machine was constructed by the Engineering Section, Research Station, Swift Current, from a model designed by the Spencer Chemical Co., Merriam, Kansas, U.S.A. From the field model a suit able laboratory sprayer was designed for applying herbicides and insecticides. The machine developed was small, automatically controlled and easily cleaned.

Keywords: a laboratory sprayer
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Citation: Thompson, J. L., McKinlay, K. S. and H. MacDonald 1969. A LABORATORY SPRAYER. Canadian Agricultural Engineering 11(1):20-22.
Volume: 11
Issue: 1
Pages 20 - 22
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Date: 1969
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Coverage: Canada
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