A Summary of the Answers Received to Questions on the Mechanics of Spraying
| Autor: | De Ong, E. R. |
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| Zdroj: | Journal of Economic Entomology; October 1925, Vol. 18 Issue: 5 p722-722, 1p |
| Abstrakt: | An analysis of eighty-two answers to a questionnaire on spray mechanics is presented in tabular form. The replies cover almost every state in the Union and as they come principally from official entomologists, should indicate the trend of opinion on the important questions of pressure, rate of discharge and size of aperture in the disc. Several requests have been received for a summary of the replies so this means is taken of replying to all who may be interested. |
| Databáze: | Supplemental Index |
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