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Many Virginia orcfoardiats are turning to concentrate spraying to save time, labor, and materials, says Fred S. Dreiling, associate, horticulturist at VPI..
He defines concentrate spraying as using an active insecticide or fungicide with much less water. As an example where an orchardist formerly used two pounds of 60 per cent wettable DDT in 100 gallons of water; he now can use a two-times concentration by mixing four pounds of DDT in 100 gallons of water. This also enables him to cut down consider
48.6%