. Chemical weed-control equipment. Weeds; Spraying; Spraying equipment. Sq. ft. per acre x number of acres Working hours x mph x ft. per mile length of boom For example: 250 acres are to be cov- ered, at 5 miles per hour, in 3 eight-hour days. (Assume 30 per cent of total time to be used in filling tank and for turns, leaving 17 actual working hours.) 43,560 x 250 17x5x5280 ft. boom length With the same example, we may use a rough rule for finding boom length for general-volume spraying: At 5 mph, for 3 working days, allow 1 foot of boom for each 10 acres to be sprayed. For the 250 acres,
. Chemical weed-control equipment. Weeds; Spraying; Spraying equipment. Sq. ft. per acre x number of acres Working hours x mph x ft. per mile length of boom For example: 250 acres are to be cov- ered, at 5 miles per hour, in 3 eight-hour days. (Assume 30 per cent of total time to be used in filling tank and for turns, leaving 17 actual working hours.) 43,560 x 250 17x5x5280 ft. boom length With the same example, we may use a rough rule for finding boom length for general-volume spraying: At 5 mph, for 3 working days, allow 1 foot of boom for each 10 acres to be sprayed. For the 250 acres, this gives a boom length of 25, m s*. 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 Akesson, Norman B. (Norman Berndt), 1914-; Harvey, W. A. (William Alfred), 1914-1989. Berkeley, Calif. : University of California, College of Agriculture, Agricultural Experiment Station
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Keywords: ., bookcentury1900, bookpubli, booksubjectspraying, booksubjectweeds
