. Chemical weed-control equipment. Weeds; Spraying; Spraying equipment. Boom Con trot Valves.,. The boom must have a good, quick shut- off valve. Its diameter should be the same as that of the boom, and it should be placed in the main boom line, with remote control so that the operator can reach it 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 Alfr
. Chemical weed-control equipment. Weeds; Spraying; Spraying equipment. Boom Con trot Valves.,. The boom must have a good, quick shut- off valve. Its diameter should be the same as that of the boom, and it should be placed in the main boom line, with remote control so that the operator can reach it 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
