Weed Spray Trucks - Required a New Truck? sites Get a Herbicide Sprayer!for decades they've been dusting the harvest, when they compete with them, they could virtually all the time lose. don't attempt to spray areas which will large enough to finish with them. they work in the area between hand sprayers/zerdrigs and manned crop dusters.in some circumstances, the addition of a compatibility agent might help to maintain the component dispersion. the oliar activities could be improved and will lead to a plant leaf hearth or to a discount in the exercise of one or more of the pesticidal (antagonism).broadleaves typically have a tap surrounded by a relatiw coarse root system. on the end of every stiel and in every leaf axil have revealed actiw rising leaf plants growing locations.