Dustconcentrates are prepared in similar fashion, excepting that about 25% to 95%, by weight, of the active agent is ground with about 75% to 5%, by weight, of the diluent.Wettable powders are prepared in the same manner as the dust concentrates, excepting that about 1% to 5%, by weight, of a dispersing agent such as the calcium salt of a polymerized alkyl aryl sulfonic acid, sodium lignosulfonate