Whitetail Institute® Arrest™ Max Herbicide controls the grasses and weeds that threaten to crowd out your carefully planted perennial food plots. This selective grass herbicide and weed killer is designed to work with your Whitetail Institute food plots without harming clover, alfalfa, chicory, or other foods that attract deer. During the spring or summer growing season, the spray can be easily applied by hand, 4-wheeler, or tractor sprayer. Whitetail Institute Arrest Max Herbicide is effective on a wide range of grasses, and is rain-fast after one hour. Manufacturer model #: AM1P. Specifically developed for deer food plots; Controls a broad range of annual and perennial grasses; Easily applied by hand, 4-wheeler, or tractor sprayer; Safe for use with perennial forages, clover, or alfalfa plantings; Kills weeds while keeping grasses that attract deer;