Hydroseeding is a method used for planting grass, vegetation, or erosion control materials by spraying a slurry mixture onto the soil surface. Roper’s external gear pumps are used in a variety of applications within this market including but not limited to slurry mixing, slurry agitation, slurry pumping and spraying, adjustable flow rate controls, and in conjunction with hydroseeding accessories such as foam markers, dye injection systems, or GPS guidance systems.