Weedar 64 is a non-volatile, premium DMA-4 formulation that is sequestered to 1,500-ppm water hardness. This “workhorse” of 2,4-D amines is registered for cereal grains, corn, sorghum, rice, sugarcane, irrigation ditches, pastures/rangeland, non-cropland, tree injection, lakes-water hyacinth, and tree fruit / nut crops.