Harrell’s MAX® Long Iron 15-0-0 with UMAXX® is most effective during active growth and less effective when plants are dormant or suffering from stress. Harrell’s MAX® Long Iron 15-0-0 with UMAXX® formulation provides compatible
mixing ability with amine based herbicides. This product will mix with most commonly used herbicides, pesticides, fertilizers, and fungicides. Tank mixture compatibilities may vary because changes in formulations, water sources, temperature, and spray volumes. Always conduct a jar test for compatibility before tank mixing.