Numchuk Quad is a non-selective knockdown and residual herbicide featuring ‘Quad Control Herbicide Technology’ to provide effective post and pre emergence weed control for up to 12 months. Numchuk Quad contains 100g/L Glyphosate, 60g/L Amitrole, 15g/L Oxyfluorfen and 350g/L Terbuthylazine, 4 herbicides from different mode of action groups