What is a pre-emergent herbicide? A pre-emergent herbicide prevents weeds from gaining a foothold. A post emergent herbicide i.e. sulfonylureas kills weeds when they are already present. The key to using pre-emergents is knowing how they work and behave in the soil....
Why is managing winter grass in turf a problem? Without a doubt, its ability to adapt is the key reason why managing winter grass in turf is such a problem. The ability of winter grass to grow in a wide range of conditions means that it is a perfect weed competitor....
