Utah State University Extension
An important aspect of landscape maintenance includes suppressing lawn weeds, including broadleaf and grassy forms, which may disrupt the uniformity of turf. Weed prevention through proper turf establishment and maintenance is the best practical approach for long-term weed control, and is less expensive than controlling weeds later. This fact sheet discusses using best management practices such as proper mowing height along with irrigation and nutrient management, and In certain situations, herbicides.
Beddes, Taun; Kopp, Kelly; Whitesides, Ralph; Gunnell, JayDee; and Caron, Michael, "Weed Control Options for Residential Lawns in Utah" (2015). All Current Publications. Paper 774.