Hand-pull young plants when soil is moist, removing as many tubers as possible
Mow or trim regularly to prevent seed production
Improve drainage and avoid overwatering
Water deeply but infrequently to encourage turfgrass roots
Maintain dense, healthy turf or ground cover to crowd it out
Dig out infestations carefully, removing all visible nutlets and rhizomes
Apply a labeled post-emergent herbicide for nutsedge
Use halosulfuron, sulfentrazone, or bentazon if appropriate for your lawn or crop
Repeat herbicide applications as directed on the label
Apply pre-emergent control where labeled and appropriate
Dispose of pulled plants and tubers in the trash, not compost
Clean tools and footwear after working in infested areas
Monitor the area regularly and treat new shoots promptly