This sedge is a serious pest in crops such as rice, sugarcane, and corn. It grows rapidly under good conditions, and can grow from a seed to a mature plant in just over a month. In rice fields it is resistant to many herbicides, but where herbicides are not used it can easily overwhelm a crop such as rice. It also may be a pest of turf, landscaped areas, roadsides and disturbed areas.
Control of excessive moisture in turf will help to discourage the growth of most sedges, including the various Kyllinga species. For sedges that reproduce only from seeds control with pre-emergent herbicides can be effective. Post-emergence control in turf will require a selective herbicide which targets the sedges specifically. In non-turf settings a systemic, non-selective herbicide will be effective.