Harvesting is cosmetic only and does not kill the plant. The harvester can cut up to 1.5 meters deep and load the harvested material on board for disposal. Harvesting is relatively quick at removing nuisance weed beds providing a safer recreation experience.
Rototilling is a much more expensive removal process but is more effective as it kills the plant. There are many limitations to where and when rototilling operations can be undertaken, but in general, the work window is in the autumn and winter when the plants are dormant and plant fragments are not viable.
By utilizing the two treatment techniques the program is able to reduce the nuisance impacts of Milfoil in high-use recreation areas and not have a detrimental impact on fish habitat.