Robot developed by students makes weeding easier at forest nursery

By Ralph Bartholdt
University of Idaho
January 28, 2025
Category: Forestry
Region: United States, US West

In a brown dirt field, wet from irrigation and washed in early morning sunshine, a curious metal contraption moves like a mini tractor. As large as a love seat, and set on caterpillar tracks, the machine hums and zaps as it rolls at a snail’s pace over rows of small pines at the U.S. Forest Service tree nursery in Coeur d’Alene. “This machine can potentially save us a half million dollars annually in manual labor costs across our six nurseries,” said retired Forest Service Senior Research Scientist Kas Dumroese, M.S.’86, Ph.D. ’96. The machine, a weeding robot developed by this year’s University of Idaho robotics team, is designed to kill weeds in the nursery’s seedling beds. The team is comprised of graduate and undergraduate students and is based at the North Idaho College campus in Coeur d’Alene.

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