Bahco Pruning Tools is sponsoring a pruning contest on Saturday, March 9 from 10 a.m. to 1 p.m. at the Ravenholt Teaching Vineyard near the WSU Wine Science Center in Richland. The inaugural event will be open to the first 20 vineyard employees , students, or industry members who register. Winners will be judged on precision and timeliness. Cash prizes, pruning tools, and belt buckles will be awarded to contest winners and all participants will receive a Bahco swag bag.…