Onion growers in Treasure Valley have faced difficulties in controlling thrips. One of the problems is resistance to commonly used insecticides. Researchers conducted tests to find the most effective insecticides.
Q: What do you recommend for keeping weeds at bay in planting beds? We'd like to stop using Round-Up. Our beds are too big and the weeds are too numerous to be able to keep up mechanically. Would a vinegar solution be harmful to the soil?
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