When trying to protect orchards from frost damage, growers should think in terms of frost management, Dr. Robert Evans, an agricultural engineer with the U.S. Department of Agriculture in Sidney, Montana, said at the Washington State Horticultural Association’s annual convention. “It’s an entire system, rather than frost protection, and it will be site specific and vary from block to block, or orchard to orchard.” Frost management begins with site selection, said Evans. When establishing an orchard or vineyard, it’s important to select a variety and rootstock that are suitable for the site, and plant trees or vines with rows running […]