The Davis-Weber counties Crop School will discuss production and marketing of quality alfalfa hay Jan. 9 from 9:30 a.m. to 3:30 p.m. in Room 310 of the Weber County Extension office, 2650 Lincoln Ave.

Utah State University Extension agents and agricultural experts will discuss alfalfa weed control, the cereal leaf beetle, diseases of alfalfa, no-till farming systems, alfalfa and dairy management, fertilizer regimes, insect management and marketing alfalfa hay.