Oregon State University. Extension Service; Hart, John M. (John Mervyn), 1947-; Butler, M. D. (Marvin D.) (Corvallis, Or. : Extension Service, Oregon State University, 2004-11)
Central Oregon is the primary U.S. hybrid carrot seed production area, supplying seed to the domestic fresh market carrot industry. Approximately 85 percent of the hybrid carrot seed planted in the United States is grown ...