Oregon State University. Extension Service; Armah-Agyeman, Grace; Loiland, J.; Karow, R.; Bohle, M. (Corvallis, Or. : Extension Service, Oregon State University, 2002-07)
Alfalfa (Medicago sativa L), called queen of forages, is the most important and productive forage crop in North America. It is the most widely adapted legume known. It was introduced to the western United States in the 1 ...