Oregon State University. Extension Service; Hart, John M. (John Mervyn), 1947-; Pirelli, G.; Cannon, L.; Fransen, S. (Corvallis : Oregon State University, Extension Service, 1996-04)
In western Oregon and Washington, forage shortages typically occur in late fall and early spring. In contrast, an excess supply may exist in late spring. By fertilizing in early fall and late winter, you can increase for ...