Establishment of Soil and Tissue Potassium Sufficiency Ranges for Annual Bluegrass Turf.
Charles J. Schmid, Horticulture, Oregon State University, Corvallis, OR, James A. Murphy, Plant Biology and Pathology, Rutgers University, New Brunswick, NJ and Bruce B. Clarke, 59 Dudley Rd., Rutgers University, New Brunswick, NJ