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