In-Season Diagnosis of Potassium Deficiency in Soybean Using Leaf and Petiole Potassium Concentrations.
Rasel Parvej1, Nathan A. Slaton2, Trenton L. Roberts3, Larry C. Purcell3, Russell E. DeLong4 and Matthew S. Fryer5, (1)Virginia Tech Tidewater Agricultural Research & Extension Center, Suffolk, VA, (2)Department of Crop, Soil, and Environmental Sciences, University of Arkansas System Division of Agriculture, Fayetteville, AR, (3)Crop, Soil, and Environmental Sciences, University of Arkansas, Fayetteville, AR, (4)University of Arkansas, Fayetteville, AR, (5)University of Arkansas, Little Rock, AR