Dark Green Color Index As a Method of Real-Time, In-Season Corn Nitrogen Measurement and Fertilization.
Upton Siddons, Crop, Soil, and Environmental Sciences, University of Arkansas, Fayetteville, AR, Larry Purcell, University of Arkansas, Fayetteville, AR and Morteza Mozaffari, Univ. of Arkansas Soil Testing and Research Lab at Marianna, Marianna, AR