Fig. 1. Nitrogen accumulation rate for nonnodulating and nodulating near isolines of ‘Hardee’ under well-watered and drought conditions at Gainesville, FL. Nitrogen was applied as NH₄NO₃ in three split applications totaling 10, 100, and 200 kg N ha^–1 for the low-N, medium-N, and high-N treatments, respectively. Within a genotype, different letters above bars indicate significant differences among means as determined by an LSD (0.05).