Fig. 3From: Development of a controlled-environment assay to induce iron deficiency chlorosis in soybean by adjusting calcium carbonates, pH, and nodulationEffect of Nodulation and Calcium Carbonate Equivalent on Visual Score (a), atLEAF Value (b), and Plant Height (c) in the Check Genotypes Experiment. Error bars represent ± 1 SE, n = 38Back to article page