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Effects of dependence on rhizobial N by 5-week old soybeans on (A) growth of H. zea larvae in a no-choice assay (starting as neonates), and (B) larval feeding preference in a 3-way choice test (third instar larvae). High-N = High N fertilizer treatment, Low-N = Low N fertilizer treatment, and No-N = no fertilizer. Different lowercase letters indicate significant differences. Results shown as means ± S.E (n = 30).
