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Total aboveground plant 15N recovery (15Nrec) at the R1R6 growth stage at 0 and 112N in 2014. Values are the means of five hybrids and one location in Indiana (ACRE). Total 15N applied per growth stage was equal to 2.12 kg 15N ha−1. Error bars represent the standard error of the means. *Represents a significant difference across N rates at the 0.05 level T-test (LSD).
