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. 2017 Aug 4;8:1360. doi: 10.3389/fpls.2017.01360

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Copyright © 2017 de Oliveira Silva, Camberato, Coram, Filley and Vyn.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Total aboveground plant ¹⁵N recovery (¹⁵Nrec, kg kg⁻¹¹⁵N applied) per 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. Letters represent significant differences between growth stages at the 0.05 level (Tukey HSD).