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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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Partitioning of ¹⁵N uptake (¹⁵Nu, kg ha⁻¹) per plant component (stem, leaf, husk, and ear) and proportional allocation of ¹⁵N uptake (¹⁵Np, %) at 0 and 112N over time in 2013. Values are the means of five hybrids and two locations in Indiana (ACRE and PPAC) in 2013. Except for V14 and ER1 representing each location only PPAC or ACRE, respectively. Total ¹⁵N fertilizer applied per growth stage was equal to 3.2 kg of ¹⁵N ha⁻¹. ^*Represents significant difference between plant components across N rates at the 0.05 level T-test (LSD). Letters represent significant differences across growth stages at the 0.05 level (Tukey HSD).