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. 2017 Oct 27;8:1825. doi: 10.3389/fpls.2017.01825

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Copyright © 2017 He, Yang, Li, Ma, Cao, Wu, Chen, Tian and Gao.

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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Regression analysis of NUtE with harvest index in the pot experiment (A) and the field experiment (B), with nitrogen harvest index in the pot experiment (C) and the field experiment (D).