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. 2016 Apr 2;67(12):3763–3775. doi: 10.1093/jxb/erw133

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© The Author 2016. Published by Oxford University Press on behalf of the Society for Experimental Biology.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 2. — Nitrate influx at varying concentrations of nitrate in seminal, lateral, crown, and brace root classes of maize. Nitrate influx is compared between 15-day-old (15d) and 20-day-old (20d) plants deprived of nitrate for 2 d before measurements, and between 20-day-old plants at either 2 d of nitrate deprivation (2d) or 5 d of nitrate deprivation (5d). Points represent individual observations, lines represent fitted Michaelis–Menten models, and bands represent 90% confidence intervals.