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. 2017 Feb 21;8:231. doi: 10.3389/fpls.2017.00231

FIGURE 3.

FIGURE 3

Effects of two fertilizer treatments (F+, F-) on N uptake efficiency (A) and yield specific N efficiency (B) of ‘Loden’ (gray) and ‘Tora’ (white) grown either in mixture (mix) or monoculture (mono). Values represent mean ± SE (n = 4).