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. 2013 Jul 12;200(3):796–807. doi: 10.1111/nph.12405

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© 2013 The Authors New Phytologist © 2013 New Phytologist Trust

This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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Concentration of nitrogen (N) in soil solution after the pulse-labelled addition of (a) or (b) ¹⁵N-glutamate to soil in the presence and absence of wheat (Triticum aestivum) plants. The initial concentration was 45 mg N l⁻¹. Because of the potential inter-conversion of N forms in soil, was also measured in the glutamate treatment and vice versa. Values represent mean ± SE (n = 4 replicate microcosms). The legend is the same for both panels (a) and (b).

Inline graphic — Concentration of nitrogen (N) in soil solution after the pulse-labelled addition of (a) or (b) ¹⁵N-glutamate to soil in the presence and absence of wheat (Triticum aestivum) plants. The initial concentration was 45 mg N l⁻¹. Because of the potential inter-conversion of N forms in soil, was also measured in the glutamate treatment and vice versa. Values represent mean ± SE (n = 4 replicate microcosms). The legend is the same for both panels (a) and (b).