Fig. 1.25 Effect of Sphingomonas sp. inoculation on the growth of Melastoma sp. without N and
with 1/4 Hoagland’s No. 2 (N-free, pH 3.0). Photograph from Hashidoko et al. (2002, 2006a, b)
Fig. 1.26 Nitrogen (N) uptake in roots. Based on Marschner (1995), Watanabe (2008), Sato et al.
(2009)
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