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Fig. 1 | Annals of Forest Science

Fig. 1

From: Nitrogen addition to the canopy of Castanopsis chinensis (Sprengel) Hance promoted xylem formation in a subtropical forest in China

Fig. 1

Width of cell layers in cambial zone (a), width of zones with enlarging cells (b), wall-thickening cells (c), and mature cells (d) in 2015 and 2016. Dots represent the observed mean of the radial width of the cambial and differentiating xylem cells in trees in CK and CN. Bars represent standard errors of the mean of the radial width of the cambial and differentiating xylem cells in trees in CK and CN. CK and CN represent control and N-treated trees, respectively

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Annals of Forest Science

ISSN: 1297-966X