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. 2004 Aug 25;94(4):553–560. doi: 10.1093/aob/mch174

Fig. 3.

Fig. 3.

Root length for roots of different diameters in Ulmus pumila seedlings 6 weeks following sand burial. Values are means ± s.e., n = 8. Different letters indicate that the differences between the treatments are significant at P < 0·05.