Figure 3.

Relative growth rate of Pinus muricata. (a) Mean P. muricata relative growth rate, as influenced by interaction between soil type and plant family. (b) Mean P. muricata relative growth rate, as influenced by an interaction between soil type and the presence or absence of microbial filtrate. Means with different letters are significantly different from each other (p < 0.05) according to Tukey HSD post-hoc tests.

Piculell et al. BMC Biology 2008 6:23   doi:10.1186/1741-7007-6-23
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