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Fig. 1 | BMC Biology

Fig. 1

From: Statistical or biological significance?

Fig. 1

The proportion of nine known plant growth-promoting bacterial species detected in the soil bacterial community of two fields. Oat plant yield was greater in Field 1 than Field 2; two of the growth-promoting bacterial species were found at a significantly lower level in Field 2 than Field 1 (Student’s t-test *P < 0.05; error bars show standard deviation)

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