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. 2019 Apr 30;19:170. doi: 10.1186/s12870-019-1747-5

Fig. 4.

Fig. 4

Comparisons of the EA activity and TAX content in different regions. a EA activity contrasts in different geographic regions. b TAX content contrasts in different geographic regions. ** indicates highly significant (P < 0.01) difference between means. The Duncan multiple range test and critical test were conducted if the analyses were significant (P < 0.05)