Fig. 4. The structure of microbial groups (fungal, bacterial, and actinomycetes) determined as mol % of PLFAs in soil after 1 and 56 d of chelate addition in a single dose of 10 mmol kg^-1 soil. Means of three replicates are presented; error bars represent standard deviation. Statistically different treatments according to the Tukey test are labeled with different letters.

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