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Chemical and Biological Technologies in Agriculture
Fig. 6 | Chemical and Biological Technologies in Agriculture

Fig. 6

From: 16S metabarcoding, total soil DNA content, and functional bacterial genes quantification to characterize soils under long-term organic and conventional farming systems

Fig. 6

Relative abundance of five sugar beet growth-promoting rhizobacteria (PGPR) detected by qPCR. The plot shows the comparison between the Threshold Cycle (Ct) values for all the tested genera. Ct values are inversely related to the target abundance, meaning that a lower Ct value corresponds to a higher abundance of the investigated amplicon. ***Significance level p < 0.001

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