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Chemical and Biological Technologies in Agriculture
Fig. 3 | Chemical and Biological Technologies in Agriculture

Fig. 3

From: Cooperation among phosphate-solubilizing bacteria, humic acids and arbuscular mycorrhizal fungi induces soil microbiome shifts and enhances plant nutrient uptake

Fig. 3

PCA biplot showing the loadings for the different microbial groups and ratios [Gram+/Gram− (G+/G−), total PLFA bacterial/total saprotrophic fungi (bact/fungi) and AMF/saprotrophic fungi (AMF/fungi)] as assessed by PLFA analysis. a Combination of PC1 with PC2; b combination of PC1 with PC3. The combination of the shapes and colors indicate different treatments. Triangle: single inoculation; circle: combination with AMF inoculum (M); diamond: combination with humic acids (HA); square: combination with humic acids plus AMF inoculum (HAM)

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