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. 2022 Jul 22;13:947547. doi: 10.3389/fpls.2022.947547

FIGURE 1.

FIGURE 1

The chlorophyll content of leaves in soybean as affected by biochar and AMF under drought conditions. C, control; BC, biochar; AMF, arbuscular mycorrhizal fungi; BC + AMF, biochar + arbuscular mycorrhizal fungi. *P = 0.01.