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Chemical and Biological Technologies in Agriculture
Fig. 4 | Chemical and Biological Technologies in Agriculture

Fig. 4

From: Use of Serendipita indica to improve soybean growth, physiological properties, and soil enzymatic activities under different Cd concentrations

Fig. 4

Correlation analysis between the indicators. A Redundancy analysis of soybean growth index and environmental factors; B S. indica contribution rate (data were represented by degree of increase/decrease compared to uninoculated S. indica); C Correlation matrix; D Structural Equation Modeling (SEM). EXC exchangeable fraction; CAR carbonate fraction; RIM reducible iron and manganese fraction; ORG organic matter bound fraction; RES-Cd residual fraction; S-Cd: residual content in soil; DW dry weight; SH shoot height; URE urease; PHO phosphatase; SUC sucrase; CAT catalase; Tr transpiration ratio; Gs stomatal conductance; Pn net photosynthesis rate; Ci: intercellular CO2 concentration

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