Fig. 5
Relationships between soil factors and wheat yield. Note: R-squared (R2) and P-values were estimated from a linear regression model, and the best-fit line (——) is shown on the graph
Fig. 5 | BMC Ecology
Relationships between soil factors and wheat yield. Note: R-squared (R2) and P-values were estimated from a linear regression model, and the best-fit line (——) is shown on the graph