highly significantp < 0.01
Correlation analysis of the active compounds of Scutellaria baicalensis and soil physicochemical properties The correlation analysis results ( Table 2 ) revealed that baicalein, wogonin, and oroxylin A were highly significantly correlated with TP, AMn, and AZn ( p < 0.01); baicalin and both TP and AZn had highly significant negative correlations ( p < 0.01); oroxindin and TK and EMg had highly significant positive correlations ( p < 0.01); and ACu had significant positive correlations ( p < 0.05).