Effects of AC treatments and plants (invasive <i>S. canadensis</i> or native <i>K. striata</i>) on soil properties in experiment 1.

TN refers to total nitrogen; TP refers to total phosphorous; SOM refers to soil organic matter; AP refers to available phosphorous; Tph refers to total phenolics; Tfl refers to total flavones; Tsa refers to total saponins. For each plant species, a significant difference between No AC and AC is indicated as follows: *P<0.05; **P<0.01; ns P>0.05 (not significant).