According to Potawatomi ecologist Robin Wall Kimmerer, the Indigenous method of harvesting Hierochloe odorata, on sweetgrass, by snapping the plant off at the root actually ________ wild populations: it may seem counterintuitive, she says, but this method of removal allows new sweetgrass plants to repopulate the space, with an overall increase in number and vigor.

Which choice completes the text with the most logical and precise word or phrase?