Switchgrass farming would be no-till farming, and on net would probably increase (and stabilize) the carbon content locked in soils. Another respect in which it

Switchgrass farming would be no-till farming, and on net would probably increase (and stabilize) the carbon content locked in soils. Another respect in which it would be much better than corn for ethanol. The exact effect appears to depend on soil quality, e.g. https://www.nature.com/articles/s41396-021-00916-y https://www.nature.com/articles/s41396-021-00916-y