TY - RPRT TI - Data from: Long-term changes in soil carbon and nitrogen fractions in switchgrass, native grasses, and no-till corn bioenergy production systems AU - Robertson, G. Philip PY - 2023 DO - 10.5061/dryad.547d7wmf3 UR - https://www.osti.gov/biblio/3003536 ID - 3003536 ER -