TY - RPRT TI - Nitrogen controls on ecosystem carbon sequestration: a model implementation and application to Saskatchewan, Canada AU - J. Liu AU - D.T. Price AU - J.M. Chen PY - 2005 DO - 10.1016/j.ecolmodel.2005.01.036 UR - https://pubs.usgs.gov/publication/70029253 ID - 70029253 ER -