TY - RPRT TI - Nitrous oxide emissions from cropland: a procedure for calibrating the DayCent biogeochemical model using inverse modelling AU - Rashad Rafique AU - Michael N. Fienen AU - Timothy B. Parkin AU - Robert P. Anex PY - 2013 DO - 10.1007/s11270-013-1677-z UR - https://pubs.usgs.gov/publication/70118989 ID - 70118989 ER -