TY - RPRT TI - Using indirect methods to constrain symbiotic nitrogen fixation rates: A case study from an Amazonian rain forest AU - C.C. Cleveland AU - B.Z. Houlton AU - C Neill AU - Sasha C. Reed AU - Y Wang AU - A.R. Townsend PY - 2009 DO - 10.1007/s10533-009-9392-y UR - https://pubs.usgs.gov/publication/70207642 ID - 70207642 ER -