TY - GEN AU - Wych,R D AU - Rains,D W TI - Simultaneous measurement of nitrogen fixation estimated by acetylene-ethylene assay and nitrate absorption by soybeans SN - 0032-0889 PY - 2010///0629 N1 - Publication Type: Journal Article UR - https://doi.org/10.1104/pp.62.3.443 ER -