00422naa a2200145 a 450000100080000000500110000800800410001910000170006024501010007726000090017865000160018765000090020370000210021277300430023316028981995-06-27 1980 bl --- 0-- u #d1 aRAPER, C. D. aEnvironmental sensitivity of acetylene reduction activity in prediction of N-fixing in soybeans. c1980 aNitrogenase aSoja1 aPATTERSON, R. P. tAgron. J.gv.72, n.5, p.717-719, 1980.