00491naa a2200145 a 450000100080000000500110000800800410001910000220006024501530008226000090023565000140024465300200025865300120027877300550029016125481995-06-27       1990    bl uuuu     u00u1 u    #d1 aMARTENSSON, A. M.  aCompetitiveness of inoculant strains of Rhizobium leguminosarum bv. trifolli in red clover using repeated inoculation and increased inoculum levels.  c1990  aTrifolium  aCompetitividade  aRizobio  tCan. J. Microbiol.gv. 36, n. 2, p. 136-139, 1990.