00585naa a2200205 a 450000100080000000500110000800800410001910000190006024501060007926000090018565000080019465000140020265000120021665300200022865300120024870000220026070000170028270000190029977300610031816047011995-06-27       1981    bl ---       0--  u    #d1 aBALDANI, J. I.  aContribution to the methodology of excised root assays to evaluate nitrogenase activity in gramineae.  c1981  aAra  aGramínea  aMétodo  aAGRONOMIA GERAL  aUAPNPBS1 aPEREIRA, P. A. A.1 aNEYRA, C. A.1 aDOBEREINER, J.  tIn: Associative N2-Fixation, Vol.II.gv., p.51-59, 1981.