00694naa a2200265 a 450000100080000000500110000800800410001910000170006024501100007726000090018765000120019665000170020865000100022565000210023565000110025665000260026765000140029365000170030765000130032465000100033765000220034765300080036965300080037777300430038516170441995-06-27       1991    bl uuuu     u00u1 u    #d1 aCHALK, P. M.  aThe contribution of associative and symbiotic nitrogen fixation to the nitrogen nutrition of non-legumes.  c1991  aFrankia  aActinomiceto  aArroz  aCana de Açúcar  aCereal  aDiluição Isotópica  aGramínea  aOryza Sativa  aSimbiose  aTrigo  aTriticum Aestivum  a15N  aFBN  tPlant Soilgv.132, n.1, p.29-39, 1991.