TY - BOOK AU - Nutman, P. S. TI - The influence of physical environmental factors on the activity of Rhizobium in soil and in symbiosis KW - Rhizobium KW - Simbiosis KW - Suelos KW - Inoculación N1 - Sobretiro de : Organismo Internacional de Energía Atómica. Use of isotopes for study of fertilizer utilization by Legume Crops. Vienna : The Agency, 1972, 55-84 ER -