Diversity of chemoautotrophic ammonia-oxidizing bacteria based on phylogenetic analyses

agricultural soils ammonia ammoniac arable soils clay soils crops cultivos cycle de l'azote eua finland finlande finlandia isolation laboratory experimentation loam soils microorganismos del suelo nitrification nitrite nitrites nitritos nitrobacter nitrogen cycle nitrosomonas noruega norway oxidation oxydation plante de culture soil microorganisms soil structural units sol agricole sol arable sol argileux sol sablolimoneux suelo arcilloso suelo franco suelos cultivables unidades estructurales de suelos usa zambia zambie