Increasing biological nitrogen fixation by white clover-rhizobia symbiosis. Journal of New Zealand Grasslands, [S. l.], v. 81, p. 231–234, 2019. DOI: 10.33584/jnzg.2019.81.380. Disponível em: https://test.nzgajournal.org.nz/index.php/JoNZG/article/view/380. Acesso em: 21 sep. 2026.