SHI, S.; VILLAMIZAR, L.; GERARD, E.; RONSON, C.; WAKELIN, S.; BALLARD, R.; CARADUS, J. R.; O’CALLAGHAN, M. 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://www.nzgajournal.org.nz/index.php/JoNZG/article/view/380. Acesso em: 14 dec. 2025.