They have got actinorhizal root nodules on their roots by which the germs Are living. This method permits the tree to are now living in very low nitrogen habitats exactly where they would usually be not able to prosper.[55] The plant hormones identified as cytokinins initiate root nodule development, in https://succeedinlife.co.uk/the-ultimate-guide-to-choosing-the-best-cat-tree-scratcher/