It found only those associated with particular types of fungi in their roots can take advantage of increased CO2, because the fungi regulate nitrogen plants obtain from soils. (ecowatch.com)
The cultivation of fungi in the nest for food or defense seems to be a widespread practice among social insects. (sciencedaily.com)
It is important to stir the roots occasionally in order to allow ventilation and prevent the growth of fungi. (herbazest.com)