Figure 4

Mycorrhization level of Tuber aestivum inoculated seedling with and without added earthworms, after 6 months and 12 months from spore inoculation, n = 20.
Mycorrhization level of Tuber aestivum inoculated seedling with and without added earthworms, after 6 months and 12 months from spore inoculation, n = 20.