BioAg VAM VAM dramatically improves the surface area of your plant's root mass. This leads to increased nutrient and water adsorbing capabilities. VAM includes 7 specially selected species of endo mycorrhizae with a heavy dose of the very aggressive Glomus intraradices. Includes a myriad of ingredients to guarantee the vigor and proliferation of the fungi. Reduce transplant stress as well as establish protection from potential disease pressure. VAM contains only endo mycorrhizae.