PRESERVE is 100% Mycorrhiza (VAM) which is a biological fertilizer based on spores and fragments of mycorhizal fungal filaments and infected root bits. Mycorrhiza(VAM) is used as an effective soil inoculant. Mycorrhiza (VAM) contains vascular arbusculat mycorrhiza which is formulated with vermiculite as carrier containing Glomus speces having a count of 100 infective propagules/gram. It is an excellent soil nutrition improvement tonic.