Subculture-M is a root inoculum containing a wide diversity of endo and ecto mycorrhizal fungi that colonize the plant roots. These beneficial fungi form a fine network of thread-like strands that serve as an extension of the plant and with any growing methods, soil or hydroponic, Subculture-M can be applied throughout the life of your plants from seed germination through harvest. Subculture-M may be used with Subculture-B to create a diverse microbial community beneficial for plant health.