SubCulture®-M, Mycorhizae Root Inoculant contains a wide diversity of endo and ecto mycorrhizal fungi that colonize plant roots. These beneficial fungi form a fine network of fibrous strands that serve as an extension of the plants root system; increasing root area and helping plants absorb water and nutrients. Use SubCulture®-M from germination or propagation all the way through harvest. Use on any type of plant and with any growing method - soil, or hydroponic. SubCulture-M can be applied throughout the life of your plants from seed germination through harvest. It may be used with SubCulture-B to create a diverse microbial community beneficial for plant health. Reduce the amount of fertilizer and still achieve superior growth and huge yields.