Contains endo and ecto mycorrhizae, bacteria and trichoderma. It adapts well to a variety of soils, climates, and plants. It is easily applied to existing gardens and gardens by mixing it with water and using a hose sprayer or watering can. Also included is seaweed extract and humic acids to feed beneficial soil organisms. Plant Success Organics™ Soluble will create a thriving and diverse soil capable of supporting maximum root and plant growth.