Soil biology provides a background of billions of microbes, mostly friendly, to the plant in every ounce of healthy soil. Mycorrhizal fungi make up about 80% or more of the weight and biomass of all the beneficial microbes in the soil. Big Water Savings Over the Long Term Lower Landscape Maintenance Costs Environment Friendly—Real “Green” Technology Zero Nitrates Runoff Better Soil Stability and Plant Durability Using synthetic fertilizers takes a lot of time, effort and luck