R.S.S.I. WP - 30 lbs - 2HR41A07R. S. S. I. Microbial Soil Inoculant has been specifically formulated to enhance nutrient uptake in ornamentals, vegetables, herbs and forest tree seedlings grown in greenhouses, nurseries and outdoors. It contains the naturally occurring microbes Trichoderma harzianum strain T 22 and Trichoderma virens strain G 41. The addition of these microbes to any growing medium boosts beneficial microbial life in the root zone and encourages root growth. This