GroTab formulated their Microbial Powder to perform 3 unique functions:
Improve root development
Protect root systems from soil-borne diseases
Enhances nutrient absorption
GroTab Microbial Powder is similar to the 3-in-1 Powder. It contains biologicals, mycorrhizae, and trichoderma. This version does not contain NPK fertilizer. Thoroughly blend GroTab Microbial Powder into the soil media. Mix at a rate of 1 pound per 10 cubic yards of media. At planting, apply by hand to planting hole prior to placing root ball. Apply at a rate of 1/2-teaspoon per 6 inches of root ball diameter. Choose from either a 1-pound or 10-pound container below.
