Mikro-Root, Trichoderma Fungi for Healthier Root Management. Solubilize Fixed Phosphate in The Soil to be readily Available to Plants (4 oz)Brand: ARZER Features: A guaranteed way for effective organic root management for healthier, more resilient root zones. Mikro Root is a bio fertilizer and phosphate solubilizer a necessary addition to your fertilizer regimen! Millions of Trichoderma fungi in Mikro Root solubilize fixed phosphate in soil as well as other insoluble trace elements e. g. Zn, Cu, Mn, Mg, Fe, making them readily available to plants. Two highly concentrated Trichoderma