Rhizol. Doing it Nature’s way.

ProGro Bio’s flagship product, Rhizol, represents a culmination of over 40 years of rigorous microbial research and development. This groundbreaking broad-spectrum soil biological is unparalleled in the industry for its microbial diversity, biological activity, microbial isolate concentrations, and delivery methods.

Phoenix Microbial Recovery Tool

Rhizol Soil Inoculant & Seed Treatments

ProGro Bio’s Phoenix Microbial Soil Recovery Tool addresses the "short-term gain, long-term loss" of harsh farming practices like stover burning or aggressive tillage. This fully soluble dry formulation reanimates in water to rapidly restore fertility to damaged or exhausted soils.Phoenix features 29 microbial species paired with humic and fulvic acids, which support rapid establishment and provide a lasting food source for the microbes. Designed for maximum practicality, the product requires a use rate of only 15 grams per acre and offers a two-year shelf life. Phoenix allows growers to quickly reclaim soil health and improve next season's yields without sacrificing cost-effectiveness. Try Phoenix today to experience the impact of advanced microbial activity.

The product packages contain instruction for use as a seed treatment if desired.

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Explore Available Sample Labels

To purchase Rhizol products for agricultural application, contact your local dealer/distributor or reach out to a ProGro representative for retailers that carry our products
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Unrivaled Microbial Formulations That Really Work!

ProGro Bio, a Georgia-based Ag-Tech powerhouse, pioneers 100% all-natural, organic solutions with a rich library of proprietary isolates. Over four decades, we've sourced living organisms, ensuring non-GMO, non-carcinogenic formulations of significant bioactivity. Our formulations, tested under various conditions, exhibit remarkable results on 43 unique crops, including cotton, tomatoes, corn, potatoes, hemp, and soybeans, as well as 10 turf grass species and 16 horticultural crops, addressing specific agricultural and environmental challenges.