LIQUID HUMUS uses a unique 4 part system which includes a patent AOA technology. This soil amendment fertilizer is the only registered Humic product and delivers on 22%. Start where it counts, at planting to enhance soil heath and maximize your nutrient investment. LIQUID HUMUS improves P&K availability, increases microbial activity, helps buffer from salt effects to accelerate plant growth and enhances CEC. LIQUID HUMUS allows for better fertilizer efficiencies for managing nutrients and aids in soil health.