JINGFENG · Organic Input

Insoluble Humic Acids

JINGFENGR® insoluble humic acids line—from natural weathered coal/lignite—delivers long-lasting soil improvement, nutrient retention, and eco-friendliness. It covers multi-form (powder/granule/prills),…

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Product Overview

JINGFENGR®insoluble humic acidsline—from natural weathered coal/lignite—delivers long-lasting soil improvement, nutrient retention, and eco-friendliness. It covers multi-form (powder/granule/prills), mechanization-friendly granules, blending-suitable prills, and microbial-infused options. All meetISO/CERES standards with strict heavy metal controls, boosting soil health and yields.