Humic Acid Fertilizer in Agriculture Black power/ granular Organic matter (Dry Basis)¡Ý85% HA (Dry Basis)¡Ý70% Moisture ¡Ü20% PH 5.0-6.0. Description Humic acid fertilizer in agriculture is a high polymer heterogeneous aromatic hydroxyl carboxylic acid. Humic acid is black brown powder or granular, insoluble in water and is of weak acidity, easily soluble in alkali. It comprises hydroxyl, carboxylic, phenolic hydroxyl, active groups. Usage 1) Agriculture : organic fertilizer, raw material for humates based fertilizers and also can be used as soil ameliorator, plant growth stimulator and fertilizer improver. 2) Industry: Used as oil drilling fluid stabilizer, cement and ceramic additive, wastewater treatment agent, cathodal plate additive for accumulator. Storage Humic acid fertilizer should be kept in sealed, dry and ventilated place. It won't deteriorate in long-term storage. Agglomeration and pulverization doesn't affect use after it' s dissolved. 25KG or 50KG net woven bag; according to customers' requirement.