Black Urea

We are offering our client an excellent quality range of Humic Acid Compound Fertilizer--Black Urea. 1)Property Adopting advanced blending and stabilizing technology, this slow-release product contains humic acid, Nitrogen, organic matter, trace element, and other necessary nutrients. Humic Acid has the functions of complexing, ion exchange, adhesion and chelating metal ions under alkaline conditions, and can improve Nitrogen utilization efficiency. 2)Specification Appearance: Black Brown Granules Nitrogen: 25-28% Humic Acid: 7-10% Organic Matter: 13-15%