2-4mm Slow Release Humic Acid Granule with 65% Humic Acid for Greenhouse Soil Amendment

Agricultural Granular Humic Acid 2-4mm Slow Release Protected vegetable production is expanding rapidly across Saudi Arabia, where growers rely on soil beds and substrate systems under high heat and heavy irrigation. This granular amendment improves the root environment in intensive greenhouse systems and helps crops use water and nutrients more efficiently. The uniform 2 to 4 mm granule is designed for measured application in beds, pots and troughs, releasing humic