Product Name: Humic Acid H-19Model Number: 09Place of Origin: ChinaHumate H-19 is a high polymer heterogeneous aromatic hydroxyl carboxylic acid salt. A black crystal with a slightly glossy appearance, it is soluble in water and weak alkalis. It is comprised of such active groups as hydroxyl,carboxylic acid salt and nitrogen. Specification: 1) Appearance: granular 2) Water solubility: 95% (min.) 3) Humic acid: 75% (min.) 4) Potassium content (K2O dry basis): 14% (min.) 5) Applications: a) Used as drop irrigation, foliar fertilizer and multi-function compound fertilizer after combination with nitrogen and phosphorus b) Also used as an oil ameliorator, plant growth stimulant and fertilizer efficiency promoter 25kg/paper bag, 50kg/plastic woven bag with PVC lining G.W.: 25.15kg, 50.15kg