Purchase Qty. Reference FOB Price
25-49 Tons US$220.00
50-74 Tons US$160.00
75+ Tons US$100.00
Product Description
Product Description Insoluble Humic Acid Round Granule Prill. Humic acid is formed by microbial degradation of the dead biological substances, also is leonardite,it can be divided into three main parts: humic acid (HA), fulvic acid (FA) and humin (HM).with humic acid 15%/50%/60% ,NPK 14-0-1. ...