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About product and suppliers:
        Alibaba.com offers 325,985 humic acid products. About 2% of these are organic fertilizer. 

A wide variety of humic acid options are available to you, such as compost, humic acid, and seaweed. You can also choose from liquid, powder, and granular. As well as from quick, controlled, and slow. And whether humic acid is free samples, or paid samples. 

There are 313,948 humic acid suppliers, mainly located in Asia. The top supplying countries are Vietnam, China (Mainland), and Pakistan, which supply 62%, 36%, and 1% of humic acid respectively. 

Humic acid products are most popular in North America, Western Europe, and South America. 

You can ensure product safety by selecting from certified suppliers, including 53,799 with Other, 41,200 with ISO9001, and 3,832 with ISO14001 certification.