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About product and suppliers:
        Alibaba.com offers 327,288 humic acid products. About 2% of these are organic fertilizer, 1% are compound fertilizer. 

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

There are 315,096 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 Southeast Asia. 

You can ensure product safety by selecting from certified suppliers, including 46,100 with ISO9001, 40,270 with Other, and 4,001 with ISO14001 certification.