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About product and suppliers:
        Alibaba.com offers 103,330 humic acid products. About 19% of these are organic fertilizer, 1% are other fertilizers, and 1% are organic acid. 

A wide variety of humic acid options are available to you, such as humic acid, manure, and compost. You can also choose from organic fertilizer, compound fertilizer, and phosphate fertilizer. As well as from powder, granular, and liquid. And whether humic acid is quick, slow, or controlled. 

There are 103,330 humic acid suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of humic acid respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 18,104 with ISO9001, 12,124 with Other, and 2,171 with ISO14001 certification.