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About product and suppliers:
        Alibaba.com offers 11,850 humic acid powder products. About 87% of these are organic fertilizer, 2% are potassium fertilizer, and 1% are organic acid. 

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

There are 11,732 humic acid powder suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Turkey, which supply 98%, 1%, and 1% of humic acid powder respectively. 

Humic acid powder products are most popular in Mid East, Southeast Asia, and South Asia. 

You can ensure product safety by selecting from certified suppliers, including 3,723 with ISO9001, 526 with ISO14001, and 184 with Other certification.