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About product and suppliers:
        Alibaba.com offers 12,536 humic acid powder products. About 88% of these are organic fertilizer, 1% are herbal extract, and 1% are antibiotic and antimicrobial agents. 

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

There are 12,412 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 South Asia, Mid East, and Southeast Asia. 

You can ensure product safety by selecting from certified suppliers, including 4,145 with ISO9001, 505 with ISO14001, and 245 with Other certification.