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About product and suppliers:
        Alibaba.com offers 12,175 humic acid powder products. About 88% of these are organic fertilizer, 1% are herbal extract, and 1% are antineoplastic 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 12,175 humic acid powder suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% 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 4,138 with ISO9001, 506 with ISO14001, and 242 with Other certification.