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About product and suppliers:
        Alibaba.com offers 5,263 soluble humic acid products. About 88% of these are organic fertilizer, 4% are compound fertilizer, and 1% are organic acid. 

A wide variety of soluble 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 soluble humic acid is free samples, or paid samples. 

There are 5,256 soluble humic acid suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Turkey, and India, which supply 98%, 1%, and 1% of soluble humic acid respectively. 

Soluble humic acid products are most popular in Southeast Asia, South Asia, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 1,410 with ISO9001, 219 with ISO14001, and 108 with Other certification.