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About product and suppliers:
        Alibaba.com offers 320 k2o humate powder products. such as free samples, paid samples. 

There are 320 k2o humate powder suppliers, mainly located in Asia. The top supplying countries are China (Mainland), South Africa, and Germany, which supply 99%, 1%, and 1% of k2o humate powder respectively. 

K2o humate powder products are most popular in South Asia, Mid East, and South America. 

You can ensure product safety by selecting from certified suppliers, including 114 with ISO9001, 45 with ISO14001, and 18 with OHSAS18001 certification.