About product and suppliers:
            826 humic acid powder leonardite products are offered for sale by suppliers on Alibaba.com, of which organic fertilizer accounts for 92%, plant growth regulator accounts for 1%, and biological fertilizer accounts for 1%. 

A wide variety of humic acid powder leonardite options are available to you, such as powder, granular, and liquid. You can also choose from quick, slow, and controlled humic acid powder leonardite, as well as from manure humic acid powder leonardite

There are 826 suppliers who sells humic acid powder leonardite on Alibaba.com, mainly located in Asia. The top countries of suppliers are Germany, China, from which the percentage of humic acid powder leonardite supply is 1%, 93% respectively.