About product and suppliers:
            1,908 humic acid powder products are offered for sale by suppliers on Alibaba.com, of which organic fertilizer accounts for 89%, other non-metallic minerals & products accounts for 1%, and organic acid accounts for 1%. 

A wide variety of humic acid powder options are available to you, such as organic fertilizer. You can also choose from granular, powder, and liquid humic acid powder, as well as from slow, quick, and controlled humic acid powder, and whether humic acid powder is humic acid, seaweed, or compost. 

There are 1,908 suppliers who sells humic acid powder on Alibaba.com, mainly located in Asia. The top countries of suppliers are Germany, China, and Indonesia, from which the percentage of humic acid powder supply is 1%, 95%, and 2% respectively.