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About product and suppliers:
        Alibaba.com offers 11,841 bio fertilizer products. About 53% of these are organic fertilizer, 11% are biological fertilizer, and 3% are compound fertilizer. 

A wide variety of bio fertilizer options are available to you, such as humic acid, compost, and manure. You can also choose from granular, liquid, and powder. As well as from quick, controlled, and slow. And whether bio fertilizer is free samples, or paid samples. 

There are 11,295 bio fertilizer suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Vietnam, which supply 88%, 6%, and 1% of bio fertilizer respectively. 

Bio fertilizer products are most popular in Mid East, Domestic Market, and North America. 

You can ensure product safety by selecting from certified suppliers, including 8,816 with ISO9001, 2,781 with FSC, and 538 with Other certification.