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        Alibaba.com offers 2,876 bio improver products. About 7% of these are organic fertilizer, 2% are acidity regulators, and 2% are food additives. 

A wide variety of bio improver options are available to you, such as medicine grade, food grade. You can also choose from powder, granular, and liquid. 

There are 2,876 bio improver suppliers, mainly located in Asia. The top supplying country or region is China, which supply 100% of bio improver respectively. 

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Minimum Order: OK