Ou color for fertilize is made from Kelp seaweed. Kelp seaweed is a kind of delicious sea food for Chinese, Korean and Japanese. Besides alginate acid, it contains luxuriant mannitol, iodine, gibberellin, CTK, indoleacetic acid and many necessary microelementfor crops,for example, Fe, Mg, Mn, Zn, etc.In fact, Kelp seaweed is the best and most expensive raw material of seaweed fertilizer. We producecolor for fertilize bbiodegradation. We have gained IMO organic certificate,ISO: 9001 ISO:14001 certificate and other certificates used for production, environment protection and export.We do not add any chemical products or damagethe active constituent of seaweed during the process and remain all the nutrients of Kelp seaweed. We do not extract any element, so all the nutrients of seaweed can be used infertilizing the crop.Wehave beenconcentrate on fertilizer production for 7 years and continue our ideas in the future, this is the biggest advantage upon other seaweed fertilizer manufacturer from China.