A marine-derived biostimulant obtained by enzymatically degrading alginate from brown seaweed.
From Qingdao Institute of Bioenergy & BioprocessTechnology Chinese Academy of Sciences.
With the highest bioactivity in the world. AOS containsunsaturated double bond (Key point for bioactivity of AOS)

Stimulate root and sprout
Promote the utilization of fertilizers, particularly nitrogen
High PolyG specificity, easy to mix with other fertilizer
Low molecular weight, high bioactivity, resistance to salt and stress
Root Use: 100-150g/ha
Foliar Use: Dilute by 30000-50000 times
Add in Other Fertilizer
NPK compound fertilizer: 0.5-1kg per ton
Root Fertilizer: 1-2kg per ton
Foliar Fertilizer: 5-10 kg per ton
Note: Compatible with most common fertilizers. Test for compatibility before large-scale application.


Qingdao MacroAlga Co., Ltd, founded by Qingdao Institute of Bioenergy and Bioprocess Technology (QBEBT)Chinese Academy of Sciences (CAS), is a
technology commercialization enterprise. We focus on research, development and production of biostimulants raw material
and own core technology patents about enzyme production and oligosaccharide degradation.
Our biostimulants have been exported to more than 30 countries in North America, Europe, Latin America, Asia and Africa.
• Enzymatic Seaweed Extract 10000 ton
• Alginate Oligosaccharide Powder 300 ton
• Chitosan Oligosaccharide Powder 500 ton
• Protein Hydrolysate (Chicken-derived Peptide) 1000 ton