ALGINATE OLIGOSACCHARIDE(liquid)
High-Concentration Solid Alginate Oligosaccharide (AOS): Potent Biostimulant for Enhanced Crop Growth, Stress Resistance, and Quality.

Details
Alginate Oligosaccharide Liquid (AOS 30%) is a high-activity biostimulant derived from brown algae through controlled degradation, containing the most bioactive fragments (DP 2–10) for rapid plant absorption and response. It promotes root initiation, fine root growth, and stable vegetative development, while stimulating endogenous hormonesto enhance tolerance to drought, salinity, temperature extremes, waterlogging, and viral stress. The liquid formulation offers superior compatibility and flexibility, mixing safely with calcium, magnesium, amino acids, humic and fulvic acids without flocculation, making it ideal for liquid fertilizers, foliar sprays, and fertigation systems.
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Benefits
• High-activity brown algae–derived oligosaccharid.
• 30% liquid AOS for fast absorption and uniform distribution.
• Promotes rooting, germination, and sustained crop growth.
• Enhances resistance to drought, cold, heat, salinity, waterlogging, and viruses.
• 30% liquid AOS for fast absorption and uniform distribution.
• Promotes rooting, germination, and sustained crop growth.
• Enhances resistance to drought, cold, heat, salinity, waterlogging, and viruses.
• Improves nitrogen uptake, amino acid synthesis, and protein formation.
• Reduces phytotoxicity and inhibits phytopathogenic bacteria.
• Excellent tank-mix compatibility, especially with Ca & Mg formulations.
• High thermal stability and formulation flexibility.
• Reduces phytotoxicity and inhibits phytopathogenic bacteria.
• Excellent tank-mix compatibility, especially with Ca & Mg formulations.
• High thermal stability and formulation flexibility.
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Field Application Cases
01
Recommended Application
| Application Method | Crop / Scenario | Application Stage | Dosage | Dilution / Preparation |
| As Raw Material Addition | Foliar fertilizer formulation | All crops | 6–10% | Add 60–100 L per 1000 L solution |
| Tank liquid fertilizer | All crops | 10–15% | Add 100–150 L per 1000 L solution | |
| Root Irrigation / Fertigation | Vegetables (tomato, watermelon, pepper, etc.) | After transplanting, continuous harvesting | 250–330 mL/ha | Add 30–50 mL per 1000 L water |
| Fruit trees (citrus, apple, grape, cherry) | Fruit enlargement / ripening | 250–330 mL/ha | Add 30–50 mL per 1000 L water | |
| Tuber crops (potato, beet, sweet potato) | Seedling & tuber expansion | 250–330 mL/ha | Add 30–50 mL per 1000 L water | |
| Leafy vegetables | Seedling & early maturity | 250–330 mL/ha | Add 30–50 mL per 1000 L water | |
| Foliar Spray | Field crops (wheat, corn, soybean) | Jointing, booting, pre-grain filling | 25–30 mL/ha | Add 30–50 mL per 1000 L water |
| Vegetables | Whole growth cycle | 25–30 mL/ha | Add 30–50 mL per 1000 L water | |
| Fruit trees | Flowering, fruit set, color turning | 25–30 mL/ha | Add 30–50 mL per 1000 L water |
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Honors and Qualifications
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about us
about us
about us
Welcome to CityMax Group
Citymax group was established in the ancient city of Xi’an. With subsidiaries:Xi’an Citymax AgroChemical Co.,Ltd., Xi’an Greenfert Crop Science Co.,Ltd., Shaanxi Citymax Agrotech Co.,Ltd.
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2012Establishment Time
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30+global Distributors
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70+countries

High-activity liquid alginate oligosaccharide (AOS 30%) for rapid plant response, promoting root development and fruit enlargement.







