Description
RY-COS90 – Agricultural Grade Chitosan Oligosaccharide (Sea Source)
RY-COS90 is a highly effective, bioactive powder derived from high-purity marine sources. Designed as a premium biofertilizer, it provides a natural and sustainable way to enhance plant vitality, improve disease resistance, and boost overall crop productivity.
Key Features
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High Purity Content: Guaranteed ≥90% chitosan oligosaccharide content for maximum biological activity.
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Exceptional Solubility: Water-soluble light yellow powder that ensures easy mixing and uniform application.
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Bioactive Formulation: Specifically engineered to be easily absorbed by plants through both foliar and soil applications.
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Sea Source Origin: Environmentally friendly and sustainable origin, ideal for modern integrated pest management and organic-leaning practices.
Core Benefits
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Immune System Enhancement: RY-COS90 acts as a natural elicitor, significantly strengthening plant immune systems against pathogens.
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Disease & Stress Resistance: Helps crops better withstand environmental stressors (drought, heat, salinity) and actively resist common diseases.
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Sustainable Growth: Promotes healthier plant metabolism, leading to improved vigor and yield without the use of harsh chemical growth regulators.
Applications
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Concentration: Recommended application at a 0.5–1.5% concentration.
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Dilution: Mix at a ratio of 500–1000 times with water for optimal coverage.
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Versatility: Suitable for use as a soil drench or a foliar spray across a wide range of crops.
Frequently Asked Questions (FAQ)
1. What makes RY-COS90 different from other chitosan products?
RY-COS90 is refined into oligosaccharides with high purity ≥90%, making it much more bioactive and easier for plants to absorb than standard, high-molecular-weight chitosan.
2. How often should I apply RY-COS90?
While specific needs vary by crop, it is generally applied during key growth stages or periods of environmental stress to maintain high immune levels and vigor.
3. Can I use RY-COS90 in my irrigation system?
Yes. Because it is a highly soluble powder, it can be easily integrated into soil drenching or irrigation systems without clogging.


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