Need Help? Call Steve Nice

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RY-COS90 – Agricultural Grade Chitosan Oligosaccharide (Sea Source)

Enhance plant immunity and stress resistance with RY-COS agricultural-grade chitosan oligosaccharide. Water-soluble, bioactive powder for foliar or soil application.

  • Item: RY-COS90
  • BP: RX250710
  • FOB: China
  • Grade: Agricultural

  • Used as: Biofertilizer

  • Product Appearance: Light Yellow Powder

  • Content: ≥90%

  • Function:

    • Enhances plant immune systems

    • Helps resist diseases and stress

    • Applied at 0.5–1.5% concentration via soil or foliar spraying

  • Application dilution: 500–1000 times with water

  • Origin: Sea Source

  • MOQ: 25 g sample (no tariff & Free Shipping) | 1 kg (50% tariff + $60 FedEx shipping) | Bulk packs available. For larger orders, contact (steve@chitosanglobal.com)

Price range: $40.00 through $65.00

RY-COS90 – Agricultural Grade Chitosan Oligosaccharide (Sea Source)

Enhance plant immunity and stress resistance with RY-COS agricultural-grade chitosan oligosaccharide. Water-soluble, bioactive powder for foliar or soil application.

  • Item: RY-COS90
  • BP: RX250710
  • FOB: China
  • Grade: Agricultural

  • Used as: Biofertilizer

  • Product Appearance: Light Yellow Powder

  • Content: ≥90%

  • Function:

    • Enhances plant immune systems

    • Helps resist diseases and stress

    • Applied at 0.5–1.5% concentration via soil or foliar spraying

  • Application dilution: 500–1000 times with water

  • Origin: Sea Source

  • MOQ: 25 g sample (no tariff & Free Shipping) | 1 kg (50% tariff + $60 FedEx shipping) | Bulk packs available. For larger orders, contact (steve@chitosanglobal.com)

Price range: $40.00 through $65.00

Need Help? Call Steve Nice

423-202-6145

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

  • High Purity Content: Guaranteed ≥90% chitosan oligosaccharide content for maximum biological activity.

  • Exceptional Solubility: Water-soluble light yellow powder that ensures easy mixing and uniform application.

  • Bioactive Formulation: Specifically engineered to be easily absorbed by plants through both foliar and soil applications.

  • Sea Source Origin: Environmentally friendly and sustainable origin, ideal for modern integrated pest management and organic-leaning practices.

Core Benefits

  • Immune System Enhancement: RY-COS90 acts as a natural elicitor, significantly strengthening plant immune systems against pathogens.

  • Disease & Stress Resistance: Helps crops better withstand environmental stressors (drought, heat, salinity) and actively resist common diseases.

  • Sustainable Growth: Promotes healthier plant metabolism, leading to improved vigor and yield without the use of harsh chemical growth regulators.

Applications

  • Concentration: Recommended application at a 0.5–1.5% concentration.

  • Dilution: Mix at a ratio of 500–1000 times with water for optimal coverage.

  • 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.

Additional information

Package Size

25g, 1kg

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