Need Help? Call Steve Nice

423-202-6145

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 (Free Shipping) | 1 kg (15% tariff + $60 FedEx shipping) | Bulk packs available. For larger orders, contact (steve@chitosanglobal.com)

Price range: $40.00 through $135.00

Major Credit Cards Accepted

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 (Free Shipping) | 1 kg (15% tariff + $60 FedEx shipping) | Bulk packs available. For larger orders, contact (steve@chitosanglobal.com)

Price range: $40.00 through $135.00

Major Credit Cards Accepted

Need Help? Call Steve Nice

423-202-6145

Description

RY-COS90 Agricultural Chitosan Oligosaccharide | Crop Biostimulant Supplier for Yield Growth, Root Strength & Plant Defense

High-Purity Agricultural Input Designed for Stronger Plants, Better Yield Performance & Sustainable Farming

Modern growers need more than basic fertilizer. Today’s crop production systems face rising pressure from:

  • nutrient inefficiency
  • weather stress
  • disease outbreaks
  • soil fatigue
  • inconsistent harvest quality
  • higher production costs

Using only conventional inputs often leaves performance gaps.

RY-COS90 Agricultural Chitosan Oligosaccharide is a high-purity biological crop input formulated to support plant strength, nutrient efficiency, root activity, and natural crop defense.

It is ideal for growers, distributors, and fertilizer companies looking for advanced solutions for modern agriculture.


What is RY-COS90?

RY-COS90 is a water-soluble agricultural chitosan oligosaccharide produced from sea-source raw materials and refined for commercial crop use.

This product is designed to function as:

  • plant biostimulant
  • root development enhancer
  • crop stress management input
  • nutrient efficiency support material
  • biological defense activator

Unlike raw chitosan powders, oligosaccharide grades dissolve rapidly and integrate easily into spray and irrigation systems.

For broader crop use strategies, explore


Why High-Purity Chitosan Oligosaccharide Matters

Many agricultural additives contain low active content or inconsistent raw materials.

RY-COS90 offers:

  • Purity ≥90%
  • stronger concentration of usable actives
  • easier formulation efficiency
  • lower filler load
  • more consistent field performance

For commercial buyers, purity can directly affect customer satisfaction and repeat orders.


How RY-COS90 Works in Plant Systems

1. Supports Natural Crop Defense

Chitosan materials are widely recognized for stimulating plant defense responses.

This may help crops manage:

  • fungal pressure
  • bacterial stress
  • environmental stress conditions

2. Encourages Root Growth

Strong root systems help plants capture more water and nutrients.

RY-COS90 is used in programs focused on:

  • transplant establishment
  • root mass development
  • stronger nutrient access

3. Improves Nutrient Efficiency

Instead of only increasing fertilizer rates, growers use biological materials to help plants use nutrients more effectively.

Useful for:

  • balanced growth stages
  • fertilizer optimization
  • reduced nutrient waste

4. Enhances Plant Growth

Supports stronger vegetative development and greener foliage.

check our plant growth applications


5. Helps Manage Stress Conditions

Used during:

  • drought periods
  • salinity stress
  • transplant shock
  • heat fluctuations

Technical Product Information

Product Name: RY-COS90
Type: Chitosan Oligosaccharide
Grade: Agricultural Grade
Source: Sea Source
Purity: ≥90%
Appearance: Light Yellow Powder
Solubility: Fully Water-Soluble


Best Agricultural Application Systems

Foliar Spray

Used where fast plant response is needed.

Supports:

  • leaf health
  • vigor
  • crop defense activation

Drip Irrigation / Fertigation

Integrates into modern irrigation systems for root-zone support.


Soil Application

Supports healthier crop establishment and nutrient activity.


Seed Treatment

Useful in seed coating systems targeting:

  • germination support
  • early vigor
  • stand uniformity

Target Crop Markets

Vegetables

Tomato, cucumber, pepper, leafy greens.

Fruit Crops

Berries, grapes, citrus, orchard systems.

Field Crops

Corn, rice, wheat, soybean.

Greenhouse Agriculture

High-value crops requiring consistency and stronger plant health.


Why Buyers Choose RY-COS90

For Fertilizer Companies

Strong ingredient for premium biological blends.

For Distributors

Growing demand for sustainable crop inputs.

For Growers

Practical support for yield, root health, and resilience.

For Private Label Brands

Excellent raw material for branded agriculture products.


RY-COS90 vs Low-End Generic Inputs

Feature Generic Powders RY-COS90
Purity Variable High
Solubility Inconsistent Excellent
Crop Defense Value Low Strong
Root Support Basic Strong
Commercial Trust Low High

Bulk Supply Options

Available for:

  • sample requests
  • 1 kg packs
  • commercial bulk orders
  • distributor supply

Documents Available

  • COA
  • technical specs
  • pricing quote
  • shipping support

Frequently Asked Questions

Is RY-COS90 a fertilizer?

No. It is a crop biostimulant used alongside fertilizer systems.

Can it be used in foliar spray systems?

Yes. It is fully water-soluble.

Why choose 90% purity?

Higher purity generally improves consistency and formulation value.

Who buys this product?

Growers, distributors, fertilizer companies, and agricultural brands.

Can it be used on multiple crops?

Yes. It is suitable for vegetables, fruits, field crops, and greenhouse systems.


Request Bulk Pricing

If you are sourcing a reliable agricultural chitosan oligosaccharide supplier, RY-COS90 is positioned for modern crop systems and scalable commercial demand.

Contact:
steve@chitosanglobal.com

Increase crop performance, strengthen plant resilience, and improve agricultural product value with RY-COS90.

Additional information

Package Size

25g, 1kg

Grade

Agricultural, Feed

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