UAN-28 - Urea Ammonium Nitrate Solution
UAN 28 Solution: Our Product Information
Risso® UAN 28 solution is a premium liquid nitrogen fertilizer (Urea Ammonium Nitrate solution, 28% Nitrogen) designed for modern agricultural applications. Combining the benefits of urea and ammonium nitrate, this high-efficiency fertilizer ensures rapid nutrient availability, enhanced nitrogen uptake, and improved crop yields. Ideal for fertigation, foliar spraying, or soil application, Risso® UAN 28 is trusted by farmers worldwide for its consistent performance and high purity.
Key Features of Risso® UAN 28 Solution
- 28% Total Nitrogen Content: Balanced combination of urea nitrogen (14%) and ammonium nitrogen (14%) for quick and sustained nutrient supply.
- Excellent Solubility: Completely water-soluble, enabling uniform distribution in irrigation systems or foliar sprays.
- Versatile Application: Suitable for a wide range of crops including cereals, vegetables, fruits, sugarcane, and cotton.
- Enhanced Fertilizer Efficiency: Minimizes nitrogen losses through volatilization, maximizing nutrient use efficiency.
- Safe and Easy Handling: Liquid formulation allows precise dosing with standard agricultural equipment.
Technical Specifications
| Parameter | Specification |
|---|---|
| Total Nitrogen (N) | 28% |
| Urea Nitrogen (N) | 14% |
| Ammonium Nitrogen (N) | 14% |
| Appearance | Clear, colorless to light yellow liquid |
| Density (20°C) | 1.32–1.34 g/cm³ |
| pH (10% solution) | 5.5–6.5 |
| Solubility | Completely soluble in water |
Benefits of Using Risso® UAN 28 Solution
- Rapid Nitrogen Uptake: Nitrogen is readily absorbed by plant roots and leaves, ensuring healthy vegetative growth.
- Improved Crop Yield and Quality: Supports greener foliage, stronger stems, and higher protein content in cereals and vegetables.
- Compatible with Other Fertilizers: Can be mixed with most water-soluble fertilizers and micronutrients to create tailored nutrient solutions.
- Sustainable Farming Solution: Reduces nitrogen losses, lowers environmental impact, and improves overall fertilizer efficiency.
Recommended Applications
1. Cereal Crops:
- Wheat, maize, rice – apply during vegetative growth for higher grain protein content and improved yields.
2. Vegetables:
- Tomatoes, peppers, leafy greens – enhances leaf color, uniform growth, and early harvest.
3. Fruits & Orchards:
- Citrus, apples, bananas – ensures adequate nitrogen supply during flowering and fruit development stages.
4. Other Crops:
- Sugarcane, cotton – boosts vegetative growth and supports strong fiber formation.
Dosage Guidelines:
- Typical application: 100–300 kg/ha depending on crop type, soil fertility, and growth stage.
- Apply via fertigation systems, foliar spray, or soil drenching.
- Avoid mixing with strong acids or oxidizing agents.




Packaging Options
- 1000 L IBC tanks for large-scale farming
- 200 L drums for medium-scale use
- Bulk tanker delivery for commercial operations

Frequently Asked Questions
A1: UAN 28 (Urea Ammonium Nitrate 28% Nitrogen) is a high-efficiency liquid nitrogen fertilizer that combines urea and ammonium nitrate for fast nutrient absorption and improved crop growth.
A2: UAN 28 solution can be applied via fertigation, foliar spray, or soil drenching. Typical rates range from 100–300 kg/ha depending on crop type and growth stage.
A3: UAN 28 solution is suitable for cereals (wheat, maize, rice), vegetables (tomatoes, leafy greens), fruits (apples, citrus), sugarcane, and cotton.
A4: UAN 28 ensures rapid nitrogen uptake, reduces volatilization losses, improves yield and crop quality, and is compatible with other water-soluble fertilizers.
A5: Yes, UAN 28 solution is compatible with most micronutrients and water-soluble fertilizers, but should not be mixed with strong acids or oxidizing agents.
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Product Catalog
- Product InformationProduct Information
- Key Features of UAN 28 SolutionKey Features of UAN 28 Solution
- Technical SpecificationsTechnical Specifications
- Benefits of Using UAN 28Benefits of Using UAN 28
- Recommended ApplicationsRecommended Applications
- Packaging OptionsPackaging Options
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Need a custom formula?
Contact our technical sales team for soil-specific recommendations and bulk pricing.
Why Choose Risso® UAN 28?
- Risso® has decades of expertise in producing high-purity nitrogen fertilizers. Risso® UAN 28 combines professional-grade quality, safe handling, and superior crop performance. Farmers worldwide trust Risso® for its consistent results, improving yield while maintaining sustainable farming practices.

