Calcium ammonium nitrate
Calcium Ammonium Nitrate: The Premium Nitrogen Fertilizer Solution
Calcium ammonium nitrate (CAN) is a highly efficient nitrogen fertilizer that combines fast-acting nitrate nitrogen with the benefits of calcium. This unique formula makes it ideal for a wide range of agricultural applications, providing balanced nutrition while improving soil structure.
Product Specifications
- Chemical Formula: 5Ca(NO3)2·NH4NO3·10H2O
- Nitrogen Content: 27% (50% nitrate nitrogen, 50% ammonium nitrogen)
- Calcium Content: 8-12%
- Appearance: White/gray granular
- Particle Size: 2-4mm
- Bulk Density: 0.95-1.05 g/cm3
- Solubility: Highly water soluble
- pH Value: 5.5-6.5 (neutral reaction)
- Moisture Content: ≤1%
- Packaging: 25kg/50kg bags, 1MT big bags
| Fertilizer Type | N Content (%) | Additional Nutrients | Soil pH Impact |
|---|---|---|---|
| Calcium Ammonium Nitrate | 27 | 8-12% Calcium | Neutral |
| Ammonium Nitrate | 34 | None | Acidifying |
| Urea | 46 | None | Acidifying |
| Ammonium Sulfate | 21 | 24% Sulfur | Strongly acidifying |
Frequently Asked Questions About Calcium Ammonium Nitrate
Q: What are the main advantages of using calcium ammonium nitrate compared to other nitrogen fertilizers?
A: Calcium ammonium nitrate offers several key advantages: (1) It provides both fast-acting nitrate nitrogen and longer-lasting ammonium nitrogen. (2) The calcium content helps improve soil structure and prevent calcium deficiency in plants. (3) It has a neutral pH effect, making it suitable for various soil types. (4) Lower risk of nitrogen loss through volatilization compared to urea. (5) Excellent physical properties for storage and application.
Q: What crops benefit most from calcium ammonium nitrate application?
A: Calcium ammonium nitrate is particularly beneficial for: (1) Calcium-demanding crops like tomatoes, peppers, apples, and grapes which are prone to blossom-end rot or bitter pit. (2) Field crops such as wheat, corn, and canola during early growth stages. (3) Vegetables and fruits requiring balanced nitrogen nutrition. (4) Soils with low calcium content or acidic soils where conventional nitrogen fertilizers would further acidify the soil. (5) Crops grown in conditions where rapid nitrogen availability is crucial.
Q: How should calcium ammonium nitrate be stored and handled safely?
A: For safe storage and handling: (1) Store in a cool, dry place away from direct sunlight and heat sources. (2) Keep away from flammable materials, reducing agents, and acids. (3) Maintain original packaging until use to prevent moisture absorption. (4) Use appropriate personal protective equipment during handling (gloves, dust mask, eye protection). (5) Ensure good ventilation in storage areas. (6) Keep away from children and animals. Although calcium ammonium nitrate is less explosive than ammonium nitrate, proper storage conditions are essential to maintain product quality and safety.
Application Guidelines
For optimal results with calcium ammonium nitrate:
- Application Rate: 200-400 kg/ha for field crops, adjusted based on soil tests and crop requirements
- Application Timing: Best applied during early growth stages or as top dressing
- Application Methods: Can be broadcast, banded, or fertigated (dissolved in irrigation systems)
- Compatibility: Can be mixed with most other fertilizers except those containing phosphate in concentrated form
- Safety Interval: No harvest restrictions when used as directed
Environmental Benefits
Calcium ammonium nitrate offers several environmental advantages:
- Lower nitrogen losses through volatilization compared to urea-based fertilizers
- Reduced soil acidification compared to ammonium-based fertilizers
- Improved nitrogen use efficiency due to dual nitrogen forms
- Calcium content helps maintain soil structure and cation exchange capacity