
Nitrogen Supply: UAN contains three forms of nitrogen-urea, ammonium, and nitrate-each offering distinct availability:
Nitrate (NO₃⁻): Immediately available for plant uptake.
Ammonium (NH₄⁺): Available for slightly longer and helps reduce nitrate leaching.
Urea: Slowly converted to ammonium and nitrate, ensuring a longer nitrogen supply.
UAN for Lettuce
Lettuce is a fast-growing crop that requires a high level of nutrients to produce the tender leaves that we all love. Fertigation with UAN can provide the necessary nutrients while also promoting healthy growth and disease resistance.
To apply UAN for fertigation in lettuce, the following steps can be taken:
1. Calculate the required amount of UAN based on the crop’s nutrient needs and the irrigation rate.
2. Add the UAN to the irrigation water tank and mix well.
3. Apply the UAN-fertilized water to the soil slowly and evenly, ensuring that the root zone is well-covered.
4. Repeat the fertigation process as needed, based on the crop’s growth stage and nutrient requirements.
By using UAN as a fertigation fertilizer for lettuce, farmers can expect to see improved crop yield and quality, with a reduction in the use of traditional fertilizer by up to 30%.
UAN for Broccoli
Similar to lettuce, broccoli also requires high levels of nutrients for optimal growth and yield. Using UAN for fertigation can help achieve these requirements while promoting healthy foliage, larger heads, and better quality produce.
To apply UAN for fertigation in broccoli, the following steps can be taken:
1. Calculate the required amount of UAN based on the crop’s nutrient needs and the irrigation rate.
2. Add the UAN to the irrigation water tank and mix well.
3. Apply the UAN-fertilized water to the soil slowly and evenly, ensuring that the root zone is well-covered.
4. Repeat the fertigation process as needed, based on the crop’s growth stage and nutrient requirements.
Using UAN as a fertigation fertilizer for broccoli can help farmers produce more uniform and high-quality yields. It also improves plant health and reduces the potential for disease outbreaks.
Conclusion
By using UAN for fertigation in lettuce and broccoli, farmers can be assured of improved crop yields, quality, and healthy plant growth. While it may require some initial calculations and planning, the benefit is well worth the effort, as it leads to higher productivity and profitability.
UAN Liquid Fertilizer Product Specification
| Item | Index | |
| Appearance | Colourless liquid, light spicy smell of ammonia |
Colourless liquid, light spicy smell of ammonia |
| Total N content % | 30-30.3 | 32-32.3 |
| Ammonium Nitrate % | 40-44 | 42–47 |
| Urea % | 31-34 | 34-37 |
| Moisture % | 29-22 | 24-16 |
| Free ammonium % ≤ | 0.05 | 0.05 |
| Solubility (0-2°C)% | 100 | 100 |
| PH ( in 10% AN solution) | 6.0-7.5 | 6.0-7.5 |
| Crystalization temperature | 0°C | 0°C |
| Density(25) | 1.3(1.30-1.31) | 1.3(1.315-1.325) |
| Heavy metal | 4ppm | 4ppm |
Storage: Store away from incompatible materials or sources of heat and ignition. Empty containers may contain residue and can be dangerous. Do not pressurize, cut,weld, braze, solder, drill, grind or expose such containers to heat, flames,sparks or other sources of ignition; they may evolve poisonous gas and cause injury or death.
| FAQ |
Q1: What are the recommendations for using this product?
A:This product provides nitrogen fertilizer, suitable for a variety of plants, generally recommended to do topdressing use. When used through irrigation system, special attention should be paid not to over-irrigation, only wetting the root zone is appropriate, otherwise it will cause nitrogen loss and reduce fertilizer efficiency.
Q2: Can this product be mixed with other fertilizers?
A: The biggest use of this product is as the basic raw material of liquid compound fertilizer, and water-soluble phosphate potassium fertilizer and other medium and trace elements fertilizer together to form liquid compound fertilizer.
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