VERNADO LIQUID Urea Ammonium Nitrate (UAN)

Urea Ammonium Nitrate (UAN 32) Liquid Fertilizer – High-Efficiency Nitrogen Solution

Urea Ammonium Nitrate (UAN 32) is a premium liquid nitrogen fertilizer, combining urea and ammonium nitrate for both quick and slow-release nitrogen absorption. Ideal for boosting pasture and crop growth, especially in cooler seasons.

Packaged in IBC Pods for easy shipping, storage and handling.
Application Rate: 20–25L/Ha with 100–150L water/Ha, depending on desired results.
Enhance pasture growth in the cooler seasons with our Pasture-Boost Pack – [Learn More Here].
Improve application efficiency with a surfactant – [See Options Here].

*Recommended to do a trial test plot before applying with some chemicals.

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What is UAN (Urea Ammonium Nitrate)?

UAN is a liquid nitrogen fertilizer that consists of a mixture of urea, ammonium nitrate, and water. It is available in varying nitrogen concentrations, typically 28%, 30%, or 32% nitrogen by weight (W/W), or 35%, 38%, or 40% by volume (W/V). UAN is a highly concentrated and readily available nitrogen source that provides farmers with the flexibility to efficiently meet crop nutrient demands.

UAN's combination of urea and ammonium nitrate ensures a balanced nitrogen release. Each nitrogen form within UAN has distinct advantages:

Urea (NH₂CONH₂): A nitrogen source that needs to be converted into ammonium and nitrate before it is available to plants.

Ammonium (NH₄⁺): A stable nitrogen form that resists leaching, making it available to crops for longer periods.

Nitrate (NO₃⁻): An immediately available form of nitrogen that boosts rapid plant growth.

This multi-form nitrogen delivery ensures that plants have continuous access to nitrogen throughout their growing cycles.

Key Benefits of Using UAN (Urea Ammonium Nitrate) in Agriculture

1. Flexible Application Methods for Diverse Farming Systems

One of the standout features of UAN is its versatility in application. UAN can be applied via spraying, fertigation (using irrigation systems), or direct soil injection. This flexibility makes UAN an ideal solution for different farming operations, whether you're growing row crops, pastures, or vegetables. Its liquid form allows for easy incorporation into existing equipment, streamlining the application process.

2. Uniform Distribution for Consistent Growth

As a liquid, UAN ensures even nitrogen application, promoting uniform crop growth. Even distribution helps prevent nitrogen "hot spots" or deficiencies that can lead to uneven crop performance, thus optimizing overall yield.

3. Compatibility with Other Fertilizers and Crop Protection Products

UAN can be mixed with other fertilizers, pesticides, and crop protection chemicals, making it a cost-effective and efficient choice. The ability to mix UAN with other nutrients enhances nutrient uptake while reducing the number of applications and associated costs.

4. Lower Volatilization Risk Than Urea Alone

One of the main advantages of using UAN over pure urea is the reduced volatilization risk. When urea is applied to the soil surface, it can be lost to the atmosphere through volatilization, especially under hot and dry conditions. UAN, however, is less prone to volatilization, making it a more reliable nitrogen source, provided it is applied properly.

5. Convenient Storage and Handling

Unlike granular fertilizers, which can be bulky and difficult to handle, UAN's liquid form makes it easier to store, transport, and apply. This is particularly beneficial for large-scale operations that need to manage and store large quantities of fertilizer.

Best Practices for Applying UAN to Maximize Effectiveness

To get the best results from Urea Ammonium Nitrate, it’s important to follow a few best practices that optimize nutrient uptake, reduce waste, and minimize environmental impact.

1. Timing Your Application

Proper timing is crucial to maximizing the efficiency of UAN. The best time to apply UAN is when crops have the highest nitrogen demand, typically during periods of active growth. Applying UAN during these stages ensures that crops can absorb the maximum amount of nitrogen when they need it most.

2. Avoid Surface Application Without Incorporation

When applying UAN to the soil surface, it’s important to incorporate it using rainfall, irrigation, or mechanical techniques. This helps reduce the risk of nitrogen loss through volatilization, ensuring that the fertilizer is available for uptake by the crops.

3. Use Additives to Slow Nitrogen Loss

To further enhance the effectiveness of UAN, consider using urease inhibitors or nitrification inhibitors. These additives help slow the conversion of urea into ammonia or nitrate, thereby reducing nitrogen loss and improving nutrient availability for crops.

4. Regular Soil and Crop Monitoring

Conducting regular soil tests is essential to determine the correct nitrogen application rates. By monitoring soil nutrient levels and crop health, you can make informed decisions on how much UAN to apply and when. This helps to prevent both nitrogen deficiency and excessive nitrogen application, both of which can harm crop growth and the environment.

5. Factor in Environmental Conditions

Environmental conditions can impact the effectiveness of UAN. Avoid applying UAN before heavy rainfall, which can increase the risk of nutrient leaching into waterways. Applying UAN during dry weather or when crops are actively growing ensures that nitrogen is absorbed efficiently and reduces the potential for runoff.

Maximizing Sustainability with UAN: A Key to Profitable Farming

UAN is a powerful tool for modern farmers, offering high nitrogen efficiency and flexible application methods. However, to truly optimize its benefits, it’s crucial to follow best management practices that protect the environment and maximize crop productivity. By applying UAN at the right time, using inhibitors when needed, and monitoring soil and crop needs, farmers can achieve sustainable and profitable farming systems.

Conclusion: UAN as a Vital Nitrogen Fertilizer for Agricultural Success

In conclusion, Urea Ammonium Nitrate (UAN) is an effective, reliable, and versatile fertilizer that is ideal for modern agricultural practices. With its balanced nitrogen release, flexibility in application, and compatibility with other inputs, UAN has become a go-to fertilizer for many farmers worldwide. By using best practices for UAN application, farmers can improve crop yields, reduce nitrogen losses, and achieve better environmental outcomes. As agricultural technology continues to advance, UAN remains a cornerstone of efficient and sustainable farming practices.