Liquid nitrogen fertilizers brand KAS-32, r.

Advanced Nitrogen Management: The Technical Profile of UAN-32 by EuroChem

UAN-32 (Urea-Ammonium Nitrate), produced by the Swiss company EuroChem, is a liquid nitrogen solution containing 25–35% total nitrogen. From an agronomic engineering perspective, the core value of this product is its trifecta of nitrogen forms: nitrate, ammonium, and amide. This combination facilitates an immediate physiological response upon application while ensuring a steady release of nitrogen throughout the critical stages of crop development, mitigating the risk of leaching.

Key Technical Components

• Immediate Availability: The nitrate fraction bypasses soil transformation processes, fueling rapid growth in early spring.
• Extended Release: The amide and ammonium components bind to soil colloids, providing a sustained nutritional supply that matches the crop's peak uptake curve.

The liquid state of the product (solution) allows for precision application, which is a significant departure from conventional granular distribution. Whether applied as a pre-plant broadcast or as a side-dress treatment for corn, wheat, or oilseed rape, UAN-32 ensures a homogeneous nutrient gradient across the field. With recommended application rates ranging from 10 to 200 kg/ha, it offers precise control over nitrogen density, directly impacting yield and protein content in grains.

Practical Application and Efficiency

The operational efficiency of UAN-32 from EuroChem is rooted in its compatibility with modern liquid application machinery. Its non-volatile nature (unlike anhydrous ammonia) and low toxicity profile (Class 3 hazard) simplify handling. Furthermore, the ability to tank-mix with compatible agrochemicals allows for reduced machine passes, effectively minimizing soil compaction—a vital factor for sustainable soil health. Because it is a aqueous solution, it provides superior uniformity, preventing the "patchy" growth patterns often associated with uneven spreading of granular fertilizers.