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Help CenterUrea N 46% High Quality Agricultural Grade and Industrial Grade
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| Nitrogen | 46%min |
| Moisture | 0.3%max |
| Biuret | 1%max |
| Granulation | 1-4mm 90-94%min |
| Melting Point | 131-135 Degrees Celsius |
| Colour | Pure White Prilled |
| Radiation | Non-Radioactive |
| Free Ammonia | 160pxt ppm max |
Because of the high nitrogen concentration in urea, it is very important to achieve an even spread. The application equipment must be correctly calibrated and properly used. Drilling must not occur on contact with or close to seed, due to the risk of germination damage. Urea dissolves in water for application as a spray or through irrigation systems.
In grain and cotton crops, urea is often applied at the time of the last cultivation before planting. In high rainfall areas and on sandy soils (where nitrogen can be lost through leaching) and where good in-season rainfall is expected, urea can be side- or top-dressed during the growing season. Top-dressing is also popular on pasture and forage crops. In cultivating sugarcane, urea is side-dressed after planting, and applied to each ratoon crop.
In irrigated crops, urea can be applied dry to the soil, or dissolved and applied through the irrigation water. Urea will dissolve in its own weight in water, but it becomes increasingly difficult to dissolve as the concentration increases. Dissolving urea in water is endothermic, causing the temperature of the solution to fall when urea dissolves.
Usage:
- it is used as a surface fertilizer, alone or mixed with other fertilizers;
- it is very effective for crops with long growing seasons;
- determination on the field is based on the culture and climatic conditions and soil
- urea may be used on all soils;
- it is applied both early spring and during the vegetation.
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