Urea is the most concentrated nitrogen fertilizer. It can be applied for all types of crops.
Chemical formula | CO(NH2)2 | |
---|---|---|
Characteristics | Urea is the most concentrated Nitrogen fertilizer. It contains Nitrogen in amide form, which in soil converts first into ammonium and then into nitrate forms. It is easily soluble in water. Using anti-caking agents ensures its free flowing during storing. Urea is not subject to RID or ADR regulations. | |
Parametres | Nitrogen (w tym biuret), between % (m/m) | 46 ± 0,4 |
Biuret, % (m/m) - not more than | 1,2 | |
Water, % (m/m) - not more than | 0,5 | |
Content of granules with size 1-3,15 mm, % (m/m) - not less than | 90 | |
Packing | Bulk | |
Transportation | The fertilizer should be transported in the means of transportation which protect the product from the action of water, precipitation, direct sunlight and damage to the packaging. The fertilizer is not subject to RID or ADR regulations. | |
Storage | Urea should be stored in dry, clean and well ventilated roofed compartments with moisture-proof foundation in the piles up to 10 layers of bags. Big-bags weighing up to 500kg may be stored in up to 2 layers. Urea must be protected from moisture. | |
Usage | Urea can be applied on all kinds of soils, except for very acid or just limed soils. It can be applied for all type of crops, both for seedbed and top dressing application. It can be applied in solid or liquid forms. | |
Recommended doses | Crops | Recommended dose (kg/ha) |
Winter cereals | 130 - 283 | |
Spring cereals | 65 - 261 | |
Spring rapeseed | 130 - 261 | |
Winter rapeseed | 304 - 435 | |
Potatoes | 130 - 261 | |
Sugarbeets and fodder beets | 283 - 391 | |
Mustard plant | 130 - 174 | |
Flax | 65 - 109 | |
Broad bean | 65 - 196 | |
Pea | 43 - 87 | |
Maize | 283 - 370 | |
Cereal-Legumes mixtures | 109 - 130 | |
Lucerne with grass | 174 - 391 | |
Grass | 370 - 500 | |
Grassland | 261 - 391 | |
While calculating dosage of the fertilizer one should take into account factors such as current soil analysis, its quality class and agronomical category, average yield per hectare in recent years, forecrop and the use of other nutritional components. |
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