UAN 26+4S
Liquid nitrogen fertilizer “UAN 26+4S”
Urea ammonium nitrate solution with sulfur (26% total nitrogen + 4% sulfur)
TU U 20.1-36584168-006:2019
Sales/packaging terms: EXW, FCA, bulk
Delivery terms: own transport across Ukraine or self-pickup
Shipment from | Husky, Cherkasy region. | Lighthouses, Mayaki, Vinnytsia region. | Ternopil |
---|---|---|---|
Price, UAH | 17 900 | 17 900 | 18 300 |
- amino acid and protein synthesis;
- activation of nitrogen metabolism;
- enhanced nitrogen uptake efficiency.
Recommended use:
- base application — before sowing with incorporation into soil;
- pre-sowing application — can be mixed with other fertilizers;
- top dressing during vegetation — for cereals, corn, rapeseed, and industrial crops;
- foliar application — in diluted concentrations (7–12%);
- fertigation — especially effective in intensive vegetable cultivation.
Limitations and warnings:
- avoid application during hot weather or high solar activity;
- do not apply to wet foliage without dilution;
- crystallization temperature –14…–17 °C;
Appearance and color: Light yellow liquid with a characteristic odor of its components.
Density, g/cm³ | 1,25 – 1,29 |
Alkalinity, % | 0,01 – 0,5 |
Mass fraction of ammonium nitrate, % | 18 – 26 |
Mass fraction of urea, % | 29 – 37 |
Mass fraction of ammonium sulfate, % | 14 – 18 |
Mass fraction of water, % | 40 – 20 |
Mass fraction of sulfur, % | 3 – 4 |
Mass fraction of total nitrogen, % | 24 – 26 |
- store in airtight, sealed containers such as IBC tanks, corrosion-resistant reservoirs, or tanker trucks;
- storage area must be protected from direct sunlight, precipitation, and temperature extremes;
- optimal storage temperature: +5 °C to +25 °C;
- Crystallization temperature: –14 °C;
- prevent contamination with foreign matter (soil, crop protection products, pesticides, water);
- do not discharge into sewers or water bodies — disposal must comply with current environmental regulations.
Not recommended: do not store below 0 °C or in contact with unprotected carbon steel — risk of crystallization or stratification due to sulfate content.
Guaranteed shelf life: when stored and transported under proper conditions, the product remains usable for 6 months from the production date. After the expiration of the guaranteed storage period, the fertilizer must be tested for compliance with technical requirements before use.
Crop | Application period / rate (kg/are) | Special application conditions | |||
---|---|---|---|---|---|
Pre-sowing cultivation | Spring regrowth stage / 2–3 leaf pairs*, **start of vegetation | Before stem elongation, fertilization* | Heading stage | ||
Cereal сrops | |||||
Winter wheat, winter rye | - | 1,8-2,4 | - | - | spring regrowth, thinned crops |
- | 0,9-1,2 | - | - | spring regrowth, optimal stand density | |
- | - | 0,9 in a 1:2 water solution | - | before stem elongation/when combined with herbicide application – dilute 1:3 or 1:4 | |
- | - | - | 0,3 | Heading stage / apply as needed using a 1:2 water solution | |
Millet, buckwheat | 0,9-1,4 | - | - | - | before cultivation prior to sowing |
Spring wheat | 1,86 | - | - | - | for basic tillage or cultivation on typical black soil |
2,74 | - | - | - | for main tillage or cultivation on leached chernozems and dark gray leached soils | |
Spring triticale | 1,86 | - | - | - | in areas with insufficient moisture, apply entirely during pre-sowing cultivation. |
Spring barley | 1,8-2,4 | - | - | - | applied prior to autumn plowing |
1,2-1,8 | - | - | - | during spring cultivation | |
Maize | 1,8-3,0 | - | - | - | before autumn plowing / before spring cultivation |
- | 0,9** | - | - | fertilization between rows before the 3–5 leaf stage, under adequate moisture conditions | |
Oats | 1,0-1,8 | - | - | - | Increase the application rate by 30% after cereal precursors |
Peas | 1,15 | - | - | - | before pre-sowing cultivation |
Industrial crops | |||||
Sunflower | 1,7 | - | - | - | apply during pre-sowing cultivation if nitrogen fertilizers were not applied, or in autumn during plowing |
- | 1,0* | - | - | apply between rows with working into the soil in the phase of 2-3 pairs of true leaves | |
- | 0,3-1,0* | - | - | or foliarly with a solution with water in a ratio of 1:3 | |
Soybeans | 0,9 | - | - | - | before pre-sowing cultivation |
Sugar beet | 2,7 | - | - | - | before pre-sowing cultivation |
- | 0,9 | - | - | Foliar application at 1:3 dilution with water (if necessary, in the phase of 2-3 pairs of true leaves - before the phase of leaf closure in rows) | |
Oilseeds | |||||
Winter rape | 1,4 | - | - | - | for pre-sowing tillage, if nitrogen fertilizers were not applied or in the fall for plowing |
- | *2.4-3.7 in a solution with water 1:2 | - | - | *when forming a leaf rosette (foliar) | |
- | - | *1.2-2.4 in a solution with water 1:2 | - | in the phase of stem formation (foliar) | |
Spring rapeseed | 1,4 | - | - | - | for pre-sowing cultivation |
- | *2.4-3.7 in a solution with water 1:2 | - | - | *when forming a leaf rosette (foliar) | |
- | - | *1.2-2.4 in a solution with water 1:2 | - | *in the phase of stem formation (foliar) | |
Oil flax | 1,2 | - | - | - | before pre-sowing soil cultivation |
Vegetables | |||||
Tomatoes | 3,0-4,3 | - | - | - | during plowing |
2,4 | - | - | - | if no other nitrogen fertilization is planned | |
1,2 | - | - | - | if other nitrogen fertilizers are planned | |
Peppers | 3,7-4,3 | - | - | - | during plowing |
2,4 | - | - | - | if no other nitrogen fertilization is planned | |
1,8 | - | - | - | when planning fertilization with other nitrogen fertilizers | |
Zucchini | 3,0-3,7 | - | - | - | during plowing |
2,4 | - | - | - | if no other nitrogen fertilization is planned | |
1,5 | - | - | - | if other nitrogen fertilizers are planned | |
Cucumber | 2,6-3,1 | - | - | - | during plowing |
2,1 | - | - | - | if no other nitrogen fertilization is planned | |
1,5 | - | - | - | if other nitrogen fertilizers are planned | |
Aubergine | 2,4-3,7 | - | - | - | during plowing |
1,8 | - | - | - | if no other nitrogen fertilization is planned | |
0,6 | - | - | - | when planning fertilization with other nitrogen fertilizers | |
Potatoes and other root crops | |||||
Potatoes, table beets, carrots, radishes | 2,3 | - | - | - | apply to soil before pre-sowing cultivation. Can be used prior to sowing operations |
Fruit trees and berry trees | |||||
Apple tree | - | 2,9 | - | - | top dressing in the spring before flowering in a solution with water 1:2 |
Pear tree | - | 2,1 | - | - | spring fertilization before flowering |
Cherry tree | - | 3,5 | - | - | spring fertilization before flowering |
Raspberry | 2,7 | - | - | - | spring fertilization before the start of vegetation |
Wild Strawberry/Garden Strawberry | 1,8 | - | - | - | spring fertilization before vegetation starts, using a 1:2 water solution |
Flowers and lawn grasses | |||||
Rose | 2.3 in a solution with water in a ratio of 1:2 | first spring fertilization before vegetation (sap flow). Apply by watering under the bush at temperatures above 10°C, in the morning or evening, in calm, dry weather | |||
second fertilization at the bud emergence stage, but before flowering. Apply by watering under the bush at temperatures above 10°C, in the morning or evening, in calm, dry weather | |||||
Annual and perennial grasses | 1,9 | - | - | - | before cultivation prior to sowing |
Note: apply UAN at an air temperature not exceeding +15...+18 C. Apply after sunset (during the daytime, drops of the solution can create a lens effect, burning leaf tissue). Do not apply during rain and dew. Work with a large drop so as not to cause leaf burns