Certifications
Van Iperen Ammonium Sulphate Horticultural Grade is a highly pure Nitrogen fertilizer which dissolve rapidly and completely. Our product is not sensitive to caking and is recommended during periods of vegetative growth. The high level of Nitrogen in our formula improves cell elongation and contributes to the production of protein, supporting enzymatic reactions.
- Improves vegetative growth
- Developed for fertigation in open field and greenhouses. Also suitable for foliar application
Certifications
- Low in heavy metals
- Low in Sodium and Chloride
- White crystals
- Production process certified according to ISO 9001:2008
- Easy to handle, dissolve and apply
Fertigation
| Crop | Application date | Min kg/ha/season | Max kg/ha/season |
|---|---|---|---|
Potato |
• Until tuber setting | 200 | 300 |
Bulbous vegetables |
• During vegetative growth | 150 | 300 |
Vineyards |
• During leaf bud opening | 100 | 200 |
Banana |
• During entire fertigation program | 200 | 500 |
Citrus  |
• Spring application • Winter application |
200 | 400 |
Pineapple |
• During first half of fertigation program | 180 | 220 |
Foliar Application
| Crop | Application date | Min kg / ha / appl | Max kg / ha / appl | Conc. % (w/v)) |
|---|---|---|---|---|
Cereals |
1 application: • Until elongation |
2 | 4 | 0.5 - 1.0 |
Arable crops |
1 - 3 applications: • Until first half of crop cycle |
2 | 4 | 0.5 - 1.0 |
| Bulbous vegetables |
1 - 2 applications: • During vegetative growth |
3 | 4 | 0.5 |
Soybean |
1 - 2 applications: • During vegetative growth |
2 | 3 | 0.5 |
| Pineapple |
1 - 2 applications: • Until first half of crop cycle |
3 | 6 | 1.0 |
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Compatible with other fertilizers, except Calcium-containing fertilizers. Therefore, a separate fertilizer dissolving tank is required or the fertilizers must be applied at different times.
