Certifications
Van Iperen WS NPKs are top quality blends made from the purest raw materials, with limited caking sensitivity and with high level EDTA-chelated micro-nutrients for fertigation or foliar application. Van Iperen WS NPK | 13 - 7 - 24 + 2MgO + 7CaO + TE is part of our NPK Calcium line. Our NPK Calcium line offers unique formulas combining the same high quality NPKs with readily available Calcium for the crops. This line especially addresses fertigation using rain water, offering a complete rich and efficient solution. As Nutrient Use Efficiency remains our main concern at Van Iperen, we try our best to come with adequate solutions for all situations.
- Improves fruit quality, shelf life and increases plant drought resistance
- Micronutrients 100% chelated and fully available
- Developed for fertigation in open field and greenhouses. Also suitable for foliar application
- Produced in a broad range of intense colours, to distinguish the product and the final solution
Certifications
- Rapidly dissolvable
- Low on Sodium and Chloride
- Available in 9 intense colours
- Production process certified according to ISO 9001:2015
- Easy to handle, dissolve and apply
Fertigation
| Crop | Application date | Min kg/ha/season | Max kg/ha/season |
|---|---|---|---|
Fruit vegetables |
• As of fruit setting • Until 2 weeks before harvesting |
100 | 300 |
Potato |
• As of tuber initiation • Until tuber filling |
100 | 200 |
Strawberry |
• As of vegetative growth • Until fruit setting |
150 | 300 |
Citrus  |
• During entire fertigation program | 150 | 400 |
Fruit trees |
• As of fruit setting • Until 4 weeks before harvesting |
150 | 400 |
Vineyards |
• During entire fertigation program | 100 | 250 |
Melon |
• As of fruit setting • Until start of maturation |
150 | 300 |
Foliar Application
| Crop | Application date | Min kg / ha / appl | Max kg / ha / appl | Conc. % (w/v)) |
|---|---|---|---|---|
| Fruit vegetables |
2 - 4 applications: • As of fruit setting • 10 - 14 days interval |
4 | 8 | 1.0 - 1.5 |
Onion |
2 - 3 applications: • 3 weeks after germination • 10 - 14 days interval |
3 | 8 | 0.5 - 1.0 |
| Strawberry |
1 - 3 applications: • As of fruit setting |
5 | 8 | 1.0 - 1.5 |
| Melon |
3 applications: • During fruit setting • During fruit filling |
4 | 8 | 1.0 - 1.5 |
| Fruit trees |
3 - 5 applications: • As of fruit setting • 14 - 21 days interval |
7 | 12 | 1.5 - 2.5 |
Banana |
4 applications: • As of plant establishment • During fruit filling |
6 | 15 | 1.0 - 2.0 |
| Citrus |
2 - 3 applications: • As of fruit setting • 14 - 21 days interval |
6 | 15 | 1.0 - 1.5 |
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Compatible with other fertilizers. The pH of the tank solution should be above 4.
