
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 | 10 - 53 - 10 + TE is part of our Energy Start line. Our Energy Start line comes with high Phosphate formulas, destined to be used during critical early stages to help inducing proper plant establishment, quality rooting, and optimal flowering. Succeeding in early plant development is crucial to secure good yields and optimum crop performance.
- Improves root and shoot growth
- Micronutrients 100% chelated and fully available
- Developed for fertigation in open field and greenhouses. Also suitable for soil injection
- Produced in a broad range of intense colours, to distinguish the product and the final solution

- Rapidly dissolvable
- Available in 9 intense colours
- Easy to handle, dissolve and apply
- Production process certified according to ISO 9001:2015
Fertigation
Crop | Application date | Min kg/ha/season | Max kg/ha/season |
---|---|---|---|
Potato![]() |
• As of start of fertigation • Until start of tuber filling |
100 | 200 |
Fruit trees![]() |
• As of start of fertigation • Until start of fruit development |
100 | 200 |
Fruit vegetables![]() |
• As of transplanting • Until start of production phase |
100 | 250 |
Leaf vegetables![]() |
• First two weeks after transplanting | 50 | 100 |
Melon![]() |
• As of transplanting • Until start of production phase |
100 | 250 |
Strawberry![]() |
• As of transplanting • Until start of production phase |
100 | 250 |
Banana![]() |
• As of start of fertigation • Until maturation |
200 | 400 |
Foliar Application
Crop | Application date | Min kg / ha / appl | Max kg / ha / appl | Conc. % (w/v)) |
---|---|---|---|---|
Fruit trees![]() |
1 - 3 applications: • Starting pink bud • Until fruit development • 7 - 10 days interval |
4 | 12 | 0.4 - 1.2 |
Strawberry![]() |
• Before bud opening | 4 | 10 | 0.4 - 0.8 |
Corn![]() |
• During 3 - 4 leaves stage | 2 | 6 | 0.5 - 1.0 |
Melon![]() |
3 applications: • During flower bud opening • During fruit setting • During fruit filling |
5 | 8 | 0.5 - 1.0 |
Fruit vegetables![]() |
• As of vegetative growth • Until 4 weeks before harvesting |
3 | 6 | 0.5 - 1.0 |
Arable crops![]() |
• As of vegetative growth • Until 4 weeks before harvesting |
3 | 6 | 0.5 - 1.0 |
Olive![]() |
• During fruit filling | 5 | 12 | 1.0 -2.0 |
In case of foliar feeding as part of a mix with crop protection products, a compatibility test has to be done prior to preparing the spray-mix.
The mentioned indicated dosages and application stages are given as a guideline. Exact dosages, concentration and application stage are subject to local conditions, use of other fertilizers and can only be given after an objective diagnosis.
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Compatible with other fertilizers, with the exception of Calcium fertilizers. Therefore a separate tank is needed or fertilizers should be applied on different times. The pH of the tank solution should be above 4.