Van Iperen Potassium Phosphite 50% Liquid contains a high level of Phosphate (30% w/w) in Phosphite form. In this form, P will increase general plant vitality and resistance to stress. Developed to fertigate in soil grown covered crops and hydroponics as well as for foliar application. Also suitable for dipping plant roots prior to transplanting. Produced in our own plant Euroliquids.
Import possibilities for Potassium Phosphite varies by country. Please check your local authority to learn more about regulations.
- Transparent liquid solution of high purity
- Improves general plant immune system
- Enhances root growth
- Production process certified according to ISO 9001:2015
- Highly concentrated solution
- Low on Sodium and Chloride
- Low on heavy metals
Fertigation
| Crop | Application date | Min L/ha/season | Max L/ha/season |
|---|---|---|---|
Vegetables |
4 - 6 applications: • As of plant establishment • Until fruit colouring • 7 - 10 days interval |
8 | 10 |
Flowers |
2 - 3 applications: • As of plant establishment • 7 - 10 days interval |
8 | 10 |
Strawberry |
4 - 6 applications: • As of plant establishment • Until fruit colouring • 7 - 10 days interval |
8 | 10 |
| Crops on organic subststrate | 4 - 6 applications: • During entire fertigation program • 7 - 10 days interval |
8 | 10 |
| Crops on rockwool | 2 - 4 applications: • During plant establishment • During fruit filling • 7 - 10 days interval |
3 | 5 |
Foliar Application
| Crop | Application date | Min L / ha / appl | Max L / ha / appl | Conc. % (v/v) |
|---|---|---|---|---|
Fruit trees |
2 - 3 applications: • As of end of flowering • Until fruit setting • 7 - 10 days interval |
2.0 | 2.5 | 0.1 - 0.2 |
Citrus  |
3 applications: • Spring application • Summer application |
1.5 | 2.0 | 0.1 - 0.2 |
Potato |
3 - 4 applications: • As of tuber setting • 7 - 10 days interval |
3.0 | 4.0 | 0.2 - 0.5 |
| Strawberry |
2 - 3 applications: • As of end of flowering • Until fruit setting |
2.5 | 3.5 | 0.1 - 0.2 |
Tomato |
• As of plant establishment • Until fruit setting |
2.5 | 3.5 | 0.2 - 0.5 |
Vineyards |
3 - 4 applications: • As of end of flowering • Until bunch closing • 7 - 10 days interval |
2.5 | 3.5 | 0.1 - 0.2 |
Dipping of plantroots
Dip the naked roots of young plants in Van Iperen Potassium Phosphite 50% Liquid just before planting. It makes the plant stronger and will result in increased initial growth just after planting, the most critical period of the entire crop.
Plants should be dipped 20 - 25 minutes until the heart of the leaves in a 0.2 - 0.5% concentration.
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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.
Other options:
NPK Protect Liquid 3 - 27 - 18 + TE
- Improves root and shoot growth, bud and fruit quality and shelf-life
- Developed for fertigation in open field and greenhouses. Also suitable for foliar application and root-dipping
Fertilizing Knowledge
We produce innovative Liquid fertilizers
Our sister company Euroliquids, conveniently located in the port of Rotterdam, is the largest liquid fertilizer factory in Northern Europe. This is where we produce our high quality liquid fertilizers and work on developing innovative new recipes.
