Potassium phosphite for fertigation
Fertea PhytoK 50
Fertea PhytoK 50 is a concentrated potassium phosphite, rich in phosphorus (58% P₂O₅) and potassium (38% K₂O), for application through fertigation. It is positioned at the start-up, flowering and fruit-set stages.
- Phosphorus in phosphite form: 50% phosphite ion
- Potassium included to accompany flowering and fruit set
- Applied through fertigation: 2 to 5 kg/ha, repeated 3 times at 15-day intervals in vegetables and tree crops
- Targeted stages: start-up and around flowering in vegetables; flower buds to fruit set in vine
- Wide range of crops: vegetables, citrus, vine, banana, avocado and fruit trees
How to use
Form: soluble fertiliser based on potassium phosphite, for fertigation.
Application: fertigation. Vegetables: at start-up and around flowering, 3 applications at 15-day intervals; vine: from flower buds to fruit set; tree crops: 3 applications at 15-day intervals.
Crops: vegetables and horticulture (melon, watermelon, pepper, tomato, strawberry), citrus, vine, avocado, banana and fruit trees.
| Crop / Use | Application rate |
|---|---|
| Vegetables | 2–5 kg/ha, repeated 3 times at 15-day intervals (start-up and around flowering) |
| Vine | 2–5 kg/ha, from flower buds to fruit set |
| Tree crops | 2–5 kg/ha, repeated 3 times at 15-day intervals |
Product composition
Our Catalogue
Product catalogue 2026
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