Potassium ripening booster
Fill K 40 + 4 MgO
Fill K 40 + 4 MgO is the recommended choice when ripening and vegetative growth are needed at the same time. Applied late in the cycle, its high potassium content, combined with magnesium, speeds up and evens out fruit ripening without blocking vegetative growth.
- More even ripening from pre-veraison to harvest
- Vegetative growth preserved: no unwanted blockage at the end of the cycle
- Better commercial quality: colour, size and shelf life of the fruit
- 40% K₂O and 4% MgO, both water-soluble, for a supply of potassium and magnesium
- Micronutrients included (B, Cu, Mn, Mo, Zn), with Cu, Mn and Zn chelated by EDTA
- Low chlorine content, as a soluble powder for foliar application or fertigation
How to use
Form: soluble powder (5 kg or 25 kg bags).
Application: foliar or fertigation, from pre-veraison (colour change) to ripening.
Crops: vine and kiwi, citrus and olive, pome and stone fruit, strawberry and soft fruit, fruiting vegetables (tomato, pepper, aubergine, melon, watermelon, cucumber, courgette, pumpkin) and industrial crops (tomato, tobacco, soybean, sunflower, cotton, sugar beet, sugar cane).
| Crop / Use | Application rate |
|---|---|
| All crops – foliar application | 250–350 g/hl |
| All crops – fertigation | 2–4 kg/ha per application |
Product composition
Our Catalogue
Product catalogue 2026
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