Van Iperen Oligo Iron-EDTA 13% is a 100% chelated single micronutrient fertilizer of high purity. Thanks to the unique cluster-shaped microgranule, it is completely dust-free, flows easily, and dissolves quickly. With its porous structure, the microgranule bursts from the inside out, leading to faster dissolution even in cold or hard water. Our product is not sensitive to caking in normal storage conditions. It is recommended to cure Iron deficiency in all crops.
- Iron 100% chelated and fully available up to a pH of 6
- Developed for foliar application. Also suitable for fertigation in open field and greenhouses
- Dissolves quickly in water, even at high concentrations
- Low in Sodium and Chloride
- Cluster-shaped, light brown microgranules
- Patented microgranulation process
- Easy to handle, dissolve and apply
Hydroponics
| In 1.000 l stock solution | Fe in g | Fe in mmol |
|---|---|---|
| 0.1 kg | 13 | 0.23 |
| 0.5 kg | 65 | 1.16 |
| 1.0 kg | 130 | 2.33 |
| 1.5 kg | 195 | 3.49 |
Fertigation
| Crop | Application date | Min kg/ha/season | Max kg/ha/season |
|---|---|---|---|
Vegetables![]() |
2 - 3 applications: • During 4 - 6 leaves stage • During vegetative growth |
10 | 20 |
Banana![]() |
3 applications: • During plant establishment • During vegetative growth |
30 | 40 |
Citrus ![]() |
3 - 5 applications: • During fruit filling • During fruit colouring • During post harvest period |
20 | 30 |
| Flowers |
2 - 3 applications: • During 4 - 6 leaves stage • During vegetative growth |
10 | 20 |
Strawberry![]() |
3 applications: • During flower bud opening • During fruit filling • During post harvest period |
2 | 4 |
Stone fruit![]() |
3 applications: • During fruit filling • During vegetative growth • During post harvest period |
2 | 15 |
Foliar Application
| Crop | Application date | Min kg / ha / appl | Max kg / ha / appl | Conc. % (w/v)) |
|---|---|---|---|---|
Fruit trees (preventive)![]() |
1 application: • During fruit setting |
0.3 | 0.4 | 0.02 - 0.10 |
Fruit trees (curative)![]() |
2 - 3 applications: • As of 1st symptoms of chlorosis |
0.3 | 0.4 | 0.02 - 0.10 |
Vegetables (preventive)![]() |
1 application: • As of generative growth |
0.2 | 0.3 | 0.02 - 0.10 |
Vegetables curative![]() |
2 applications: • As of 1st symptoms of chlorosis |
0.3 | 0.6 | 0.02 - 0.10 |
Sugarbeet![]() |
2 - 3 applications: • As of 1st symptoms of chlorosis |
0.6 | 0.9 | 0.02 - 0.10 |
Soybean![]() |
2 - 3 applications: • As of 1st symptoms of chlorosis |
0.6 | 0.9 | 0.02 - 0.10 |
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Compatible with other fertilizers. The pH of the tank solution should be above 4.









