
Van Iperen Oligo Iron-EDTA 13% is a chelated single micronutrient fertilizer of high purity. Thanks to its unique patented raspberry-shaped microgranule, it is dust free, easy flowing and it dissolves rapidly. It is recommended to cure Iron deficiency on 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

- Rapidly dissolvable at high concentration
- Low on Sodium and Chloride
- Raspberry shaped, light brown microgranules
- Patented micro granulation 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 |
Mentioned concentrations represents the amount of nutrients in the stock solution. The final concentration in the irrigation water depends on the amount of nutrients in the stock solution, the injection ratio and the amount of nutrients used in the water.
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 |
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. The pH of the tank solution should be above 4.