Greenhouse fertigation Open field fertigation

Van Iperen Oligo Premium Iron-EDDHA 6% (4.8% o-o) is a highly pure Iron fertilizer, with a very high percentage of ortho-ortho, which dissolves rapidly and completely. Our product is dust free and is recommended at different phenological stages. The high level of Iron in our formula improves the production of chlorophyll.

  • Gives a strong apical zone, free of chlorosis
  • Iron 100% chelated and highly available up to a pH of 9 due to 4.8% ortho-ortho
  • Easy to handle, dissolve and apply
  • Developed for fertigation in open field and greenhouses. Also suitable for foliar application
Greenhouse fertigation Open field fertigation
  • Rapidly dissolvable
  • Free of Ammonium
  • Black/red microgranules
  • Production process certified according to ISO 9001:2015

Hydroponics

In 1.000 l stock solution Fe in g Fe in mmol
0.1 kg 6 0.11
0.5 kg 30 0.54
1.0 kg 60 1.07
1.5 kg 90 1.61

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 applications:
• As of 4 weeks after planting
• Until beginning of flowering
10 15
Fruit trees (young)
2 applications:
• As of leaf bud opening
• Until vegetative growth
6 16
Fruit trees (adult)
2 applications:
• As of leaf bud opening
• Until vegetative growth
15 40
Citrus (young)
2 - 3 applications:
• During vegetative growth
• Spring application
• Autumn application
6 14
Citrus (adult)
2 - 3 applications:
• During vegetative growth
• Spring application
• Autumn application
12 40
Flowers
• Spring application
• As of 1st symptoms of chlorosis
10 50
Vineyards (young)
• During leaf bud opening
• As of 1st symptoms of chlorosis
8 15
Vineyards (adult)
• During leaf bud opening
• As of 1st symptoms of chlorosis
15 40
Table grape
• During leaf bud opening
• As of 1st symptoms of chlorosis
15 50

It is possible to apply a lower dose than recommended in case of low risk of deficiency or to avoid an expected potential slight deficiency.

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.

Please fill your credentials to receive the downloads by email.

Compatible with other fertilizers. The pH of the tank solution should be above 4.

Packaging sizes

  • 1kg
  • 5kg
  • 10kg
  • 20kg

Fertilizing Knowledge

How to choose an Iron chelate?

There are many options to add Iron to your crop. The most efficient way is chelated Iron for its stability, availability for the plant and its easiness to use. But choosing among the different solutions can be a challenge. How to choose? We can help you!

Find out more