Van Iperen offers a wide range of high-quality Iron-EDDHA chelates with different ortho-ortho percentages adapted to your local needs. All products are very pure, dust-free and completely soluble. Van Iperen Oligo Standard Iron-EDDHA 6% (3.5% o-o) contains 3.5% Fe-EDDHA in the ortho-ortho position, which is the strongest and most stable form of the chelate.

  • For a strong apical zone - free of chlorosis
  • Iron 100% chelated and fully available up to a pH of 9
  • Developed for fertigation in open field and greenhouses. Also suitable for injection into the soil

Application

  • Dust-free
  • Free of Ammonium
  • Dark brown microgranules
  • Easy to handle, fully soluble
  • Always pre-dissolve with 50 grams per liter before use. In any case not more than 60 grams per liter

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

Fertigation

Crop Application date Min kg/ha/season Max kg/ha/season
Vineyards (young)
• During leaf bud opening
• As of 1st symptoms of chlorosis
10 18
Vineyards (adult)
• During leaf bud opening
• As of 1st symptoms of chlorosis
18 45
Vegetables
2 applications:
• As of 4 weeks after planting
• Until beginning of flowering
10 18
Fruit trees (young)
2 applications:
• As of leaf bud opening
• Until vegetative growth
6 15
Fruit trees (adult)
2 applications:
• As of leaf bud opening
• Until vegetative growth
12 35
Citrus (young)
2 - 3 applications:
• During vegetative growth
• Spring application
• Autumn application
6 15
Citrus (adult)
2 - 3 applications:
• During vegetative growth
• Spring application
• Autumn application
12 35
Flowers
• Spring application
• As of 1st symptoms of chlorosis
8 40
Table grape
• During leaf bud opening
• As of 1st symptoms of chlorosis
12 40

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.

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

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