Greenhouse fertigation Open field fertigation

Van Iperen Oligo Standard Iron-EDDHA 6% is a highly pure Iron fertilizer of high purity with a 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 fully available up to a pH of 9
  • Easy to handle, dissolve and apply
  • Developed for fertigation in open field and greenhouses. Also suitable for soil injection
Greenhouse fertigation Open field fertigation
  • Rapidly dissolvable
  • Free of Ammonium
  • Dark brown microgranules

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
8 20
Fruit trees (adult)
2 applications:
• As of leaf bud opening
• Until vegetative growth
16 50
Citrus (young)
2 - 3 applications:
• During vegetative growth
• Spring application
• Autumn application
8 20
Citrus (adult)
2 - 3 applications:
• During vegetative growth
• Spring application
• Autumn application
15 50
Flowers
• Spring application
• As of 1st symptoms of chlorosis
10 50
Vineyards (young)
• During leaf bud opening
• As of 1st symptoms of chlorosis
10 20
Vineyards (adult)
• During leaf bud opening
• As of 1st symptoms of chlorosis
20 55
Table grape
• During leaf bud opening
• As of 1st symptoms of chlorosis
20 55

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.

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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