Application

  • Greenhouse fertigation
  • Open field fertigation

Agronomical target

  • Nutrition
  • Premium List

Van Iperen offers a wide range of high quality Iron EDDHA chelates with various ortho-ortho percentages adapted to your local needs. All products are highly pure, dust free, and fully soluble. Van Iperen Oligo Optimum Iron-EDDHA 6% (4.0% o-o) contains 4% Fe-EDDHA in ortho-ortho position which is the strongest and most stable form of the chelate.

  • Gives a strong apical zone, free of chlorosis
  • Iron 100% chelated and highly available up to a pH of 9 due to 4.0% ortho-ortho
  • Developed for fertigation in open field and greenhouses. Also suitable for soil injection

Application

  • Greenhouse fertigation
  • Open field fertigation
  • Dust free
  • Free of Ammonium
  • Dark brown microgranules
  • Easy to handle, fully soluble
  • Always pre-dissolve at 50 grams per liter before use. In any case do not exceed 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

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 flowering starts
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
Flowers
• Spring application
• As of 1st symptoms of chlorosis
8 40
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
12 40
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

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