Foliar Greenhouse fertigation Open field fertigation

Van Iperen Oligo Iron-EDTA 5% Liquid is a pure and highly concentrated liquid Iron fertilizer. Our product is a stable solution 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
  • Micronutrients 100% chelated and fully available up to a pH of 6
  • Easy to handle and apply
  • Developed for foliar application. Also suitable for fertigation in open field and greenhouses
  • Soft for leaf tissue
Foliar Greenhouse fertigation Open field fertigation
  • Low on heavy metals
  • Low in Chloride
  • Red liquid

Hydroponics

In 1.000 l stock solution Fe in g Fe in mmol
1.0 L 60 1.07
5.0 L 300 5.37
10.0 L 600 10.7
15.0 L 900 16.11

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 L/ha/season Max L/ha/season
Vegetables
2 - 3 applications:
• During 4 - 6 leaves stage
• During vegetative growth
25 43
Banana
3 applications:
• During plant establishment
• During vegetative growth
68 86
Citrus
3 - 5 applications:
• During fruit setting
• During fruit colouring
• During post harvest period
43 86
Flowers
2 - 3 applications:
• During 4 - 6 leaves stage
• During vegetative growth
25 43
Strawberry
3 applications:
• During flower bud opening
• During fruit filling
• During post harvest period
4 8
Stone fruit
3 applications:
• During fruit filling
• During vegetative growth
• During post harvest period
4 34

Foliar Application

Crop Application date Min L / ha / appl Max L / ha / appl Conc. % (w/v))
Fruit trees (preventive)
1 application:
• As of fruit setting
0.6 0.8 0.02 - 0.10
Fruit trees (curative)
2 - 3 applications:
• As of 1st symptoms of chlorosis
0.6 0.8 0.02 - 0.10
Vegetables (preventive)
1 application:
• As of generative growth
0.3 0.6 0.02 - 0.10
Vegetables curative
2 applications:
• As of 1st symptoms of chlorosis
0.6 1.1 0.02 - 0.10
Soybean
2 - 3 applications:
• As of 1st symptoms of chlorosis
1.1 1.7 0.02 - 0.10
Sugarbeet
2 - 3 applications:
• As of 1st symptoms of chlorosis
1.1 1.7 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.