Foliar Greenhouse fertigation Open field fertigation

Van Iperen Oligo Zinc-EDTA 7.4% Liquid is a pure and highly concentrated liquid Zinc fertilizer. Our product is a stable solution and is recommended as of early spring until fruit setting and as post-harvest treatment. The high level of Zinc in our formula improves growth of new heatlhy roots, vigurous shoots and flower buds.

  • Improves root and shoot growth
  • 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
  • Blue liquid

Hydroponics

In 1.000 l stock solution Zn in g Zn in mmol
1.0 L 100 1.53
5.0 L 500 7.64
10.0 L 1000 15.29

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
12 20
Banana
3 applications:
• During plant establishment
• During vegetative growth
12 16
Citrus
3 applications:
• During fruit setting
• During fruit filling
• During post harvest period
12 20
Flowers
2 - 3 applications:
• During 4 - 6 leaves stage
• During vegetative growth
8 16
Strawberry
3 applications:
• During flower bud opening
• During fruit filling
• During post harvest period
1.0 2.0
Stone fruit
3 applications:
• During start of fruit filling
• During vegetative growth
• During post harvest period
0.8 8.0

Foliar Application

Crop Application date Min L / ha / appl Max L / ha / appl Conc. % (w/v))
Fruit trees
2 applications:
• Before bud opening
0.4 1.1 0.02 - 0.10
Potato
• 3 weeks after germination 1.2 2.4 0.02 - 0.10
Sugarbeet
• Before intercrop densening 1.2 2.4 0.02 - 0.10
Corn (preventive)
2 applications:
• As of 6 - 8 leaves stage
• 10 - 14 days interval
1.2 2.4 0.02 - 0.10
Corn (curative)
2 - 3 applications:
• As of 1st symptoms of deficiency
1.2 3.6 0.02 - 0.10
Leguminosae
• During flower bud opening 0.6 1.9 0.02 - 0.10
Rapeseed
3 applications:
• Before flowering
• 10 - 14 days interval
1.2 2.4 0.02 - 0.10
Hop 3 applications:
• During fruit setting
• During vegetative growth
• During post harvest period
0.6 1.2 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.

Packaging sizes

  • 1l
  • 5l
  • 10l
  • 20l
  • 200l
  • 1000l

Fertilizing Knowledge

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