Foliar Greenhouse fertigation Open field fertigation

Van Iperen Oligo Copper-EDTA 7.4% Liquid is a pure and highly concentrated liquid Copper fertilizer. Our product is a stable solution and is recommended at different phenological stages. The high level of Copper in our formula improves the production of chlorophyll.

  • Cures Copper deficiency - shown as curled - small new leaves
  • Copper 100% chelated and fully available up to a pH of 9
  • 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
  • Transparent blue solution

Hydroponics

In 1.000 l stock solution Cu in g Cu in mmol
1.0 L 100 1.57
5.0 L 500 7.85
10.0 L 1.000 15.7

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
0.2 0.8
Banana
3 applications:
• During plant establishment
• During vegetative growth
1.5 3.0
Citrus
• During fruit filling 3.0 7.5
Flowers
2 - 3 applications:
• As of 4 - 6 leaves stage
• During vegetative growth
0.2 0.8
Stone fruit
3 applications:
• During start of fruit filling
• During vegetative growth
• During post harvest period
0.15 0.50
Strawberry
3 applications:
• During flower bud opening
• During fruit filling
• During post harvest period
0.15 0.30

Foliar Application

Crop Application date Min L / ha / appl Max L / ha / appl Conc. % (w/v))
Vegetables
2 applications:
• Crop dependent
0.3 0.8 0.02 - 0.10
Fruit trees
2 applications:
• During fruit setting
0.3 0.8 0.02 - 0.10
Cereals
1 application:
• During 3 - 4 leaves stage
0.4 0.5 0.02 - 0.10
Cereals
1 application:
• During propagation stage
0.8 0.9 0.02 - 0.10
Potato
• 3 weeks after germination 0.5 0.9 0.02 - 0.10
Sugarbeet
• Before intercrop densening 0.5 0.9 0.02 - 0.10
Rapeseed
• Before flowering 0.5 0.9 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.

Please fill your credentials to receive the downloads by email.

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

Packaging sizes

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

Fertilizing Knowledge

Chelated micronutrients factory

Our producers of Micronutrients

In the field of research and development, highly qualified engineers are constantly working on innovative technologies and products, which allow to bring new alternative chelated Micronutrient solutions to the market.

Find out more