Foliar Greenhouse fertigation Open field fertigation

Van Iperen Oligo Zinc-EDTA 15% is a a highly pure Zinc, which dissolves rapidly and completely. Our product is dust free 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
  • Zinc 100% chelated and fully available up to a pH of 9
  • Easy to handle, dissolve 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
  • Rapidly dissolvable at high concentration
  • Low in Chloride
  • Raspberry shaped, white micro granule
  • Patented micro granulation process

Hydroponics

In 1.000 l stock solution Zn in g Zn in mmol
0.1 kg 15 0.23
0.5 kg 75 1.15
1.0 kg 150 2.29

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 kg/ha/season Max kg/ha/season
Vegetables
2 - 3 applications:
• During 4 - 6 leaves stage
• During vegetative growth
4.0 8.0
Banana
3 applications:
• During plant establishment
• During vegetative growth
6.0 8.0
Citrus
3 applications:
• During fruit setting
• During fruit filling
• During post harvest period
6.0 10.0
Flowers
2 - 3 applications:
• During 4 - 6 leaves stage
• During vegetative growth
4.0 8.0
Strawberry
3 applications:
• During flower bud opening
• During fruit filling
• During post harvest period
0.5 1.0
Stone fruit
3 applications:
• During start of fruit filling
• During vegetative growth
• During post harvest period
0.4 4.0

Foliar Application

Crop Application date Min kg / ha / appl Max kg / ha / appl Conc. % (w/v))
Fruit trees
3 applications:
• During fruit setting
• During vegetative growth
• During post harvest period
0.2 0.5 0.02 - 0.10
Potato
• 3 weeks after germination 0.6 1.2 0.02 - 0.10
Sugarbeet
• Before intercrop densening 0.6 1.2 0.02 - 0.10
Corn (preventive)
2 applications:
• As of 6 - 8 leaves stage
• 10 - 14 days interval
0.6 1.2 0.02 - 0.10
Corn (curative)
2 - 3 applications:
• As of 1st symptoms of deficiency
0.6 1.8 0.02 - 0.10
Leguminosae
• During flower bud opening 0.3 0.9 0.02 - 0.10
Rapeseed
• Before flowering 0.6 1.2 0.02 - 0.10
Hop 3 applications:
• During flower bud opening
• 10 - 14 days interval
0.3 0.6 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.

Fertilizing Knowledge

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