Foliar Greenhouse fertigation Open field fertigation

Van Iperen Magnesium Nitrate Horticultural Grade is a highly pure Magnesium fertilizer which dissolves rapidly and completely. Our product has a limited caking sensitivity and is recommended as of early spring until fruit setting. The high level of Magnesium in our formula contributes to the production of chlorophyll. The presence of Nitrogen has a positive effect on the uptake of Magnesium in the plant.

  • Improves leaf colour
  • Easy to handle, dissolve and apply
  • Developed for fertigation in open field and greenhouses. Also suitable for foliar application
Foliar Greenhouse fertigation Open field fertigation
  • Low on heavy metals
  • Low on Sodium and Chloride
  • White pellets

Hydroponics

Kg in 1.000 l stock solution MgO in kg Total N in kg N-NO3 in kg
25 3.9 2.6 2.6
50 7.8 5.2 5.2
75 11.7 7.8 7.8
100 15.6 10.5 10.5

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
Fruit trees
• As of end of flowering 100 200
Vegetables
• As of vegetative growth
• Until fruit setting
150 300
Potato
• As of tuber setting
• Until tuber filling
100 200
Tomato
• As of 4 weeks after planting
• Until fruit ripening
150 300
Vineyards (adult)
• As of leaf bud opening
• Until beginning of flowering
100 150

Foliar Application

Crop Application date Min kg / ha / appl Max kg / ha / appl Conc. % (w/v))
Fruit trees
3 - 4 applications:
• As of end of flowering
• 10 - 14 days interval
3 8 0.5 - 1.5
Cereals
1 - 2 applications:
• As of stem elongation
• Until flowering starts
3 6 1.0 - 1.5
Citrus
2 - 4 applications:
• Spring application
• As of vegetative growth
5 10 1.0 - 2.0
Olive
2 applications:
• During flower bud opening
• During fruit setting
3 9 0.5 - 2.0
Corn
1 - 2 applications:
• As of 5 - 6 leaf stage
• 10 - 14 days interval
3 6 1.0 - 1.5
Sugarbeet
2 - 3 applications:
• Spring application
• 10 - 14 days interval
3 8 1.0 - 2.0
Rapeseed
1 - 2 applications:
• As of vegetative growth
• Until flowering starts
3 6 1.0 - 1.5
Vineyards (adult)
3 - 4 applications:
• As of vegetative growth
• 7 - 10 days interval
3 9 0.5 - 1.5%
Melon
2 - 5 applications:
• As of vegetative growth
• Until flowering starts
• 7 - 10 days interval
3 10 0.5 - 1.5

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.

Fertilizing Knowledge

Factory of Van Iperen partner Lovochemie

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