Foliar Greenhouse fertigation Open field fertigation

Van Iperen Thera Liquid | 2 - 4 - 9 + MgO + TE is a pure and concentrated liquid NPK with a high level of Phosphate combined with EDTA chelated Micronutrients. Our product is a transparent, stable solution and is recommended during fruit or tuber development, especially during periods of drought. The high level of Potassium in our formula improves the cell pressure and regulates the functioning of stomata. The presence of Magnesium and Micronutrients contributes to the production of chlorophyll and supports general plant metabolism. Produced in our own plant Euroliquids.

  • Improves fruit quality, shelflife and increases plant drought resistance
  • Micronutrients 100% chelated and fully available
  • 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 on Sodium and Chloride
  • Light yellow / Green liquid

Fertigation

Crop Application date Min L/ha/season Max L/ha/season
Fruit trees
• As of fruit setting
• Until 4 weeks before harvesting
150 400
Banana
• During entire fertigation program 200 500
Citrus
• During entire fertigation program 150 400
Potato
• As of tuber setting
• Until tuber ripening
100 200
Vineyards
• During entire fertigation program 100 250
Fruit bearing vegetables
• As of fruit setting
• Until 2 weeks before harvesting
100 300

Foliar Application

Crop Application date Min kg / ha / appl Max kg / ha / appl Conc. % (w/v)) Min L / ha / appl Max L / ha / appl
Fruit trees
3 - 5 applications:
• As of fruit setting
• 14 - 21 days interval
7 12 1.5 - 2.5 7 12
Vegetables
3 - 4 applications:
• As of leaf bud opening
• Until 4 weeks before harvesting
6 15 0.5 - 1.0 3 6
Banana
1 - 3 applications:
• As of plant establishment
• During fruit filling
6 15 1.0 - 2.0 6 15
Citrus
2 - 3 applications:
• As of fruit setting
• 14 - 21 days interval
• During fruit filling
8 15 1.0 - 1.5 6 15
Olive
3 applications:
• Spring application
• Before flowering
• During fruit filling
5 8 0.5 - 1.0 8 15
Strawberry
1 - 3 applications:
• During fruit filling
• During fruit filling
4 8 0.4 - 0.8 5 8
Melon
3 applications:
• During fruit setting
• During fruit filling
3 8 1.0 - 1.5 4 8
Onion
2 - 3 applications:
• As of 4 weeks after seeding
• 10 - 14 days interval
4 8 0.5 - 1.0 3 8
Fruit bearing vegetables
2 - 4 applications:
• As of fruit setting
• 10 - 14 days interval
3 6 0.5 - 1.0 4 8
Tomato
2 - 4 applications:
• As of fruit setting
• 10 - 14 days interval
4 8

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, with the exception of Calcium fertilizers. Therefore a separate tank is needed or fertilizers should be applied on different times. The pH of the tank solution should be above 4.

Packaging sizes

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

Fertilizing Knowledge

We produce innovative Liquid fertilizers

Our sister company Euroliquids, conveniently located in the port of Rotterdam, is the largest liquid fertilizer factory in Northern Europe. This is where we produce our high quality liquid fertilizers and work on developing innovative new recipes.

Find out more