Foliar Greenhouse fertigation Open field fertigation

Van Iperen Stim Pure AA Liquid is a pure and highly concentrated liquid seaweed based on Ascophyllum nodosum. Our product is a stable solution and is recommended at different phenological stages. Ascophyllum nodosum is continuously exposed to ebb and flood and survives in a high salinity environment. Our Canadian Ascophyllum nodosum passes its stress resistance properties on to the plant. It is known for it’s high consistency independent of the harvesting season and for it’s unique way of processing.

  • Maximizes plant potential during periods of abiotic stress, increases root growth and establisment of the crop and improves plant vigor and nutritional health
  • Easy to handle and apply
  • Developed for fertigation in open field and greenhouses. Also suitable for foliar application and root-dipping
  • Soft for leaf tissue
Foliar Greenhouse fertigation Open field fertigation
  • Highly concentrated solution
  • Brown-black liquid
  • 100% of high quality Canadian seaweed (Ascophylum Nodosum)
  • Processing of seaweed according to unique method, guaranteeing optimal effect

Fertigation

Crop Application date Min L / ha / appl Max L / ha / appl
Fruit trees
1 - 2 applications:
• During flower bud opening
3 3
Grapes
1 - 2 applications:
• As of leaf bud opening
3 3
Vegetables
5 - 9 applications:
• As of transplanting
• Until harvesting
• 10 - 14 days interval
2 2
Potato
3 applications:
• As of 2 weeks after planting
• During tuber initiation
• During tuber filling
2 2
Stone fruit
1 - 2 applications:
• During flower bud opening
3 3
Melon
4 applications:
• During transplanting
• During vegetative growth
• During fruit setting
• During fruit filling
2 2

Foliar Application

Crop Application date Min L / ha / appl Max L / ha / appl
Fruit trees
5 - 6 applications:
• As of flower bud opening
• Until fruit filling
• During post harvest period
1 2
Grapes
5 - 7 applications:
• As of vegetative growth
• 7 - 10 days interval
1 2
Vegetables
3 - 4 applications:
• As of plant establishment
• Until fruit ripening
1 2
Citrus
4 - 5 applications:
• As of flower bud opening
• Until fruit setting
2 3
Olive
4 - 5 applications:
• As of flower bud opening
• Until fruit filling
1 2
Potato
2 - 3 applications:
• As of vegetative growth
• 10 - 14 days interval
1 2
Stone fruit
5 - 6 applications:
• As of flower bud opening
• Until fruit filling
• During post harvest period
1 2
Sugarbeet
2 - 3 applications:
• As of intercrop densening
• 10 - 14 days interval
1 2
Soft fruit
4 - 5 applications:
• As of leaf bud opening
• Until green fruit
1 2

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.

Dipping of plantroots

Dip the naked roots of young plants in Van Iperen Stim Pure AA Liquid just before planting. It makes the plant stronger and will result in increased initial growth just after planting, the most critical period of the entire crop.
Plants should be dipped 20 - 25 minutes until the heart of the leaves in a 0.5% concentration.

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.

Fertilizing Knowledge

Ascophyllum nodosum seaweed for fertilizers

How can Seaweed improve yield?

Seaweeds are used in agriculture since the 17th Century. For example to improve resistance to drought. Combined with new technologies and due to climate changes, seaweed is the number one biostimulant used by growers worldwide.

Find out more