Agronomical target

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Van Iperen Cal Boron Liquid is a pure and highly concentrated liquid Calcium and Boron fertilizer, formulated with liquid Calcium Nitrate. Our product is a transparent, stable solution and is recommended as of early spring until fruit setting, especially as of bud development prior to flowering. The high level of Calcium and Boron in our formula improves the strength of cell walls and cell division. The presence of Nitrogen has a positive effect on the uptake of Calcium in the plant.

  • Improves fruit quality, stunted growth and shelf-life
  • Developed for foliar application. Also suitable for fertigation in open field and greenhouses
  • Soft for leaf tissue


  • Low on heavy metals
  • Low on Sodium and Chloride
  • Low crystallization temperature
  • Production process certified according to ISO 9001:2015
  • Colourless - Light yellow liquid


Foliar Application

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Compatible with other fertilizers, with the exception of Sulphate or Phosphate fertilizers. Therefore a separate tank is needed or fertilizers should be applied at different times.