Agronomical target

  • Nutrition
  • Premium List

Compliant with the FPR (EU) 1009/2019

Van Iperen Cal Boron Agricultural Grade is a granulated, hard and homogeneous Calcium fertilizer. Our product has a limited caking sensitivity and is recommended as of early spring until fruit setting. The high level of Calcium in our formula improves the strength of cell walls. The presence of Nitrogen has a positive effect on the uptake of Calcium in the plant. The Boron in the composition plays a vital role in supporting actively cell division. It will also work in synergy with Calcium reinforcing cell walls and reducing Calcium-related physiological disorders.

  • Improves fruit quality (less sensitive to bitter pit and blossom end rot) and shelf-life
  • Developed for spreading in open field crops


  • Low on heavy metals
  • Low on Sodium and Chloride
  • Production process certified according to ISO 9001:2009
  • White granules
  • Hard and homogeneous product
  • Easy to handle and apply

Dry Application

Crop Application date Min kg/ha/season Max kg/ha/season
• Before flowering
• Until beginning of maturation
150 300
• As of vegetative growth
• Until final fruit size
150 300
Fruit trees (adult)
1 - 2 applications:
• Before flowering
150 400
1 - 2 applications:
• As of leaf bud opening
• Until vegetative growth
100 300
1 - 3 applications:
• Winter application
• Spring application
250 500
1 - 2 applications:
• Until tuber initiation
100 300
Fruit vegetables
1 - 2 applications:
• As of vegetative growth
• Until fruit setting
150 400
3 - 5 applications:
• During entire season
300 700

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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.