EF Cal Bor

Micronised Liquid BoronBioGro Input for Organics Logo

This state of the art boron formulation combines the benefits of micronised minerals, liquid kelp, microbial metabolites and natural growth hormones such as Triacontanol; with the chelating power of fulvic acid.


  • Allows organic growers to increase leaf boron levels
  • User-friendly
  • Aids in the development of sugars
  • Improves calcium transport in the plant
  • Improves intensity of flowering
  • Aids pollination

Application Rates

5-10 L/ha for small crops prior to flowering
10-20 L/ha for large tree crops

For best results spray foliage 2-3 times prior to flowering at 10 day intervals


5% Boron, in liquid suspension, contains microbial metabolites, vitamins, enzymes and natural growth hormones and fulvic acid.

General Comments

BioGro certified.

To improve sticking ability add a Bio-Gro approved Spray Oil

Apply with 5-10 L/ha of molasses

Use in conjunction with Compost Teas

Should be used in conjunction with an EF fertility building programme.