Boron deficiency made worse by

  • Sandy soils
  • Alkaline soils
  • Soils low in organic matter
  • High levels of nitrogen
  • High levels of calcium
  • Cold wet weather
  • Periods of drought

Boron is important for

  • Improves flowering
  • Improves fruit set
  • Gives more even ripening
  • Increases alcohol level in berries
  • Increases sugar level in berries