Broad bean

{Vicia faba}

Boron Deficiency in Broad Beans

The following are symptoms of boron deficiency in broad beans:

  • Terminal bud blackens and dies back
  • Leaves, which are dark green and leathery, fall prematurely
  • Lower leaf surfaces may be yellow or red in color
  • Root development is restricted

Soil Application (Suggested rates of application)

  Granubor Fertibor
LBS/ACRE 4.46 - 6.25 4.46 - 6.25
KG/HA 5.0 - 7.0 5.0 - 7.0

Foliar Application (Suggested rates of application)

KG/HA 2.0
Value in Use
Current Yield (Per Acre)
Expected Sale Price

U.S. Borax, part of Rio Tinto, is a global leader in the supply and science of borates—naturally-occurring minerals containing boron and other elements. We are 1,000 people serving 650 customers with more than 1,800 delivery locations globally. We supply around 30% of the world’s need for refined borates from our world-class mine in Boron, California, about 100 miles northeast of Los Angeles. Learn more about Rio Tinto.

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