Toggle navigation
Boron and U.S. Borax › Boron deficiency › Spotting boron deficiency

Spotting boron Deficiency

Contact Us +

Visual symptoms of boron deficiency

Boron deficiency in various crops shares certain characteristics including misshapen, thick, small, brittle leaves—typically affecting the youngest leaves first. 
 
Leaves
Misshapen, thick, small, brittle leaves—typically affecting the youngest leaves first
Stems
Short, shrunken stems and stunted or reduced growth points
Fruit
Cracked or watery tissue or fruit
Kernels
Malformed or irregular fruit or kernels 

Should I be worried?

Certain regions and soil types are more likely to suffer from boron deficiency. Likewise, certain crops are more susceptible.

Susceptible
Moderately Susceptible
Tolerant

Find out what boron deficiency looks like in your specific crop

Who is U.S. Borax
What is boron?
Boron deficiency
Applying boron
How to buy

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.

Copyright © 2025 Rio Tinto. All Rights Reserved.
Terms and conditions Privacy and cookies Modern slavery statement
AB 1305 Cookie preferences
Back To Top