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Pear

{Pyrus communis}
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Boron deficiency in pears

When pear trees are boron deficient, the fruit becomes misshapen with cork developing under the large depressions. The upper leaves are small and cupped. The small branches die back as the boron deficiency becomes more severe.

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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