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Cow pea

{Vigna sinensis}
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Boron deficiency in cow peas

When cow peas are boron deficient:

  • Upper leaves are pale green and curve down at edges
  • Growing points die
  • Seed set is very reduced

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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