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A fundamental part of life on Earth

Educational Video

As one of the chemical elements that make up our planet, boron is all around us—in soil and water, plants and animals—in trace amounts.

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20 Mule Team parade

educational video

Celebrating 145 years of Rio Tinto's borates business.

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A fundamental part of life on Earth

educational video

As one of the chemical elements that make up our planet, boron is all around us—in soil and water, plants and animals—in trace amounts.

Watch the video

A Minute in the Field: Granubor and Soybeans

product video

Dan Luepkes from Corn Warriors talks to U.S. Borax about his best practices for using Granubor on to solve boron deficiency on soybeans.

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A Minute in the Field: Solubor During the Growing Season

product video

Dan Luepkes from Corn Warriors talks to U.S. Borax about when he uses Solubor during the growing season to grow competition-worthy corn.

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A Minute in the Field: Solubor in Operations

product video

Dan Luepkes from Corn Warriors talks to U.S. Borax how he uses Solubor in his operations to grow competition-worthy corn.

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A Minute in the Field: Solubor's Cost-Effectiveness

product video

Dan Luepkes from Corn Warriors talks to U.S. Borax about how Solubor is more cost effective than other boron delivery products.

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A Minute in the Field: Solubor's Solubility

product video

Dan Luepkes from Corn Warriors talks to U.S. Borax about how easy it is to mix Solubor in solutions.

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Achieving High Rice Yield and Quality with the 20 Mule Team Borate Fertilizers

brochure

As one of the micronutrients that all plants need, boron plays an important role in a number of vital processes in rice growth such as cell wall synthesis, cell membrane functions, root development, pollen tube germination, flower initiation and seed production.

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Alfalfa (USA)

field study

Orange, Virginia (1971): Yield was significantly improved

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Alfalfa: Boron for profitable alfalfa

Alfalfa: Boron for profitable alfalfa

agronomy note

Alfalfa has a higher boron requirement than most crops. For optimum yields of high quality alfalfa, it is essential to maintain adequate supplies of available boron throughout the growing season.

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Ammonium Pentaborate

data sheet

Ammonium pentaborate is a product resulting from the controlled reaction of ammonia, water, and boric acid.

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Ammonium Pentaborate SQ Granular

specifications sheet

A white, crystalline product manufactured in the U.S.A. by U.S. Borax Inc.

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Industrial U.S. Borax Products by Application

Industrial U.S. Borax Products by Application

Brochure

An essential part of industry—and everyday life

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Life Depends on Boron

Life Depends on Boron

Brochure

As one of the 109 elements that make up the planet, it’s not surprising that boron is all around us—in soil and water, plants and animals.

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Borate handling and storage

Borate handling and storage

Technical Bulletin

Most borates produced by U.S. Borax are relatively stable materials which are normally supplied in 50 lb or 25 kg bags. All bagged borate products should be hadled with care.

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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 500 customers with more than 1,700 delivery locations globally. We supply 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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