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Boron in Plant Nutrition

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Boron deficiency symptoms

Boron deficiency symptoms

Plants initially may not exhibit obvious symptoms of boron deficiency. When moderate or severe boron deficiency occurs, most crops exhibit visible symptoms. Knowledge of boron deficiency symptoms can help in diagnosing deficiencies.

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The role of boron in flowering and fruit, nut and seed formation

The role of boron in flowering and fruit, nut and seed formation

One of the important functions of boron in plant nutrition is its role in fostering pollen growth and development, which is important in seed set and the resulting fruit, nut and grain production.

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Boron mobility in various plant species

Boron mobility in various plant species

Plant uptake of boron is a passive (non-metabolic) process and boron is transported in the xylem vessels (transpiration stream) of all plant species. Therefore, boron is mobile in the xylem system of all plants.

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Functions of boron in plant nutrition

Functions of boron in plant nutrition

Boron is a micronutrient required for all plant nutrition. The main functions of boron relate to cell wall strength and development, cell division, fruit and seed development, sugar transport, and hormone development. Some functions of boron interrelate with those of nitrogen, phosphorus, potassium and calcium in plants.

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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 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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