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==BORON== | ==BORON== | ||
'''B'''Boron is an essential plant nutrient. Whereas lack of boron results in boron deficiency disorder, high soil concentrations of boron may also be toxic to plants. As an ultratrace element, boron is necessary for the optimal health of rats and presumably other mammals, though its physiological role in animals is not yet fully understood. | '''B''' Boron is an essential plant nutrient. Whereas lack of boron results in boron deficiency disorder, high soil concentrations of boron may also be toxic to plants. As an ultratrace element, boron is necessary for the optimal health of rats and presumably other mammals, though its physiological role in animals is not yet fully understood. | ||
Boron is a trivalent metalloid element which occurs abundantly in the evaporite ores borax and ulexite. | Boron is a trivalent metalloid element which occurs abundantly in the evaporite ores borax and ulexite. | ||