Boron

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The semi-metal (B) occurs naturally in the form of its oxygen compounds in the soil as borax and kernite. Boron promotes bone formation, alleviates osteoarthritis and arthritis, increases testosterone levels and seems to make vitamin D work better. In agriculture,boron fertilisation improves the stabilisation of plant cell walls and has an important function in cell division, cell differentiation, cell elongation and tissue formation in plants, as well as in nucleic acid metabolism, protein synthesis and energy metabolism. The nutrient is very important for the growth of the vine, which needs it for the transport of sugar. Only small amounts are needed, too large amounts also cause damage. Young vines in particular can die after boron overfertilisation. Boron excess manifests itself by yellowish or reddish discolouration of the leaves from the leaf edge, as well as punctiform dieback.

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Boron

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