Phosphorus

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Element (P) that is luminous through oxidation and whose name is derived from phosphoros (Greek for light bearer). In nature, it occurs exclusively bound, mostly in the form of phosphates. Typical minerals are apatite, phosphorite, turquoise and wavellite. It is also contained in guano (bird excrement) and is used in this form as fertiliser. Pure, white phosphorus produces corrosive sores and is very toxic; as little as 50 mg is fatal to humans. Phosphorus compounds are essential for all living organisms and are involved in central areas such as DNA as a component of nucleic acids and cellular energy supply. In the metabolism of the vine, phosphorus fulfils a variety of functions. It plays a central role in the energy balance, in photosynthesis and as a component of proteins and enzymes. The proportion is particularly high in the grape seeds. In very simplified terms, it can be said that phosphorus primarily serves the formation of blossoms and fruit.

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Phosphorus

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