Nutrients

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Depending on the type of soil and the geological and climatic conditions, the roots of the vine can penetrate to a depth of 15 to 20 metres. However, they cannot absorb the nutrients in solid form. Weathering converts the substances into tiny particles, which can then be absorbed by the roots in an aqueous solution. The soil water containing the nutrients is called soil solution.

The uptake of nutrients in ionic form takes place primarily through the roots. The uptake is mainly limited to gas exchange such as carbon dioxide and oxygen and the regulation of the water balance. The water is released in the form of water vapour (transpiration). This helps the plant to release excess heat and absorb nutrients from the soil through transpiration. However, other substances can also be absorbed in dissolved water form via the leaves through foliar fertilisation.

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