See under EUF method.
The quality (creditworthiness) of a soil with regard to its suitability for agricultural use is determined by means of bonitur. Especially when planting new vines for the first time, a laboratory analysis of the soil must be carried out as a first measure. The EUF method is a laboratory analysis procedure (electro-ultrafiltration) for testing soil substrates for the nutrients available to plants. All main nutrients and trace elements including nitrogen (in the form of...
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