Method (electro-ultrafiltration) for a laboratory analysis procedure for analysing soil substrates to determine the nutrients available to plants. The quality (creditworthiness) of a soil with regard to its suitability for agricultural use is determined by means of a credit assessment. Especially when planting new vines for the first time, a laboratory analysis of the soil must be carried out in order to determine the site potential, nutrient supply and necessary measures for soil optimisation. With the EUF method, all main nutrients and trace elements including nitrogen (in the form of ammonium and nitrate, as well as organically bound nitrogen) can be analysed. The method determines both the immediately available and the potentially mobilisable nutrient fraction.
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Sigi Hiss
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