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Gefäßversuch mit gesteigerter Kaliumdüngung als methodischer Ansatz einer Wirksamkeitsprüfung biologisch-dynamischer Präparationen

Abstract

Effects of biodynamic yarrow preparation and plant extracts of Achillea millefolium and Digitalis purpurea on development, yield and nutrient content of radish were investigated at different rates of potassium supply in a two-year pot experiment. The results of this approach for testing biodynamic preparations depended on environmental conditions and the physiological stage of the plants at harvest. Treatments with Achillea and Digitalis had similar effects on yield and nutrient contents in tubers of radish

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