Dr Manfred Klett is a founder of a biodynamic farming community in Germany. He is the former director of the Department of Agriculture at the Goetheanum in Switzerland and has over...vizualizați mai multeDr Manfred Klett is a founder of a biodynamic farming community in Germany. He is the former director of the Department of Agriculture at the Goetheanum in Switzerland and has over 60 years' experience of biodynamic agriculture.vizualizați mai puține