Kautz, Timo; Athmann, Miriam and Köpke, Ulrich (2014) Growth of barley (Hordeum vulgare L.) roots in biopores with differing carbon and nitrogen contents. In: Rahmann, G. and Aksoy, U. (Eds.) Building Organic Bridges, Johann Heinrich von Thünen-Institut, Braunschweig, Germany, 2, Thuenen Report, no. 20, pp. 391-394.