Haase, S; Neumann, G; Kania, A; Kuzyakov, Y; Römheld, V; Kandeler, E: Elevated CO2 and N affect plant microbial interactions in rhizosphere of Phaseolus vulgaris L. by modification of quantity and composition of root exudates, Soil Biology & Biochemistry, 9(39), 2208-221 (2007) |