Aims of this lecture Summarize properties of the rhizosphere, especially Gradients in Nutrient concentration Redox potential Exudates Microbial activi Non-infecting rhizosphere mIcroorganIsms necting rhizosphere mIcroorganisms that are relevant to plant mineral nutrition T/d from H Marschner: Fig 15.1Aims of this lecture Summarize properties of the rhizosphere, especially: Modified from H. Marschner: Fig. 15.1 …that are relevant to plant mineral nutrition