In agriculture and forestry, a lot of researches in rhizosphere have been done. But researches in grassland plant have reported only a few. The species of grassland is very abundant, and the e-cosystem is complex. If we want to have a correctly view in grassland ecosystem, we need to develop the research in rhizosphere, the interface of plant and soil, which is one of the important inspects of grassland ecosystem. This paper will introduce the rhizosphere in mineral nutrition of plant rhizosphere, microbe o...