介绍了植物根际促生菌的种类,总结了近年来植物根际促生菌在作用机理方面的研究成果,指出了该研究领域存在的问题,并对今后的研究方向进行了展望.%The category of plant growth promoting rhizobacteria (PGPR) were introduced,moreover,the research results of plant growth promoting rhizobacteria in the aspects of mechanism in recent years were summarized. What' s more, problems in the study area were pointed out, finally,the research direction in the future were prospected.
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