Plant-soil feedback experiment is an important way for studying plant-soil biota interactions.Plant growth can change soil physical,chemical,and biotic properties in ways that then alter subsequent plant performance,population fluctuation,and community dynamics.This process,referred to as"plant-soil feedback"(PSF),might play a key role in biodiversity maintenance,sustainable agriculture development,and ecological restoration.In this review,we first provide an overview of the concept and research methods of PSF.Second,we review the research progress of the role of PSF in the maintenance of plant species diversity,plant community succession,plant invasions and range shifts,ecological response to climate change,above-and below-ground multitrophic interactions,ecosystem restoration,and crop performance in different cropping systems.We suggest three directions for future PSF studies,including:(1)the transition from single-species to community-level interactions between plants and soil biota;(2)the test of PSF experiments in field conditions;(3)the expansion of theoretical knowledge into ecological practice.
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