Advances in Application of Models in Soil Quality Evaluation
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Soil quality is a comprehensive reflection of soil properties. Since the soil quality concept was put forward in the 1970s, the quality of different type soils in different regions have been evaluated through a variety of evaluation methods, but it still lacks universal soil quantity evaluation models and methods. In this paper, the applications and prospects of grey relevancy comprehensive evaluation model, attribute hierarchical model, fuzzy comprehensive evaluation model, matter-element model, RAGA-based PPC/PPE model and GIS model in soil quality evaluation are reviewed.