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土壤酶研究热点与趋势——基于知识图谱分析
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Abstract:
土壤酶是影响土壤物质循环与能量流动的关键因素，目的：为了摸清我国近年来土壤酶的研究热点和发展动态，从存在问题和关注热点出发，提出下一步的研究重点。方法：基于CNKI学术期刊数据库借助CiteSpace软件采用文献计量学方法对关键词、发文机构、主题等进行了分类与可视化分析。结果：当前农业类高校是研究的中坚力量，但各高校之间合作力度不足一定程度上阻碍了土壤酶研究的创新发展。土壤酶活性与土壤肥力关系一直是土壤酶研究的关注热点，研究方向主要集中基于土壤微生态变化视角，探讨土壤酶与土壤质地、养分、微生物的关系，有效改善土壤微生物群落结构，提高土壤酶活性和养分利用效率，解决农业生产问题。结论：计量分析有助于全面认识我国土壤酶的研究状况，为土壤酶研究的发展技术的创新，提供思考与借鉴。
Soil enzymes are the key factors affecting the circulation of soil substances and energy flow. Objective: In order to find out the research hotspots and development dynamics of soil enzymes in China in recent years, the next research foci are proposed from the existing problems and concerns. Method: Based on CNKI academic journal database, with CiteSpace software, bibliometric method is used to classify and visualize keywords, publishing institutions and topics. Result: At present, agricultural universities are the backbone of research, but the lack of cooperation among universities has hindered the innovative development of soil enzyme research to some extent. The relationship between soil enzyme activity and soil fertility has been the focus of soil enzyme research. The research direction is mainly based on soil biomass variation perspective, discussing the relationship between soil enzymes and soil texture, nutrients, and microorganisms, effectively improving soil microbial community structure, improving the efficiency of soil enzyme activity and nutrient utilization, and solving the problem of agricultural production. Conclusion: Measurement analysis is helpful to fully understand the research status of soil enzyme in China, and to provide thinking and reference for the innovation of the development technology of soil enzyme research.
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