基于Web of Science和万方专利对土壤酸化和改良材料研究的计量分析

土壤酸化问题在近年来广受土壤和环境领域关注。为探索土壤酸化和改良材料应用现状,本文以Web of Science核心合集和万方专利数据库为基础,以“acid* soil*” or “soil acidi*”为检索式检索1990-2019年的期刊论文,以“酸化/酸性土壤改良剂/调理剂”为主题词检索2010-2019年的发明专利,分别检索出10193篇期刊论文和297篇发明专利,采用VOSviewer、CiteSpace和HistCite等可视化软件对关键词、期刊、作者、机构、国家等字段进行共现、共被引和引文分析等。结果表明土壤酸化及其改良材料得到越来越多的重视,进一步加强土壤酸化及其改良研究对土壤基础科学发展具有重要意义;研究领域聚焦于土壤酸化的生物化学过程、土壤铝毒及其防治、土壤重金属活化及其钝化、土壤酸化及其改良材料应用四大方面;近10年来,土壤酸化改良主要聚焦于石灰、农业废弃物/副产品、工业废弃物/副产品和矿物类等热点改良材料,而生物质炭、天然高分子、腐植酸盐和微生物菌剂等新型热点材料越来越受到学者的关注;高产国家美国、中国和澳大利亚等农业大国合作关系密切;高产机构中国科学院、中国科学院大学和西澳大学等机构有密切合作关系;高产作者Baligar VC,Xu renkou,Fageria NK等有密切合作关系。本研究有助于全面了解土壤酸化及其改良研究领域现状和趋势,为土壤酸化调控和可持续发展提供重要参考和依据。

Bibliometric Analysis of Soil Acidification and Improvement Materials Based on Web of Science and Wanfang Patent Database

Soil acidification has been widely concerned in the field of soil and environment in recent years. In order to explore the application status of soil acidification and improvement materials, Based on the core collection of Web of Science and Wanfang patent database, journal papers from 1990 to 2019 were searched with "acid* soil*" or "soil acidi*", and the invention patents from 2010 to 2019 were searched with the subject word "acidification / acid soil conditioner / conditioner". Total 10193 journal papers and 297 invention patents were retrieved respectively. Visual software such as VOSviewer, CiteSpace and HistCite are used to analyze the co-occurrence, co-citation and citation of keywords, journals, authors, institutions, countries and other fields. The results show that: More and more attention has been paid to soil acidification and its improvement materials, and further strengthening soil science is of great significance to the study of soil acidification and its improvement. The research field focuses on the biochemical process of soil acidification, soil aluminum toxicity and its prevention, soil heavy metal activation and passivation, soil acidification and the application of improved materials. In the past 10 years, soil acidification improvement has mainly focused on traditional materials such as lime, agricultural wastes / by-products, industrial wastes / by-products and minerals. New materials such as biochar, natural polymers, humates and microbial agents have attracted more and more attention. The high-yield countries such as the United States, China and Australia have close cooperation between each other. And the high-yield institutions such as the Chinese Academy of Sciences, the University of the Chinese Academy of Sciences and the University of Western Australia have close cooperation. The high-yield authors such as Baligar VC, Xu renkou, Fageria NK have close cooperation. This study contributes a comprehensive understanding of the current situation and trend in the field of soil acidification and its amendments, as well as providing an important reference and basis for soil acidification regulation and sustainable development.