Analysis of the Impact of Cover Crops on Maize Production Based on CiteSpace
This study used CiteSpace software to conduct a systematic analysis of the development trends in cover crop-maize research from 2001 to 2024.The results show that the number of publications in this field is on the rise both domestically and internationally.The United States(with 331 publications),Brazil(67),and China(32)are the top three in terms of publication volume,with China accounting for 6％of the global research output,high-lighting its pivotal role in this field.A close-knit academic community centered on scholars such as Wei-Dong Cao,Qiu Zhao,and Aizhong Yu has made significant contributions to cover crop-maize research in China.Institutions like the Chinese Academy of Agricultural Sciences and the United States Department of Agriculture's Agricultural Research Service have demonstrated high academic standards in this area.Keyword analysis indicates that soil nu-trients,soil fertility,and yield in maize fields have been persistent hot topics in cover crop research,with a shift from macroscopic traits like yield and phenotype to microscopic biological dynamics and mechanisms,reflecting a transition from traditional agriculture to modern conservation tillage.In summary,research on cover crops shows broad prospects and potential applications in maize production.Future research should focus on the ecological bene-fits and agricultural sustainability of cover crops,exploring their synergistic mechanisms with soil and microorgan-isms to promote sustainable maize production.
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