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Soil Health and Fertility in Agriculture: A Bibliometric Mapping of Global Knowledge and Practices
Summary
This bibliometric analysis of global soil science research used VOSviewer to map keyword co-occurrence, author networks, and international collaborations, identifying soil fertility, microbiology, and nutrient dynamics as the core research focuses alongside emerging interests in microplastics and sustainable agriculture.
This study delineates the worldwide terrain of soil science research through bibliometric and network analysis to discern topic trends, conceptual frameworks, and patterns of international collaboration. Data obtained from Scopus and Web of Science were analyzed using VOSviewer to depict keyword co-occurrences, author networks, institutional connections, and international collaborations. The results indicate that soil fertility is the primary emphasis of the discipline, intricately associated with related topics including soil microbiology, nutrient dynamics, crop production, and sustainable agriculture. Emerging research domains—such as biochar, climate change effects, microplastics, biodiversity, and food security—indicate a transition towards sustainability-focused and ecologically integrated methodologies. Collaboration networks identify India, China, and European nations as prominent research centers, bolstered by robust institutional and transdisciplinary alliances. The study offers useful insights; yet, it is constrained by database coverage and dependence on quantitative measurements. The findings enhance comprehension of worldwide research trends and provide guidance for future investigations that incorporate ecological resilience, agricultural innovation, and climate-adaptive soil management.
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