A central metric used is the D-index (Discipline H-index), which evaluates a scientist’s impact specifically within the examined discipline. Unlike a general H-index, the D-index exclusively incorporates a researcher’s publications and citation counts pertinent to Plant Science and Agronomy, providing a focused measurement of scholarly influence relevant to the field.
Scope of Research and Ranking Criteria
In developing the ranking, a total of 279,971 scientist profiles spanning all scientific disciplines were analyzed using various bibliometric data sources. Within this broad dataset, 3,000 scientists from Plant Science and Agronomy were identified for detailed evaluation. To qualify for inclusion in the ranking, a scientist was required to meet a minimum D-index threshold of 30, with the majority of their tier publications categorized explicitly under Plant Science and Agronomy.
Beyond bibliometric performance, consideration was also given to the awards and recognized achievements a scientist has attained within the discipline, adding qualitative context to their scholarly impact. The D-index threshold used to select top researchers is dynamically adjusted in increments of 10, reflecting the estimated total number of scholars active within each discipline. This approach ensures that the top 1% of leading scholars in Plant Science and Agronomy are incorporated in the ranking.
Furthermore, an additional criterion mandates that the proximity between a scientist’s general H-index and their discipline-specific D-index is 30% or less, ensuring that their research output remains focused on Plant Science and Agronomy, rather than broadly distributed across unrelated fields.
Verification Practices and Ranking Methodology
Recognizing the limitations of raw bibliometric data as an absolute measure of scholarly output, the researchers behind this ranking undertook meticulous manual verification of all scientist profiles. This process included cross-correlation of bibliometric records against publications in a wide array of trustworthy sources to confirm accuracy and author identity.
While not directly affecting a researcher’s rank, the volume of publications in prominent journals and conference proceedings serves as a valuable secondary indicator of scientific contribution within Plant Science and Agronomy.
The ranking positions are determined exclusively through the calculation of each researcher’s D-index, derived from data extracted from OpenAlex and CrossRef — the most prominent and credible bibliometric databases accessible to the research community at large.
Readers interested in a detailed exposition of the methodologies and validation procedures employed are encouraged to consult our methodology page.
Research.com’s Mission and Vision
At Research.com, our core mission is to inspire researchers, academic institutions, policymakers, and industry leaders worldwide to examine the trajectories of leading experts within specific scientific domains. By providing transparent and rigorously validated rankings, we aim to illuminate who the foremost scientists are within distinct areas of study, countries, and research organizations.
Our goal is to foster greater awareness and collaboration within the global scientific community, facilitating access to expertise and promoting excellence in research. The careful and painstaking work invested in compiling the Best Plant Science and Agronomy Scientists in Nigeria Ranking reflects our commitment to delivering credible, data-driven insights that empower decision-making and strategic engagement across the sciences.
