The chart shows the distribution of publications by all Research.com ranked scientists in the field of Plant Science and Agronomy in 2026. The highlighted bar marks where John Howieson sits on this spectrum.
This scientist: 210 publications — 80th percentile
80% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 467 publications or more.
The chart shows the D-index (discipline H-index) distribution of Plant Science and Agronomy scientists ranked by Research.com in 2026. The highlighted bar marks where John Howieson sits on this spectrum.
This scientist: 46 D-Index — 60th percentile
60% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 109 D-Index or more.
John Howieson focuses on Botany, Root nodule, Symbiosis, Rhizobia and Rhizobium. The Botany study combines topics in areas such as Mesorhizobium, Sinorhizobium, Bradyrhizobium yuanmingense and Gene. His work in Root nodule tackles topics such as Burkholderia which are related to areas like Rhynchosia and Rhynchosia minima.
His Symbiosis study integrates concerns from other disciplines, such as Nitrogen fixation, Edaphic and Ecosystem. His Rhizobia study deals with Ecology intersecting with Single strain and Microbial population biology. His work carried out in the field of Rhizobium brings together such families of science as Agroforestry, Mediterranean climate, Mediterranean Basin, Productivity and Microbial inoculant.
John Howieson spends much of his time researching Botany, Rhizobia, Agronomy, Nitrogen fixation and Symbiosis. His research integrates issues of Genome, Whole genome sequencing, Bacteria, Root nodule and Medicago in his study of Botany. His work deals with themes such as Ecology, Biotechnology, Genetic diversity and Rhizobium, which intersect with Rhizobia.
His studies deal with areas such as Agriculture and Microbial inoculant as well as Agronomy. His Nitrogen fixation research includes elements of Germplasm and Rhizobium leguminosarum. His biological study spans a wide range of topics, including Perennial plant, Edaphic and Host.
John Howieson mostly deals with Rhizobia, Agronomy, Botany, Legume and Nitrogen fixation. His Rhizobia study improves the overall literature in Symbiosis. John Howieson works mostly in the field of Agronomy, limiting it down to topics relating to Agriculture and, in certain cases, Nutrient, Biomass and Abiotic component.
The various areas that John Howieson examines in his Botany study include Whole genome sequencing and Root nodule. His Root nodule research incorporates themes from 16S ribosomal RNA and Microbiology. His Legume research incorporates elements of Dry soil and Germination, Horticulture, Sowing.
His primary areas of study are Rhizobia, Botany, Root nodule, Genome and Nitrogen fixation. Rhizobia is a subfield of Symbiosis that John Howieson tackles. His studies in Botany integrate themes in fields like Isolation and Solid medium.
His work in Root nodule covers topics such as 16S ribosomal RNA which are related to areas like Microbiology. His Genome study which covers Sequence analysis that intersects with Phylogenetic tree, Diazotroph, Phylogenetics, Operon and Symbiotic bacteria. His Nitrogen fixation research includes themes of Strain and Whole genome sequencing.
A. Sessitsch;J.G. Howieson;X. Perret;H. Antoun
Phillip Nichols;A. Loi;B.J. Nutt;P.M. Evans
J.G. Howieson;J.G. Howieson;G.W. O’Hara;G.W. O’Hara;S.J. Carr
J. G. Howieson;M. A. Ewing;M. F. D'Antuono
Julie K. Ardley;Matthew A. Parker;Sofie E. De Meyer;Robert D. Trengove
Tomasz Stępkowski;Lionel Moulin;Agnieszka Krzyżańska;Alison McInnes
John Howieson;Ross Ballard
Giovanni Garau;Ron J. Yates;Ron J. Yates;Pietrino Deiana;John G. Howieson;John G. Howieson
A. Loi;J. G. Howieson;B. J. Nutt;S. J. Carr
Kemanthi G. Nandasena;Graham W. O'Hara;Ravi P. Tiwari;Ertuğ Sezmiş
Jason J. Terpolilli;Graham W. O’Hara;Ravi P. Tiwari;Michael J. Dilworth
Huaan Yang;Ye Tao;Zequn Zheng;Chengdao Li
Wayne G. Reeve;Ravi P. Tiwari;Penelope S. Worsley;Michael J. Dilworth
Wayne Reeve;Patrick S. G. Chain;Patrick S. G. Chain;Graham O'Hara;Julie Ardley
Huaan Yang;Ye Tao;Zequn Zheng;Qisen Zhang
Kemanthi G. Nandasena;Graham W. O'Hara;Ravi P. Tiwari;John G. Howieson
J. G. Howieson;R. J. Yates;K. J. Foster;D. Real
Michael Black;Paula Moolhuijzen;Brett Chapman;Roberto Barrero
John G. Howieson;Sofie E. De Meyer;Anabel Vivas-Marfisi;Sunil Ratnayake
Alison McInnes;Janice E Thies;Lynette K Abbott;John Howieson
Giovanni Garau;Wayne G. Reeve;Lambert Brau;Pietrino Deiana
Ron J. Yates;John G. Howieson;Kemanthi G. Nandasena;Graham W. O'Hara
J.G. Howieson;M.J. Dilworth
J.J. Terpolilli;G.W. O'Hara;R.P. Tiwari;M.J. Dilworth
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