P. R. Darrah

4.1k total citations · 1 hit paper
46 papers, 2.8k citations indexed

About

P. R. Darrah is a scholar working on Plant Science, Soil Science and Biomedical Engineering. According to data from OpenAlex, P. R. Darrah has authored 46 papers receiving a total of 2.8k indexed citations (citations by other indexed papers that have themselves been cited), including 36 papers in Plant Science, 20 papers in Soil Science and 11 papers in Biomedical Engineering. Recurrent topics in P. R. Darrah's work include Soil Carbon and Nitrogen Dynamics (20 papers), Plant nutrient uptake and metabolism (13 papers) and Mycorrhizal Fungi and Plant Interactions (11 papers). P. R. Darrah is often cited by papers focused on Soil Carbon and Nitrogen Dynamics (20 papers), Plant nutrient uptake and metabolism (13 papers) and Mycorrhizal Fungi and Plant Interactions (11 papers). P. R. Darrah collaborates with scholars based in United Kingdom, United States and Slovakia. P. R. Darrah's co-authors include Davey L. Jones, Mark D. Fricker, Sarah C. Watkinson, Daniel P. Bebber, M. Tlalka, Robert E. White, Tiina Roose, P. H. Nye, Lynne Boddy and A. C. Fowler and has published in prestigious journals such as Proceedings of the National Academy of Sciences, Development and Water Resources Research.

In The Last Decade

P. R. Darrah

46 papers receiving 2.6k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Role of root derived organic acids in the mobilization of nutrients from the rhizosphere

1994 525 citations Davey L. Jones, P. R. Darrah Plant and Soil profile →

Peers

P. R. Darrah

EEBS

ECOLO

POLLU

Hans‐Werner Koyro Germany

Tatsuhiko Shiraiwa Japan

Qingxu Ma China

Takeshi Horie Japan

B. Sattelmacher Germany

Thomas W. Rufty United States

Yali Meng China

W. Merbach Germany

Glenn McDonald Australia

Gabriella Stefania Scippa Italy

Hans‐Werner Koyro Germany

P. R. Darrah

1.8k ×0.9

803 ×0.9

141 ×0.4

EEBS

218 ×0.7

ECOLO

210 ×0.8

POLLU

Citations per year, relative to P. R. Darrah P. R. Darrah (= 1×) peers Hans‐Werner Koyro

Countries citing papers authored by P. R. Darrah

Since Specialization

Citations

This map shows the geographic impact of P. R. Darrah's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by P. R. Darrah with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites P. R. Darrah more than expected).

Fields of papers citing papers by P. R. Darrah

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by P. R. Darrah. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by P. R. Darrah. The network helps show where P. R. Darrah may publish in the future.

Co-authorship network of co-authors of P. R. Darrah

This figure shows the co-authorship network connecting the top 25 collaborators of P. R. Darrah. A scholar is included among the top collaborators of P. R. Darrah based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with P. R. Darrah. P. R. Darrah is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Sanders, Heather, P. R. Darrah, & Jane A. Langdale. (2011). Sector analysis and predictive modelling reveal iterative shoot-like development in fern fronds. Development. 138(14). 2925–2934. 27 indexed citations

Bebber, Daniel P., Sarah C. Watkinson, Lynne Boddy, & P. R. Darrah. (2011). Simulated nitrogen deposition affects wood decomposition by cord-forming fungi. Oecologia. 167(4). 1177–1184. 60 indexed citations

Fricker, Mark D., Jessica A. Lee, Daniel P. Bebber, et al.. (2008). Imaging complex nutrient dynamics in mycelial networks. Journal of Microscopy. 231(2). 317–331. 62 indexed citations

Tlalka, M., Daniel P. Bebber, P. R. Darrah, Sarah C. Watkinson, & Mark D. Fricker. (2008). Quantifying dynamic resource allocation illuminates foraging strategy in Phanerochaete velutina. Fungal Genetics and Biology. 45(7). 1111–1121. 23 indexed citations

Fricker, Mark D., et al.. (2007). Fourier-based spatial mapping of oscillatory phenomena in fungi. Fungal Genetics and Biology. 44(11). 1077–1084. 22 indexed citations

Tlalka, M., Daniel P. Bebber, P. R. Darrah, Sarah C. Watkinson, & Mark D. Fricker. (2007). Emergence of self-organised oscillatory domains in fungal mycelia. Fungal Genetics and Biology. 44(11). 1085–1095. 37 indexed citations

Watkinson, Sarah C., Lynne Boddy, Kerry S. Burton, et al.. (2005). New approaches to investigating the function of mycelial networks. Mycologist. 19(1). 11–17. 1 indexed citations

Tlalka, M., et al.. (2003). Noncircadian oscillations in amino acid transport have complementary profiles in assimilatory and foraging hyphae of Phanerochaete velutina. New Phytologist. 158(2). 325–335. 32 indexed citations

Tlalka, M., Sarah C. Watkinson, P. R. Darrah, & Mark D. Fricker. (2002). Continuous imaging of amino‐acid translocation in intact mycelia of Phanerochaete velutina reveals rapid, pulsatile fluxes. New Phytologist. 153(1). 173–184. 45 indexed citations

10.

Roose, Tiina, A. C. Fowler, & P. R. Darrah. (2001). A mathematical model of plant nutrient uptake. Journal of Mathematical Biology. 42(4). 347–360. 103 indexed citations

11.

Darrah, P. R.. (1995). Rhizodeposition under ambient and elevated CO2 levels. Plant and Soil. 187(2). 265–275. 51 indexed citations

12.

Jones, Davey L. & P. R. Darrah. (1994). Amino-acid influx at the soil-root interface of Zea mays L. and its implications in the rhizosphere. Plant and Soil. 163(1). 1–12. 201 indexed citations

13.

Jones, Davey L. & P. R. Darrah. (1994). Role of root derived organic acids in the mobilization of nutrients from the rhizosphere. Plant and Soil. 166(2). 247–257. 525 indexed citations breakdown →

14.

Jones, Davey L. & P. R. Darrah. (1993). Influx and efflux of amino acids from Zea mays L. roots and their implications for N nutrition and the rhizosphere. Plant and Soil. 155-156(1). 87–90. 57 indexed citations

15.

Darrah, P. R.. (1991). Measuring the diffusion coefficient of rhizosphere exudates in soil. I. The diffusion of non‐sorbing compounds. Journal of Soil Science. 42(3). 413–420. 35 indexed citations

16.

McAuley, P. J. & P. R. Darrah. (1990). Regulation of numbers of symbiotic Chlorella by density-dependent division. Philosophical Transactions of the Royal Society B Biological Sciences. 329(1252). 55–63. 21 indexed citations

17.

Sposito, Garrison, Robert E. White, P. R. Darrah, & William A. Jury. (1986). A Transfer Function Model of Solute Transport Through Soil: 3. The Convection‐Dispersion Equation. Water Resources Research. 22(2). 255–262. 68 indexed citations

18.

Darrah, P. R., Robert E. White, & P. H. Nye. (1986). Simultaneous nitrification and diffusion in soil. II. The effects at levels of ammonium chloride which inhibit nitrification. Journal of Soil Science. 37(1). 41–52. 21 indexed citations

19.

Darrah, P. R., P. H. Nye, & Robert E. White. (1985). Modelling growth responses of soil nitrifiers to additions of ammonium sulphate and ammonium chloride. Plant and Soil. 86(3). 425–439. 20 indexed citations

20.

Darrah, P. R., Robert E. White, & P. H. Nye. (1985). Simultaneous nitrification and diffusion in soil. I. The effects of the addition of a low level of ammonium chloride. Journal of Soil Science. 36(2). 281–292. 11 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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