R. B. Clark

7.8k total citations · 1 hit paper
155 papers, 4.4k citations indexed

About

R. B. Clark is a scholar working on Plant Science, Soil Science and Agronomy and Crop Science. According to data from OpenAlex, R. B. Clark has authored 155 papers receiving a total of 4.4k indexed citations (citations by other indexed papers that have themselves been cited), including 121 papers in Plant Science, 31 papers in Soil Science and 27 papers in Agronomy and Crop Science. Recurrent topics in R. B. Clark's work include Plant Micronutrient Interactions and Effects (63 papers), Aluminum toxicity and tolerance in plants and animals (34 papers) and Plant nutrient uptake and metabolism (30 papers). R. B. Clark is often cited by papers focused on Plant Micronutrient Interactions and Effects (63 papers), Aluminum toxicity and tolerance in plants and animals (34 papers) and Plant nutrient uptake and metabolism (30 papers). R. B. Clark collaborates with scholars based in United States, Brazil and Jordan. R. B. Clark's co-authors include S. K. Zeto, V. C. Baligar, J. W. Maranville, J. C. Brown, Ghazi N. Al‐Karaki, J. R. Ellis, D. C. Martens, K. D. Ritchey, Richard W. Zobel and W. M. Ross and has published in prestigious journals such as PLANT PHYSIOLOGY, Journal of Agricultural and Food Chemistry and Soil Biology and Biochemistry.

In The Last Decade

R. B. Clark

152 papers receiving 4.0k 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.

Characterization of phosphatase of intact maize roots

1975 309 citations R. B. Clark profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
R. B. Clark United States	35	3.7k	866	495	412	410	155	4.4k
Fernando Borie Chile	37	2.7k 0.7×	1.4k 1.6×	235 0.5×	385 0.9×	710 1.7×	106	4.0k
Zdenko Rengel Australia	47	6.5k 1.8×	1.9k 2.2×	1.3k 2.6×	99 0.2×	536 1.3×	122	7.5k
Cengiz Kaya Türkiye	54	7.6k 2.1×	948 1.1×	526 1.1×	151 0.4×	611 1.5×	164	8.7k
Armand Guckert France	30	2.3k 0.6×	1.0k 1.2×	399 0.8×	56 0.1×	364 0.9×	89	3.3k
M. H. Miller Canada	30	4.6k 1.3×	1.5k 1.7×	370 0.7×	860 2.1×	231 0.6×	78	5.5k
Manuel Sánchez‐Díaz Spain	47	5.6k 1.5×	737 0.9×	726 1.5×	180 0.4×	229 0.6×	125	6.5k
María del Mar Alguacil Spain	38	2.8k 0.8×	983 1.1×	211 0.4×	662 1.6×	210 0.5×	83	3.6k
Konrad Mengel Germany	32	4.4k 1.2×	1.7k 1.9×	719 1.5×	30 0.1×	394 1.0×	61	6.0k
Roberto Pinton Italy	40	4.0k 1.1×	992 1.1×	261 0.5×	47 0.1×	394 1.0×	104	4.9k
Terry J. Rose Australia	37	2.7k 0.7×	1.2k 1.4×	603 1.2×	88 0.2×	300 0.7×	129	4.0k

Countries citing papers authored by R. B. Clark

Since Specialization

Citations

This map shows the geographic impact of R. B. Clark'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 R. B. Clark with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites R. B. Clark more than expected).

Fields of papers citing papers by R. B. Clark

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by R. B. Clark. 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 R. B. Clark. The network helps show where R. B. Clark may publish in the future.

Co-authorship network of co-authors of R. B. Clark

This figure shows the co-authorship network connecting the top 25 collaborators of R. B. Clark. A scholar is included among the top collaborators of R. B. Clark 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 R. B. Clark. R. B. Clark is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Clark, R. B. & S. K. Zeto. (2000). Mineral acquisition by arbuscular mycorrhizal plants. Journal of Plant Nutrition. 23(7). 867–902. 431 indexed citations

Clark, R. B., Richard W. Zobel, & S. K. Zeto. (1999). Effects of mycorrhizal fungus isolates on mineral acquisition by Panicum virgatum in acidic soil. Mycorrhiza. 9(3). 167–176. 59 indexed citations

Clark, R. B., E. E. Alberts, Richard W. Zobel, et al.. (1998). Eastern gamagrass (Tripsacum dactyloides) root penetration into and chemical properties of claypan soils. Plant and Soil. 200(1). 33–45. 37 indexed citations

Clark, R. B., S. K. Zeto, V. C. Baligar, & K. D. Ritchey. (1997). Growth traits and mineral concentrations of maize hybrids grown on unlimed and limed acid soil. Journal of Plant Nutrition. 20(12). 1773–1796. 18 indexed citations

Clark, R. B. & S. K. Zeto. (1996). Iron acquisition by mycorrhizal maize grown on alkaline soil. Journal of Plant Nutrition. 19(2). 247–264. 26 indexed citations

Clark, R. B., et al.. (1992). Leaf Chlorosis and Seed Yield of Dry Beans Grown on High-pH Calcareous Soil following Foliar Iron Sprays. HortScience. 27(9). 983–985. 24 indexed citations

Coyne, Dermot P., et al.. (1991). Medium pH and Leaf Nutrient Concentration Influence Rust Pustule Diameter on Leaves of Dry Beans. HortScience. 26(4). 412–414. 2 indexed citations

Raju, P. S., R. B. Clark, J. R. Ellis, & J. W. Maranville. (1990). Mineral uptake and growth of sorghum colonized with VA mycorrhiza at varied soil phosphorus levels. Journal of Plant Nutrition. 13(7). 843–859. 27 indexed citations

Raju, P. S., R. B. Clark, J. R. Ellis, & J. W. Maranville. (1988). Effects of Va mycorrhizae on growth and mineral uptake of sorghum grown at varied levels of soil acidity. Communications in Soil Science and Plant Analysis. 19(7-12). 919–931. 13 indexed citations

10.

Raju, P. S., R. B. Clark, R. Maiti, & J. W. Maranville. (1987). Potassium and Phosphorus. Journal of Plant Nutrition. 10(9-16). 2017–2024. 4 indexed citations

11.

Clark, R. B. & Rainer Gross. (1986). Plant genotype differences to iron. Journal of Plant Nutrition. 9(3-7). 471–491. 11 indexed citations

12.

Coyne, Dermot P., et al.. (1986). Field, nutrient solution and temperature effect upon iron leaf chlorosis of dry beans (phaseolus vulgaris L.). Journal of Plant Nutrition. 9(3-7). 397–415. 13 indexed citations

13.

Clark, R. B., et al.. (1986). Iron deficiency stress effects on total iron in various leaves and nutrient solution pH in sorghum and beans. Journal of Plant Nutrition. 9(3-7). 893–907. 2 indexed citations

14.

Ross, W. M., et al.. (1986). Iron‐deficiency chlorosis: Its heritability and effects on agronomic traits in a sorghum population. Journal of Plant Nutrition. 9(3-7). 423–433. 8 indexed citations

15.

Clark, R. B., et al.. (1986). Comparison of iron analyses and iron chlorosis in Kentucky bluegrass cultivars. Journal of Plant Nutrition. 9(3-7). 867–872. 4 indexed citations

16.

Clark, R. B., et al.. (1984). Plant genotype differences to ferrous and total iron in emerging leaves. I. Sorghum and maize. Journal of Plant Nutrition. 7(1-5). 371–387. 9 indexed citations

17.

Furlani, A. M. C., R. B. Clark, J. W. Maranville, & W. M. Ross. (1984). Sorghum genotype differences in phosphorus uptake rate and distribution in plant parts. Journal of Plant Nutrition. 7(7). 1113–1126. 24 indexed citations

18.

Furlani, A. M. C., R. B. Clark, J. W. Maranville, & W. M. Ross. (1984). Root phosphatase activity of sorghum genotypes grown with organic and inorganic sources of phosphorus. Journal of Plant Nutrition. 7(11). 1583–1595. 20 indexed citations

19.

Olsen, R. A., R. B. Clark, & Jesse H. Bennett. (1981). The Enhancement of Soil Fertility by Plant Roots. 69(4). 378–384. 45 indexed citations

20.

Clark, R. B., L. O. Tiffin, & J. C. Brown. (1973). Organic Acids and Iron Translocation in Maize Genotypes. PLANT PHYSIOLOGY. 52(2). 147–150. 48 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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