James E. Specht

17.9k total citations · 5 hit papers
123 papers, 9.3k citations indexed

About

James E. Specht is a scholar working on Plant Science, Agronomy and Crop Science and Ecology, Evolution, Behavior and Systematics. According to data from OpenAlex, James E. Specht has authored 123 papers receiving a total of 9.3k indexed citations (citations by other indexed papers that have themselves been cited), including 116 papers in Plant Science, 43 papers in Agronomy and Crop Science and 11 papers in Ecology, Evolution, Behavior and Systematics. Recurrent topics in James E. Specht's work include Soybean genetics and cultivation (100 papers), Legume Nitrogen Fixing Symbiosis (63 papers) and Agronomic Practices and Intercropping Systems (29 papers). James E. Specht is often cited by papers focused on Soybean genetics and cultivation (100 papers), Legume Nitrogen Fixing Symbiosis (63 papers) and Agronomic Practices and Intercropping Systems (29 papers). James E. Specht collaborates with scholars based in United States, Argentina and Costa Rica. James E. Specht's co-authors include Randy C. Shoemaker, Perry B. Cregan, Qijian Song, David L. Hyten, Kenneth G. Cassman, Achim Dobermann, A. Weiss, Karl G. Lark, Randall L. Nelson and José Costa and has published in prestigious journals such as Proceedings of the National Academy of Sciences, PLoS ONE and The Plant Cell.

In The Last Decade

James E. Specht

120 papers receiving 8.9k citations

Hit Papers

align trajectories sort by overperformance

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.

Nitrogen uptake, fixation and response to fertilizer N in soybeans: A review

2008 781 citations James E. Specht et al. profile →
A new integrated genetic linkage map of the soybean

2004 755 citations Qijian Song, Karl G. Lark et al. Theoretical and Applied Genetics profile →
Impacts of genetic bottlenecks on soybean genome diversity

2006 554 citations David L. Hyten, Qijian Song et al. profile →
RNA-Seq Atlas of Glycine max: A guide to the soybean transcriptome

2010 541 citations Brian W. Diers, James E. Specht et al. profile →
A genome-wide association study of seed protein and oil content in soybean

2014 481 citations Eun Young Hwang, Qijian Song et al. BMC Genomics profile →

Author Peers

Peers are selected by citation overlap in the author's most active subfields. citations · hero ref

Author						Papers	Cites
James E. Specht	8.4k	1.6k	1.1k	1.0k	713	123	9.3k
Mark E. Westgate	4.2k 0.5×	2.3k 1.4×	690 0.6×	522 0.5×	667 0.9×	79	5.2k
Matthew W. Blair	11.1k 1.3×	1.7k 1.1×	1.2k 1.1×	1.5k 1.4×	349 0.5×	225	12.4k
Hari D. Upadhyaya	11.0k 1.3×	1.6k 1.0×	1.4k 1.3×	2.3k 2.3×	313 0.4×	371	12.4k
P. Stamp	5.2k 0.6×	2.1k 1.3×	1.1k 1.0×	1.2k 1.1×	869 1.2×	221	6.1k
Randall L. Nelson	7.7k 0.9×	675 0.4×	1.3k 1.2×	914 0.9×	213 0.3×	164	8.6k
Abdelbagi M. Ismail	12.0k 1.4×	470 0.3×	1.6k 1.5×	1.9k 1.9×	769 1.1×	174	12.8k
S. V. Krishna Jagadish	7.7k 0.9×	1.4k 0.9×	1.5k 1.4×	1.5k 1.5×	503 0.7×	185	9.0k
E. Charles Brummer	4.0k 0.5×	2.7k 1.7×	698 0.6×	1.4k 1.4×	282 0.4×	165	6.3k
Tzion Fahima	10.2k 1.2×	1.6k 1.0×	2.2k 2.0×	3.4k 3.4×	550 0.8×	160	11.4k
A. Blum	7.9k 0.9×	2.6k 1.7×	898 0.8×	890 0.9×	942 1.3×	105	9.1k

Countries citing papers authored by James E. Specht

Since Specialization

Citations

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

Fields of papers citing papers by James E. Specht

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by James E. Specht. 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 James E. Specht. The network helps show where James E. Specht may publish in the future.

Co-authorship network of co-authors of James E. Specht

This figure shows the co-authorship network connecting the top 25 collaborators of James E. Specht. A scholar is included among the top collaborators of James E. Specht 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 James E. Specht. James E. Specht 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

Specht, James E., Réka Howard, Walter D. Carciochi, et al.. (2025). Soybean seed yield distribution within the canopy as affected by nitrogen supply. Crop Science. 65(2). 1 indexed citations

Montes, Christopher M., Carolyn M. Fox, Álvaro Sanz‐Sáez, et al.. (2022). High-throughput characterization, correlation, and mapping of leaf photosynthetic and functional traits in the soybean (Glycine max) nested association mapping population. Genetics. 221(2). 13 indexed citations

Menza, Nicolás Cafaro La, Timothy J. Arkebauer, John L. Lindquist, et al.. (2022). Decoupling between leaf nitrogen and radiation-use efficiency in vegetative and early reproductive stages in high-yielding soybean. Journal of Experimental Botany. 74(1). 352–363. 7 indexed citations

Ward, Russell A., Hanh Nguyen, Truyen Quach, et al.. (2022). Fine mapping and cloning of the major seed protein quantitative trait loci on soybean chromosome 20. The Plant Journal. 110(1). 114–128. 49 indexed citations

Chen, Linfeng, Shouping Yang, Charles Quigley, et al.. (2022). Genotype imputation for soybean nested association mapping population to improve precision of QTL detection. Theoretical and Applied Genetics. 135(5). 1797–1810. 6 indexed citations

Menza, Nicolás Cafaro La, Juan Pablo Monzón, John L. Lindquist, et al.. (2020). Insufficient nitrogen supply from symbiotic fixation reduces seasonal crop growth and nitrogen mobilization to seed in highly productive soybean crops. Plant Cell & Environment. 43(8). 1958–1972. 52 indexed citations

Edreira, Juan I. Rattalino, Spyridon Mourtzinis, George Azzari, et al.. (2019). From sunlight to seed: Assessing limits to solar radiation capture and conversion in agro-ecosystems. Agricultural and Forest Meteorology. 280. 107775–107775. 16 indexed citations

Mourtzinis, Spyridon, James E. Specht, & Shawn P. Conley. (2019). Defining Optimal Soybean Sowing Dates across the US. Scientific Reports. 9(1). 2800–2800. 63 indexed citations

Jarquín, Diego, James E. Specht, & Aaron J. Lorenz. (2016). Prospects of Genomic Prediction in the USDA Soybean Germplasm Collection: Historical Data Creates Robust Models for Enhancing Selection of Accessions. G3 Genes Genomes Genetics. 6(8). 2329–2341. 66 indexed citations

10.

Prince, Silvas, Theresa A. Musket, Rupesh Deshmukh, et al.. (2015). Identification of Novel QTL Governing Root Architectural Traits in an Interspecific Soybean Population. PLoS ONE. 10(3). e0120490–e0120490. 58 indexed citations

11.

Mourtzinis, Spyridon, James E. Specht, Laura E. Lindsey, et al.. (2015). Climate-induced reduction in US-wide soybean yields underpinned by region- and in-season-specific responses. Nature Plants. 1(2). 14026–14026. 77 indexed citations

12.

Hwang, Eun Young, Qijian Song, Gaofeng Jia, et al.. (2014). A genome-wide association study of seed protein and oil content in soybean. BMC Genomics. 15(1). 1–1. 481 indexed citations breakdown →

13.

Bihmidine, Saadia, Jiusheng Lin, Julie M. Stone, et al.. (2012). Activity of the Arabidopsis RD29A and RD29B promoter elements in soybean under water stress. Planta. 237(1). 55–64. 59 indexed citations

14.

Orf, J. H., Kevin Chase, James E. Specht, et al.. (2006). Abnormal leaf formation in soybean: genetic and environmental effects. Theoretical and Applied Genetics. 113(1). 137–146. 2 indexed citations

15.

Specht, James E., et al.. (1997). Use of Leaf Size for Indirect Selection of Seed Size in Soybean. The Korean Journal of Crop Science. 42(6). 810–813. 1 indexed citations

16.

Specht, James E.. (1997). Consistency of QTLs for Soybean Seed Size across Generations. JoLS Journal of Life Sciences. 7(4). 358–360. 1 indexed citations

17.

Torrence, Robin, et al.. (1992). From Pleistocene to present: obsidian sources in West New Britain Province, Papua New Guinea. Records of the Australian Museum. 42. 9 indexed citations

18.

Lee, David J., et al.. (1992). Chloroplast DNA evidence for non-random selection of females in an outcrossed population of soybeans [Glycine max (L.)]. Theoretical and Applied Genetics. 85-85(2-3). 261–268. 8 indexed citations

19.

Specht, James E., et al.. (1986). Differential Responses of Soybean Genotypes Subjected to a Seasonal Soil Water Gradient¹. Crop Science. 26(5). 922–934. 51 indexed citations

20.

Specht, James E. & Joseph H. Williams. (1978). Research notes: Hilum color as a genetic marker in soybean crosses. Iowa State University Digital Repository (Iowa State University). 5(1). 24. 1 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.

Explore authors with similar magnitude of impact