Upendra Singh

14.6k total citations · 3 hit papers
146 papers, 8.5k citations indexed

About

Upendra Singh is a scholar working on Plant Science, Soil Science and Ecology, Evolution, Behavior and Systematics. According to data from OpenAlex, Upendra Singh has authored 146 papers receiving a total of 8.5k indexed citations (citations by other indexed papers that have themselves been cited), including 82 papers in Plant Science, 42 papers in Soil Science and 33 papers in Ecology, Evolution, Behavior and Systematics. Recurrent topics in Upendra Singh's work include Rice Cultivation and Yield Improvement (43 papers), Soil Carbon and Nitrogen Dynamics (32 papers) and Crop Yield and Soil Fertility (23 papers). Upendra Singh is often cited by papers focused on Rice Cultivation and Yield Improvement (43 papers), Soil Carbon and Nitrogen Dynamics (32 papers) and Crop Yield and Soil Fertility (23 papers). Upendra Singh collaborates with scholars based in United States, India and Philippines. Upendra Singh's co-authors include Gerrit Hoogenboom, Cheryl Porter, Kenneth J. Boote, Paul W. Wilkens, Arjan J. Gijsman, William D. Batchelor, J. T. Ritchie, L. A. Hunt, J. W. Jones and Christian O. Dimkpa and has published in prestigious journals such as The Science of The Total Environment, Journal of Agricultural and Food Chemistry and Scientific Reports.

In The Last Decade

Upendra Singh

138 papers receiving 8.0k 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.

The DSSAT cropping system model

2002 3.2k citations Gerrit Hoogenboom, Cheryl Porter et al. European Journal of Agronomy profile →
Development of fertilizers for enhanced nitrogen use efficiency – Trends and perspectives

2020 292 citations Christian O. Dimkpa, Job Fugice et al. The Science of The Total Environment profile →
Zinc oxide nanoparticles alleviate drought-induced alterations in sorghum performance, nutrient acquisition, and grain fortification

2019 230 citations Christian O. Dimkpa, Upendra Singh et al. The Science of The Total Environment profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Upendra Singh United States	40	5.1k	2.8k	2.8k	2.0k	1.2k	146	8.5k
Himanshu Pathak India	61	5.8k 1.1×	5.2k 1.8×	1.8k 0.6×	1.9k 1.0×	1.2k 1.0×	260	11.7k
Jianliang Huang China	57	10.1k 2.0×	2.2k 0.8×	2.4k 0.8×	1.9k 1.0×	1.2k 1.0×	190	12.3k
William D. Batchelor United States	37	4.6k 0.9×	2.0k 0.7×	2.8k 1.0×	1.8k 0.9×	1.5k 1.2×	163	8.2k
Hai‐Lin Zhang China	45	1.6k 0.3×	3.3k 1.2×	822 0.3×	1.1k 0.6×	664 0.6×	195	6.1k
Xinping Chen China	53	5.2k 1.0×	3.7k 1.3×	563 0.2×	1.6k 0.8×	688 0.6×	257	10.1k
P.S. Bindraban Netherlands	35	3.4k 0.7×	1.6k 0.6×	560 0.2×	815 0.4×	493 0.4×	141	6.7k
Joann K. Whalen Canada	49	2.4k 0.5×	5.2k 1.8×	1.2k 0.4×	1.0k 0.5×	491 0.4×	314	9.5k
Shiwei Guo China	57	7.4k 1.5×	3.4k 1.2×	746 0.3×	1.0k 0.5×	663 0.6×	220	10.9k
Daniel T. Walters United States	36	3.9k 0.8×	3.7k 1.3×	797 0.3×	3.0k 1.5×	1.0k 0.9×	79	8.2k
Neal W. Menzies Australia	51	3.9k 0.8×	2.7k 0.9×	472 0.2×	583 0.3×	448 0.4×	280	9.7k

Countries citing papers authored by Upendra Singh

Since Specialization

Citations

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

Fields of papers citing papers by Upendra Singh

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Upendra Singh. 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 Upendra Singh. The network helps show where Upendra Singh may publish in the future.

Co-authorship network of co-authors of Upendra Singh

This figure shows the co-authorship network connecting the top 25 collaborators of Upendra Singh. A scholar is included among the top collaborators of Upendra Singh 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 Upendra Singh. Upendra Singh 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

Clark, Christopher M., et al.. (2026). Environmental sustainability of future fertilizers: tradeoffs between ammonia volatilization and nitrate leaching for 11 enhanced efficiency fertilizers. Journal of Plant Nutrition. 49(6). 1000–1018.

Singh, Upendra, et al.. (2026). Polypropylene Fibre (Pp) Reinforced Shotcrete for Sealing and Supporting Coal Mine Galleries Against Air Leakage: A Laboratory Study. OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information). 415–422.

Nagarajan, Latha, Upendra Singh, Yam Kanta Gaihre, et al.. (2025). Global-scale meta-analysis reveals enhanced cereal yields through sulfur and zinc fertilization. Nutrient Cycling in Agroecosystems. 131(3). 593–612. 1 indexed citations

Islam, S. M. Mofijul, Yam Kanta Gaihre, Mohammad Nazrul Islam, et al.. (2025). Reducing greenhouse gas emissions and improving rice yield: The influence of cultivars, soil salinity, and nitrogen management. The Science of The Total Environment. 997. 180192–180192. 1 indexed citations

Singh, Upendra, et al.. (2024). Effect of Different Maize (Zea mays)/Cowpea (Vigna unguiculata) Intercropping Patterns and N Supply on Light Interception, Physiology and Productivity of Cowpea. Agricultural Research. 13(2). 204–215. 5 indexed citations

Das, Kanad, Aniket Ghosh, Sudeshna Datta, et al.. (2024). Concordance of multigene genealogy along with morphological evidence unveils five novel species and two new records of boletoid mushrooms (fungi) from India. Scientific Reports. 14(1). 9298–9298. 2 indexed citations

Parihar, C.M., Hari Sankar Nayak, D.R. Sena, et al.. (2024). Modeling maize growth and nitrogen dynamics using CERES-Maize (DSSAT) under diverse nitrogen management options in a conservation agriculture-based maize-wheat system. Scientific Reports. 14(1). 11743–11743. 12 indexed citations

Das, Kanad, Sudeshna Datta, Upendra Singh, Aniket Ghosh, & Dyutiparna Chakraborty. (2023). Multigene molecular phylogeny and morphological evidences reveal one new species and three new records of boletoid fungi from India. Nelumbo. 1–18. 1 indexed citations

Snapp, Sieglinde S., Tek B. Sapkota, Jordan Chamberlin, et al.. (2023). Spatially differentiated nitrogen supply is key in a global food–fertilizer price crisis. Nature Sustainability. 6(10). 1268–1278. 44 indexed citations

10.

Agyin‐Birikorang, Sampson, et al.. (2022). Optimizing sulfur fertilizer application rate for profitable maize production in the savanna agroecological zones of Northern Ghana. Journal of Plant Nutrition. 45(15). 2315–2331. 5 indexed citations

11.

Dimkpa, Christian O., Joshua Andrews, Job Fugice, et al.. (2020). Facile Coating of Urea With Low-Dose ZnO Nanoparticles Promotes Wheat Performance and Enhances Zn Uptake Under Drought Stress. Frontiers in Plant Science. 11. 168–168. 127 indexed citations

12.

Agyin‐Birikorang, Sampson, et al.. (2019). Agronomic effectiveness of urea deep placement technology for upland maize production. Nutrient Cycling in Agroecosystems. 116(2). 179–193. 4 indexed citations

13.

Mahmud, Abdullah Al, et al.. (2019). Movement and Retention of NH4-N in Wetland Rice Soils as Affected by Urea Application Methods. Journal of soil science and plant nutrition. 20(2). 589–597. 22 indexed citations

14.

Iese, Viliamu, et al.. (2016). Evaluation of decision support system for agrotechnology transfer SUBSTOR potato model (v4.5) under tropical conditions. 34(1). 1–11. 4 indexed citations

15.

Singh, Upendra, et al.. (2003). Palynological investigation and environmental interpretation on Akli Formation (Late Palaeocene) from Barmer Basin, western Rajasthan, India. Journal of Palaeosciences. 52((1-3)). 87–95. 16 indexed citations

16.

Jones, James W., Gerrit Hoogenboom, Cheryl Porter, et al.. (2003). DSSAT cropping system model. European Journal of Agronomy. 191 indexed citations

17.

Ladha, J. K., et al.. (2000). Long‐Term Effects of Urea and Green Manure on Rice Yields and Nitrogen Balance. Soil Science Society of America Journal. 64(6). 1993–2001. 60 indexed citations

18.

Morrison, R. J., et al.. (2000). Magnesium budget for a taro cropping system.. Communications in Soil Science and Plant Analysis. 31. 2273–2282. 3 indexed citations

19.

Bronson, K. F., et al.. (1997). Automated Chamber Measurements of Methane and Nitrous Oxide Flux in a Flooded Rice Soil: II. Fallow Period Emissions. Soil Science Society of America Journal. 61(3). 988–993. 63 indexed citations

20.

Sharpley, Andrew N., Upendra Singh, G. Uehara, & J. M. Kimble. (1989). Modeling Soil and Plant Phosphorus Dynamics in Calcareous and Highly Weathered Soils. Soil Science Society of America Journal. 53(1). 153–158. 62 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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