Sami Ullah

1.5k total citations · 1 hit paper
54 papers, 1.2k citations indexed

About

Sami Ullah is a scholar working on Plant Science, Soil Science and Agronomy and Crop Science. According to data from OpenAlex, Sami Ullah has authored 54 papers receiving a total of 1.2k indexed citations (citations by other indexed papers that have themselves been cited), including 31 papers in Plant Science, 21 papers in Soil Science and 15 papers in Agronomy and Crop Science. Recurrent topics in Sami Ullah's work include Soil Carbon and Nitrogen Dynamics (16 papers), Soil and Water Nutrient Dynamics (11 papers) and Plant nutrient uptake and metabolism (10 papers). Sami Ullah is often cited by papers focused on Soil Carbon and Nitrogen Dynamics (16 papers), Soil and Water Nutrient Dynamics (11 papers) and Plant nutrient uptake and metabolism (10 papers). Sami Ullah collaborates with scholars based in China, Pakistan and United States. Sami Ullah's co-authors include Ping He, Wencheng Ding, Xinpeng Xu, Wei Zhou, Jia-Jia Zhang, Wei Zhou, Zhenling Cui, Chao Ai, İmran Khan and Faisal Mahmood and has published in prestigious journals such as PLoS ONE, Journal of Cleaner Production and Scientific Reports.

In The Last Decade

Sami Ullah

49 papers receiving 1.1k 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.

Effects of organic and inorganic manures on maize and their residual impact on soil physico-chemical properties

2017 194 citations Faisal Mahmood, İmran Khan et al. Journal of soil science and plant nutrition profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Sami Ullah China	20	630	607	270	161	128	54	1.2k
Kailou Liu China	19	423 0.7×	654 1.1×	166 0.6×	169 1.0×	196 1.5×	64	1.1k
Heinz‐Josef Koch Germany	23	658 1.0×	788 1.3×	364 1.3×	156 1.0×	193 1.5×	86	1.5k
Xiaohua Pan China	22	833 1.3×	532 0.9×	219 0.8×	147 0.9×	126 1.0×	105	1.5k
Guopeng Zhou China	22	506 0.8×	625 1.0×	309 1.1×	113 0.7×	136 1.1×	46	1.2k
Dianjun Lu China	18	899 1.4×	768 1.3×	427 1.6×	159 1.0×	198 1.5×	47	1.5k
Xiaoxi Li China	17	408 0.6×	438 0.7×	244 0.9×	164 1.0×	129 1.0×	39	966
Ligeng Jiang China	20	726 1.2×	570 0.9×	268 1.0×	76 0.5×	87 0.7×	38	1.1k
Juan Francisco Herencia Spain	13	544 0.9×	607 1.0×	189 0.7×	113 0.7×	97 0.8×	23	1.0k
Madhumonti Saha India	12	447 0.7×	657 1.1×	195 0.7×	112 0.7×	111 0.9×	29	1.1k

Countries citing papers authored by Sami Ullah

Since Specialization

Citations

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

Fields of papers citing papers by Sami Ullah

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Sami Ullah

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

Ullah, Sami, Babar Hussain, Nadeem Iqbal, et al.. (2025). Microbial ecosystem disruption under persistent organic pollutant stress: Consequences for soil biogeochemistry and environmental sustainability – A review. Environmental Chemistry and Ecotoxicology. 7. 2643–2659.

Sheraz, Muhammad, Sumaiya Khan, Saima Majeed, et al.. (2024). Burden of neurodevelopmental disorder in Lakki Marwat population of Khyber Pakhtunkhwa, Pakistan. Journal of Health Population and Nutrition. 43(1). 216–216.

Ullah, Shakir, Sami Ullah, Muhammad Shakeel, et al.. (2024). Innovative biopolymers composite based thin film for wound healing applications. Scientific Reports. 14(1). 11 indexed citations

Mahmood, Tariq, et al.. (2023). European Honey Bee (Apis mellifera L.) Foraging Activities, Impacts and Potential Factors of Decline- A Review. Sarhad Journal of Agriculture. 39(1). 1 indexed citations

Ullah, Sami, et al.. (2023). Responses of soil microbial communities and enzyme activities under nitrogen addition in fluvo-aquic and black soil of North China. Frontiers in Microbiology. 14. 1249471–1249471. 21 indexed citations

Aslam, Zubair, Safdar Bashir, Niaz Ahmed, et al.. (2020). Effect of different levels of molybdenum and rhizobium phaseoli in rice-mung bean cropping system. Pakistan Journal of Botany. 52(6). 3 indexed citations

Ullah, Sami, Ping He, Chao Ai, et al.. (2020). How Do Soil Bacterial Diversity and Community Composition Respond under Recommended and Conventional Nitrogen Fertilization Regimes?. Microorganisms. 8(8). 1193–1193. 13 indexed citations

Zhang, Jiajia, Ping He, Wencheng Ding, et al.. (2020). Identifying the critical nitrogen fertilizer rate for optimum yield and minimum nitrate leaching in a typical field radish cropping system in China. Environmental Pollution. 268(Pt B). 115004–115004. 49 indexed citations

Zhang, Jiajia, Ping He, Wencheng Ding, et al.. (2019). Estimating nutrient uptake requirements for radish in China based on QUEFTS model. Scientific Reports. 9(1). 11663–11663. 25 indexed citations

10.

Anjum, Shakeel Ahmad, Sami Ullah, Muhammad Mohsin Raza, et al.. (2019). Exogenous Supply of Boron at Various Growth Stages Improved Wheat Yield. Pakistan Journal of Agricultural Research. 51(5). 1 indexed citations

11.

Ullah, Sami, Chao Ai, Shao Hui Huang, et al.. (2019). The responses of extracellular enzyme activities and microbial community composition under nitrogen addition in an upland soil. PLoS ONE. 14(9). e0223026–e0223026. 52 indexed citations

12.

Ullah, Sami, et al.. (2017). Nutritive Value, Fiber Digestibility and Methane Production Potential of TROPICAL FORAGES IN RABBITS: EFFECT OF SPECIES AND HARVEST MATURITY. The Journal of Animal and Plant Sciences. 27(4). 1094–1100. 3 indexed citations

13.

He, Ping, Xinpeng Xu, Liangliang Jia, et al.. (2017). Nutrient Expert Improves Nitrogen Efficiency and Environmental Benefits for Summer Maize in China. Agronomy Journal. 109(3). 1082–1090. 25 indexed citations

14.

Mahmood, Faisal, İmran Khan, Umair Ashraf, et al.. (2017). Effects of organic and inorganic manures on maize and their residual impact on soil physico-chemical properties. Journal of soil science and plant nutrition. 0–0. 194 indexed citations breakdown →

15.

Raza, Muhammad Mohsin, et al.. (2016). Silicon Mediated Arsenic Reduction in Rice by Limiting Its Uptake. Agricultural Sciences. 7(1). 1–10. 10 indexed citations

16.

Bilal, Muhammad, et al.. (2015). Effect of watering frequency on feed intake, milk production and composition in Sahiwal cattle during summer.. The Journal of Animal and Plant Sciences. 25(1). 19–22. 7 indexed citations

17.

Farooq, Muhammad, et al.. (2014). Influence of zinc application through seed treatment and foliar spray on growth, productivity and grain quality of hybrid maize. The Journal of Animal and Plant Sciences. 24(5). 1494–1503. 27 indexed citations

18.

Ibrahim, Muhammad, et al.. (2011). Tillage and farm manure affect root growth and nutrient uptake of wheat and rice under semi-arid conditions. Applied Geochemistry. 26. S194–S197. 32 indexed citations

19.

Ahmad, Kafeel, Zafar Iqbal Khan, Abrar Hussain, et al.. (2010). EVALUATION OF DYNAMICS OF IRON AND MANGANESE FROM PASTURE TO BUFFALOES: A CASE STUDY AT RURAL LIVESTOCK FARMS. Pakistan Journal of Botany. 42(5). 3415–3421. 5 indexed citations

20.

Shah, Zahoor A., Kafeel Ahmad, Zafar Iqbal Khan, et al.. (2010). Sodium, potassium and magnesium dynamics in soil-plant- animal continuum. Pakistan Journal of Botany. 42(4). 2411–2421. 7 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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