John N. Ng’ombe

1.3k total citations · 1 hit paper
74 papers, 911 citations indexed

About

John N. Ng’ombe is a scholar working on Economics and Econometrics, General Agricultural and Biological Sciences and Soil Science. According to data from OpenAlex, John N. Ng’ombe has authored 74 papers receiving a total of 911 indexed citations (citations by other indexed papers that have themselves been cited), including 34 papers in Economics and Econometrics, 32 papers in General Agricultural and Biological Sciences and 22 papers in Soil Science. Recurrent topics in John N. Ng’ombe's work include Agricultural Innovations and Practices (31 papers), Agricultural risk and resilience (20 papers) and Microfinance and Financial Inclusion (15 papers). John N. Ng’ombe is often cited by papers focused on Agricultural Innovations and Practices (31 papers), Agricultural risk and resilience (20 papers) and Microfinance and Financial Inclusion (15 papers). John N. Ng’ombe collaborates with scholars based in United States, Zambia and Australia. John N. Ng’ombe's co-authors include Catherine Keske, Thomson Kalinda, Gelson Tembo, Omphile Temoso, Kelvin Mulungu, Elias Kuntashula, Tracy A. Boyer, Charles Machethe, B. Wade Brorsen and Dayton M. Lambert and has published in prestigious journals such as SHILAP Revista de lepidopterología, Scientific Reports and Energy Policy.

In The Last Decade

John N. Ng’ombe

68 papers receiving 879 citations

Hit Papers

A techno-economic analysis of biochar production and the ... 2021 2026 2022 2024 2021 50 100 150
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.

  1. A techno-economic analysis of biochar production and the bioeconomy for orchard biomass
    2021 153 citations Catherine Keske, John N. Ng’ombe et al. profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
John N. Ng’ombe United States 17 405 249 200 107 85 74 911
Gucheng Li China 17 354 0.9× 245 1.0× 222 1.1× 124 1.2× 48 0.6× 41 774
Charles Jumbe Malawi 20 374 0.9× 187 0.8× 658 3.3× 78 0.7× 29 0.3× 45 1.6k
Muhammad Khalid Bashir Pakistan 18 137 0.3× 184 0.7× 246 1.2× 75 0.7× 30 0.4× 75 1.0k
Alemu Mekonnen Ethiopia 21 367 0.9× 336 1.3× 391 2.0× 241 2.3× 18 0.2× 86 1.6k
Sarfraz Hassan Pakistan 14 160 0.4× 130 0.5× 131 0.7× 114 1.1× 60 0.7× 49 743
Avinash Kishore India 17 273 0.7× 247 1.0× 152 0.8× 150 1.4× 12 0.1× 79 1.5k
Johnny Mugisha Uganda 16 258 0.6× 85 0.3× 156 0.8× 61 0.6× 15 0.2× 47 1.1k
K M Mehedi Adnan Bangladesh 11 188 0.5× 138 0.6× 126 0.6× 63 0.6× 27 0.3× 24 593
Henry Jordaan South Africa 17 240 0.6× 144 0.6× 206 1.0× 76 0.7× 34 0.4× 54 780
Di Zeng Australia 14 351 0.9× 168 0.7× 198 1.0× 68 0.6× 19 0.2× 42 719

Countries citing papers authored by John N. Ng’ombe

Since Specialization
Citations

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

Fields of papers citing papers by John N. Ng’ombe

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by John N. Ng’ombe. 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 John N. Ng’ombe. The network helps show where John N. Ng’ombe may publish in the future.

Co-authorship network of co-authors of John N. Ng’ombe

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

All Works

20 of 20 papers shown
1.
Ng’ombe, John N., et al.. (2025). Understanding the drivers of smallholder dairy cooperative participation in developing countries: Evidence from rural Zambia. Agricultural Systems. 224. 104261–104261. 1 indexed citations
2.
Asante, Bright Owusu, et al.. (2025). Modeling the impact of input credit access on farm performance and food nutrition: insights from smallholder rice farmers in Ghana. Journal of Agribusiness in Developing and Emerging Economies. 16(3). 542–564.
3.
Ng’ombe, John N., et al.. (2025). What fuels the divide? Rural–urban energy choices in Zambia. Applied Economics Letters. 1–11.
4.
Ng’ombe, John N., et al.. (2025). A Bayesian triple-hurdle model of maize market participation in Zambia. Agrekon. 64(3-4). 248–267.
5.
Ng’ombe, John N., et al.. (2025). Agricultural cooperatives boost food security through input subsidies in rural Zambia. World Development Perspectives. 39. 100710–100710. 1 indexed citations
6.
Ng’ombe, John N., et al.. (2024). Does agroforestry contribute to household food security? A micro-perspective from southern Rwanda. Forest Policy and Economics. 165. 103252–103252. 3 indexed citations
7.
Ng’ombe, John N., et al.. (2024). Assessing the efficacy of agricultural cold chain facility expansion in China. Journal of Stored Products Research. 105. 102244–102244. 5 indexed citations
8.
Ng’ombe, John N., et al.. (2024). Does dairy cooperative membership improve food and nutrition security among rural farmers? A micro‐perspective from Zambia. Annals of Public and Cooperative Economics. 96(1). 121–148. 3 indexed citations
9.
Ng’ombe, John N., et al.. (2024). Are Credit Doors Equally Open? Gender Perspectives on Agricultural Credit Access in Sub‐Saharan Africa. Review of Development Economics. 29(3). 1597–1612. 2 indexed citations
10.
Ng’ombe, John N., et al.. (2024). Nutrition for all? Input subsidies and equitable diets. Review of Development Economics. 29(2). 1024–1057. 4 indexed citations
11.
Temoso, Omphile, et al.. (2023). Productive efficiency of beef cattle production in Botswana: a latent class stochastic meta-frontier analysis. Frontiers in Sustainable Food Systems. 7. 3 indexed citations
12.
13.
Temoso, Omphile, et al.. (2023). Heterogeneous Effects of Agricultural Technology Adoption on Smallholder Household Welfare in Ghana. Journal of Agricultural and Applied Economics. 55(2). 283–303. 12 indexed citations
14.
Ng’ombe, John N., et al.. (2023). Uncovering the factors that affect earthquake insurance uptake using supervised machine learning. Scientific Reports. 13(1). 21314–21314. 4 indexed citations
15.
Ng’ombe, John N., et al.. (2023). Sustaining agricultural economies: regional economic impacts of biochar production from waste orchard biomass in California's Central Valley. Environment Development and Sustainability. 26(12). 30701–30721. 7 indexed citations
16.
Ng’ombe, John N., et al.. (2022). Disaggregated impacts of off-farm work participation on household vulnerability to food poverty in Ghana. The Journal of Economic Inequality. 21(1). 83–104. 14 indexed citations
17.
Ng’ombe, John N., et al.. (2022). Food Poverty, Vulnerability, and Food Consumption Inequality Among Smallholder Households in Ghana: A Gender-Based Perspective. Social Indicators Research. 163(2). 661–689. 28 indexed citations
18.
Temoso, Omphile, et al.. (2021). Participation in farmer organizations and adoption of farming technologies among rice farmers in Ghana. International Journal of Social Economics. 49(4). 529–545. 27 indexed citations
19.
Ng’ombe, John N., et al.. (2021). Does the use of multiple agricultural technologies affect household welfare? Evidence from Northern Ghana. Agrekon. 60(4). 370–387. 21 indexed citations
20.
Ng’ombe, John N., et al.. (2021). The effect of Anambra state value chain development programme partnership with Nigerian Agricultural Insurance Corporation (NAIC) on farmer’s production security and risk management. International Journal of Agriculture Extension and Social Development. 4(2). 51–58. 3 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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