Camillus Abawiera Wongnaa
Department of Agricultural Economics, Agribusiness and ExtensionLife SciencesPhysical SciencesHealth SciencesSocial Sciences

Camillus Abawiera Wongnaa

93 Publications37 Research Themes62 Open Access
Research Overview & Focus

The researcher has conducted extensive research in several key areas: cocoa production, life sciences research, financial literacy education, disaster impact studies (including COVID-19), and advanced agricultural innovations.

Faculty Biography

Camillus Abawiera Wongnaa holds a PhD. Agricultural Economics degree from the Kwame Nkrumah University of Science and  Technology (KNUST), Kumasi, Ghana, an MPhil. Agricultural Economics degree from the University of Ghana, Legon, a BSc. Agriculture (Agricultural Economics option) degree from the KNUST and  a Diploma in Education from the University of Education, Winneba, Ghana. Camillus is a member of Ghana Association of Agricultural Economists (GAAE), African Association of Agricultural Economists (AAAE), International Association of Agricultural Economists (IAAE), Agricultural and Applied Economics Association (AAEA) and a Fellow of Africa Research and Impact Network (ARIN).  With over twenty (20) years of teaching experience in Ghana, Camillus has taught at the Primary, Junior High, Senior High and Tertiary school levels. He is currently a Senior Lecturer and an Agricultural Economist in the Department of Agricultural Economics, Agribusiness and Extension of KNUST. Before his appointment at KNUST in August, 2016, he had worked for five (5) years as a Lecturer and later a Senior Lecturer and a Head of Department of Agropreneurship of Kumasi Technical University, a department he established in 2011. He also worked as a part-time Lecturer and later a Senior Lecturer at the Methodist University College, Ghana. As an Agricultural Economist, Camillus has consulted for Concern Universal (Ghana) in collaboration with Alliance for Green Revolution in Africa (AGRA); Ghana Poultry Project (GPP) in collaboration with United States Department of Agriculture (USDA), ACDI/VOCA and TechnoServe; Paticipatory Development Associates (PDA); African Development Bank (AfDB), CINOP commissioned by EP-NUFFIC-Hertogenbosch the Netherlands, Winrock International for Agricultural Development as well as Optimal Change Partnership (an NGO) in collaboration with Guittard Chocolate Company in California, USA. Dr. Wongnaa is an Editorial Board Member of African Journal of Agricultural and Resource Economics (AfJARE), a prestigious journal of African Association of Agricultural Economists (AAAE). With his research focus in agricultural economics and agribusiness, he has authored several refereed journal articles which are indexed in Google Scholar, scopus and other credible refereed journal databases.

Key Research Themes (37)
Life Sciences

Agricultural Innovations and Practices

Life Sciences

Agricultural risk and resilience

Life Sciences

Agriculture and Rural Development Research

Life Sciences

Agronomic Practices and Intercropping Systems

Physical Sciences

Biofuel production and bioconversion

Life Sciences

Cassava research and cyanide

Health Sciences

Child Nutrition and Water Access

Life Sciences

Climate change impacts on agriculture

Life Sciences

Cocoa and Sweet Potato Agronomy

Physical Sciences

Conservation, Biodiversity, and Resource Management

Social Sciences

Corporate Finance and Governance

Physical Sciences

COVID-19 epidemiological studies

Social Sciences

COVID-19 Pandemic Impacts

Social Sciences

Economic and Environmental Valuation

Physical Sciences

Economic Growth and Development

Social Sciences

Efficiency Analysis Using DEA

Social Sciences

Entrepreneurship Studies and Influences

Life Sciences

Food Safety and Hygiene

Health Sciences

Food Security and Health in Diverse Populations

Life Sciences

Food Waste Reduction and Sustainability

Social Sciences

Global trade and economics

Social Sciences

Global trade, sustainability, and social impact

Social Sciences

Hermeneutics and Narrative Identity

Social Sciences

Higher Education Learning Practices

Social Sciences

Income, Poverty, and Inequality

Social Sciences

Innovation and Socioeconomic Development

Life Sciences

Insect behavior and control techniques

Life Sciences

Livestock and Poultry Management

Social Sciences

Microfinance and Financial Inclusion

Physical Sciences

Mining and Resource Management

Physical Sciences

Mining Techniques and Economics

Life Sciences

Moringa oleifera research and applications

Social Sciences

Night-time city culture

Life Sciences

Organic Food and Agriculture

Life Sciences

Rabbits: Nutrition, Reproduction, Health

Physical Sciences

Rangeland Management and Livestock Ecology

Social Sciences

Working Capital and Financial Performance

Publications (93)

Assessment of Food Safety Knowledge, Attitudes, and Practices (KAPs) among Butchers and Fresh Meat Retailers in Ghana

Financial and economic viability of cassava peeling technology and constraints to adoption in Ghana

Perceived risk factors and their influence on compliance with meat safety guidelines among butchers and fresh meat retailers in Ghana

Open Access
2025Food Safety and HygieneDOI: 10.1016/j.dialog.2025.100250

Community driven climate change adaptation strategies in Ephemeral wetlands of northeastern Bangladesh

Open Access
2025Climate change impacts on agricultureDOI: 10.1007/s44274-025-00357-w

Unlocking the potential of contract farming: a dynamic exploration of mutual benefits for agribusiness enterprises and farmers in Ghana

2025Agricultural Innovations and PracticesDOI: 10.1108/jec-04-2024-0061

Factors influencing the shift from cocoa to rubber production in Wasa Amenfi Central District in the Western region of Ghana

Open Access
2025Cocoa and Sweet Potato AgronomyDOI: 10.1016/j.forpol.2025.103568

Modelling the Record Keeping Behaviour of Cocoa Farmers in Ghana

2025Agriculture and Rural Development ResearchDOI: 10.1177/02666669251326954

Modeling the impact of input credit access on farm performance and food nutrition: insights from smallholder rice farmers in Ghana

2025Microfinance and Financial InclusionDOI: 10.1108/jadee-03-2024-0105

Impact of credit constraints on adoption of biofortified food crop among farming households in Nigeria

Open Access
2024Microfinance and Financial InclusionDOI: 10.1016/j.sftr.2024.100421

Unlocking sustainable partnerships: exploring the willingness of oil palm producers to engage in contract farming initiatives

2024Agricultural Innovations and PracticesDOI: 10.1108/ijse-03-2024-0284

The impact of use of climate information services on smallholder welfare: Evidence from the hub of cashew production in Ghana

Open Access
2024Agricultural risk and resilienceDOI: 10.1016/j.cliser.2024.100525

Unlocking the potential of biofortified crops: economic determinants of orange flesh sweet potato adoption among smallholder farmers in Ghana

Open Access
2024Agricultural Innovations and PracticesDOI: 10.1080/23311932.2024.2415390

Determinants of maize farmers willingness to pay for private extension services in Ejisu municipality, Ghana

Open Access
2024Agricultural Innovations and PracticesDOI: 10.1016/j.heliyon.2024.e37464

Author response for "Unlocking sustainable partnerships: exploring the willingness of oil palm producers to engage in contract farming initiatives"

2024Global trade, sustainability, and social impactDOI: 10.1108/ijse-03-2024-0284/v2/response1

Impacts of credit constraints on adoption of risk management strategies and income of maize farmers in Northern Nigeria

2024Agricultural risk and resilienceDOI: 10.1108/afr-11-2023-0152

A systematic review of climate change impacts, adaptation strategies, and policy development in West Africa

Open Access
2024Climate change impacts on agricultureDOI: 10.1016/j.regsus.2024.100137

Fresh or dry maize or both: Which is most economical and preferred by farmers?

Open Access
2024Food Security and Health in Diverse PopulationsDOI: 10.1016/j.jafr.2024.101158

Structure of imported chicken market and willingness of distributors to accept domestically produced and processed chicken: evidence from Ghana

Open Access
2024Livestock and Poultry ManagementDOI: 10.1080/23311932.2023.2296121

Assessment of impacts of adoption of improved sweetpotato varieties in Ghana: accounting for differences in male and female farmers

2024Agricultural Innovations and PracticesDOI: 10.1080/09718524.2023.2289499

Towards sustainable food crop production: Drivers of shift from crop production to mining activities in Ghana's Arable Lands

Open Access
2024Mining and Resource ManagementDOI: 10.1016/j.envc.2024.100835

Why cassava processors will patronize mechanized cassava peeling machine service

Open Access
2023Cassava research and cyanideDOI: 10.36253/rea-14436

Consumption patterns of organic vegetable consumers in Ghana

Open Access
2023Organic Food and AgricultureDOI: 10.1016/j.clrc.2023.100159

Does participation in mining activities affect the profitability of food crops production? Evidence from Ghana

2023Mining and Resource ManagementDOI: 10.1007/s13563-023-00411-0

Farmers' coping strategies to artisanal small-scale mining activities: welfare improvement or deterioration in Asutifi North District of Ghana?

Open Access
2023Mining and Resource ManagementDOI: 10.1108/jed-02-2023-0029

Impact of children’s appropriate work participation in cocoa farms on household welfare: Evidence from Ghana

Open Access
2023Microfinance and Financial InclusionDOI: 10.1016/j.jafr.2023.100901

Profitability, market outlets and constraints to Ghana's pig production

Open Access
2023Agricultural Innovations and PracticesDOI: 10.1016/j.clcb.2023.100068

Foreign direct investment in food manufacturing and stages of human development

Open Access
2023Global trade and economicsDOI: 10.1080/23322039.2023.2267738

A gender differential analysis of determinants of pesticide application in cocoa system farming of Ghana

Open Access
2023Cocoa and Sweet Potato AgronomyDOI: 10.1080/23311886.2023.2256512

Input credit scheme, farm productivity and food security nexus among smallholder rice farmers: evidence from North East Ghana

2023Microfinance and Financial InclusionDOI: 10.1108/afr-03-2023-0039

Is it profitable and viable to invest in commercialization of rabbit production? Implication on rural enterprise development

Open Access
2023Rabbits: Nutrition, Reproduction, HealthDOI: 10.1016/j.stae.2023.100048

Technology adoption behaviors of farmers during crises: What are the key factors to consider?

Open Access
2023COVID-19 Pandemic ImpactsDOI: 10.1016/j.jafr.2023.100694

The impact of artisanal gold mining on the sustainability of Ghana's river basins: The case of the Pra basin

Open Access
2023Mining and Resource ManagementDOI: 10.1016/j.indic.2023.100264

Welfare impacts of commercialization of rabbit production in Ghana

Open Access
2023Rabbits: Nutrition, Reproduction, HealthDOI: 10.1016/j.clcb.2023.100049

Organization and performance of chicken egg marketing in Northern Ghana

Open Access
2023Livestock and Poultry ManagementDOI: 10.1016/j.jafr.2023.100633

Profitability and choice of commercially prepared feed and farmers’ own prepared feed among poultry producers in Ghana

Open Access
2023Livestock and Poultry ManagementDOI: 10.1016/j.jafr.2023.100611

Responding to harvest failure: Understanding farmers coping strategies in the semi-arid Northern Ghana

Open Access
2023Agricultural risk and resilienceDOI: 10.1371/journal.pone.0284328

Does the level of development distinguish the impacts of foreign direct investment on the stages of human development?

Open Access
2023Economic Growth and DevelopmentDOI: 10.1016/j.sftr.2023.100111

Valuing postharvest losses among tomato smallholder farmers: evidence from Ghana

Open Access
2023Food Waste Reduction and SustainabilityDOI: 10.1080/23311932.2023.2187183

Key drivers of adoption intensity of selected improved rice technologies in rural Ghana

Open Access
2023Agricultural Innovations and PracticesDOI: 10.1016/j.sciaf.2023.e01544

Effects of entrepreneurial behaviour on market outlets choice: Evidence from rice producers in Ashanti Region, Ghana

Open Access
2023Innovation and Socioeconomic DevelopmentDOI: 10.1016/j.stae.2023.100037

Impact of Children’S Participation in Cocoa Farms on Household Welfare: Evidence From Ghana

Open Access
2023Agriculture and Rural Development ResearchDOI: 10.2139/ssrn.4474740

The impact of women groundnut farmers’ participation in Village Savings and Loans Association (VSLA) in Northern Ghana

Open Access
2022Microfinance and Financial InclusionDOI: 10.1016/j.jafr.2022.100481

People’s Perception towards COVID-19 Delta Variant in Bangladesh

Open Access
2022COVID-19 epidemiological studiesDOI: 10.9734/ajrid/2022/v11i4229

Women’s role of caregiving for under-five children: Implications for dietary diversity and food security in Ghana

Open Access
2022Child Nutrition and Water AccessDOI: 10.1080/23311932.2022.2153415

Farmer Business School participation and its impact on cocoa productivity and food security in Ghana

2022Agricultural Innovations and PracticesDOI: 10.1108/jadee-05-2022-0102

Awareness and adoption of drought tolerant Maize in Guinea Savanna and Forest-Savanna Transition zone in Ghana

Open Access
2022Agricultural Innovations and PracticesDOI: 10.1080/23311932.2022.2147476

Awareness and participation in input credit scheme: evidence from smallholder rice farmers in Ghana’s North East region

2022Microfinance and Financial InclusionDOI: 10.1108/jec-07-2022-0105

Empirical examination of financial and economic viability of <i>Moringa oleifera</i> production in the Bono East Region, Ghana

2022Moringa oleifera research and applicationsDOI: 10.1080/14728028.2022.2141349

Structure, Conduct and Performance of Onion Market in Southern Ghana

Open Access
2022Working Capital and Financial PerformanceDOI: 10.20961/carakatani.v37i1.51899

The impact of uptake of selected agricultural technologies on rice farmers’ income distribution in Ghana

Open Access
2022Income, Poverty, and InequalityDOI: 10.1186/s40066-021-00339-0

Effect of hybrid cocoa seedlings adoption on profit efficiency in Ghana

Open Access
2022Cocoa and Sweet Potato AgronomyDOI: 10.1016/j.sftr.2022.100074

Assessment of impact of adoption of improved cassava varieties on yields in Ghana: An endogenous switching approach

Open Access
2021Agricultural Innovations and PracticesDOI: 10.1080/23322039.2021.2008587

Towards Financial Sustainability: Beneficiaries’ Perception and Performance of Community Water Supply Services in Ghana

Open Access
2021Child Nutrition and Water AccessDOI: 10.12924/cis2021.09010045

Perception and adoption of artificial pollination technology in cocoa production: Evidence from Ghana

Open Access
2021Cocoa and Sweet Potato AgronomyDOI: 10.1080/20421338.2021.1977089

The impact of adoption of artificial pollination technology in cocoa production: Evidence from Ghana

Open Access
2021Cocoa and Sweet Potato AgronomyDOI: 10.1016/j.jafr.2021.100208

Profitability and technical efficiency of rice farms using traditional and improved milling machines: Evidence from Mali

2021Efficiency Analysis Using DEADOI: 10.1080/20421338.2021.1960539

Adoption and compliance with Council for Scientific and Industrial Research recommended maize production practices in Ashanti region, Ghana

2021Agricultural Innovations and PracticesDOI: 10.1108/wjstsd-03-2021-0035

Erratum to “Participation in UTZ-RA voluntary cocoa certification scheme and its impact on smallholder welfare: Evidence from Ghana” [World Dev. Perspect. 20 (2020) 100244]

2021Global trade, sustainability, and social impactDOI: 10.1016/j.wdp.2021.100327

Economic benefits of livestock management in Ghana

Open Access
2021Rangeland Management and Livestock EcologyDOI: 10.1186/s40100-021-00191-7

Improving Soya Bean Productivity for Poverty Alleviation and Food Security in Upper West Region of Ghana: A Resource Use Efficiency Analysis

Open Access
2021Agronomic Practices and Intercropping SystemsDOI: 10.20961/carakatani.v36i1.44311

Does contract farming improve rice farmers' food security? Empirical evidence from Ghana

2021Agricultural Innovations and PracticesDOI: 10.1108/wjstsd-11-2020-0091

Viability of artisanal timber milling: cases from Ghana

2021Global trade, sustainability, and social impactDOI: 10.1108/jec-08-2020-0153

Adoption impact of maize seed technology on farm profitability: evidence from Ghana

2021Agricultural Innovations and PracticesDOI: 10.1108/jadee-06-2020-0120

The Shift from Crop Production to Mining Activities in Arable Lands: Evidence from Ghana

Open Access
2021Mining Techniques and EconomicsDOI: 10.22004/ag.econ.314946

Service constraints and willingness to pay in community-managed water supply services in Ghana

2020Child Nutrition and Water AccessDOI: 10.1108/wjemsd-06-2020-0059

Are non-market benefits of soybean production significant? An extended economic analysis of smallholder soybean farming in Upper West region of northern Ghana

Open Access
2020Agricultural Innovations and PracticesDOI: 10.1186/s40066-020-00265-7

Food security status of farming households in Bangladesh: A comparison of recipients and non-receivers of institutional support

2020Food Security and Health in Diverse PopulationsDOI: 10.1080/20421338.2020.1804100

Profitability and choice of marketing outlets: evidence from Ghana's tomato production

2020Microfinance and Financial InclusionDOI: 10.1108/jadee-06-2019-0090

Participation in UTZ-RA voluntary cocoa certification scheme and its impact on smallholder welfare: Evidence from Ghana

2020Agricultural Innovations and PracticesDOI: 10.1016/j.wdp.2020.100244

Building resilience to shocks of climate change in Ghana's cocoa production and its effect on productivity and incomes

2020Cocoa and Sweet Potato AgronomyDOI: 10.1016/j.techsoc.2020.101288

Adoption and Impact of Modern Rice Varieties on Poverty in Eastern India

Open Access
2019Agricultural Innovations and PracticesDOI: 10.1016/j.rsci.2019.12.006

Assessment of the sustainability of community-managed water supply services in Ghana

2019Child Nutrition and Water AccessDOI: 10.1007/s10668-019-00506-1

Profit efficiency among maize farmers and implications for poverty alleviation and food security in Ghana

Open Access
2019Efficiency Analysis Using DEADOI: 10.1016/j.sciaf.2019.e00206

Influence of non-price incentives on the choice of cocoa licensed buying companies by farmers in the Western North of Ghana

2019Agricultural Innovations and PracticesDOI: 10.1108/jadee-11-2018-0151

Profitability and constraints to urban exotic vegetable production systems in the Kumasi metropolis of Ghana: a recipe for job creation

Open Access
2019Microfinance and Financial InclusionDOI: 10.1186/s40497-019-0158-2

Job creation and improved consumer health through commercialisation of tiger nut yoghurt: a willingness to pay analysis

Open Access
2019Economic and Environmental ValuationDOI: 10.1186/s40497-018-0139-x

Contribution of Nontimber Forest Products to Rural Household Income in the Kassena-Nankana West District of Ghana

2019Conservation, Biodiversity, and Resource ManagementDOI: 10.13073/fpj-d-18-00049

Financial analysis of small-scale mango chips processing in Ghana

Open Access
2019Insect behavior and control techniquesDOI: 10.1080/23311932.2019.1679701

Perception and adoption of competency-based training by academics in Ghana

Open Access
2018Higher Education Learning PracticesDOI: 10.1186/s40594-018-0148-x

Achieving sustainable development goals on no poverty and zero hunger: Does technical efficiency of Ghana’s maize farmers matter?

Open Access
2018Efficiency Analysis Using DEADOI: 10.1186/s40066-018-0223-z

Profit Efficiency of Ghana's Maize Farmers

Open Access
2018Agriculture and Rural Development ResearchDOI: 10.22004/ag.econ.277009

Factors affecting Adoption of Maize Production Technologies: A study in Ghana

Open Access
2017Agricultural Innovations and PracticesDOI: 10.4038/jas.v13i1.8303

Scale efficiency of maize farmers in four agro ecological zones of Ghana: A parametric approach

Open Access
2017Efficiency Analysis Using DEADOI: 10.1016/j.jssas.2017.08.003

Resource use efficiency among maize farmers in Ghana

Open Access
2016Efficiency Analysis Using DEADOI: 10.1186/s40066-016-0076-2

Economic Efficiency and Productivity of Maize Farmers in Ghana

Open Access
2016Hermeneutics and Narrative IdentityDOI: 10.13140/rg.2.2.19830.80962

Vegetable Handling, Distribution, and Wholesale Profitability in “Abinchi” Night Market, Kumasi-Ghana

2014Night-time city culture

ECONOMICS OF TOMATO MARKETING IN ASHANTI REGION, GHANA

Open Access
2014Corporate Finance and GovernanceDOI: 10.18551/rjoas.2014-02.01

Factors influencing polytechnic students’ decision to graduate as entrepreneurs

Open Access
2014Entrepreneurship Studies and InfluencesDOI: 10.1186/2251-7316-2-2

Economic returns of gari processing enterprises in the Mampong Municipality, Ghana.

2014Agriculture and Rural Development Research

Profitability analysis of cashew production in Wenchi municipality in Ghana

2013Working Capital and Financial Performance

Analysis of factors affecting the production of cashew in Wenchi municipality, Ghana

Open Access
2013Biofuel production and bioconversionDOI: 10.4038/jas.v8i1.5377

Factors Affecting Loan Repayment Performance Among Yam Farmers in the Sene District, Ghana

Open Access
2013Microfinance and Financial InclusionDOI: 10.22004/ag.econ.152695

Resource-use Efficiency in Cashew Production in Wenchi Municipality, Ghana

Open Access
2012Efficiency Analysis Using DEADOI: 10.22004/ag.econ.131364
Academic Metrics
DepartmentDepartment of Agricultural Economics, Agribusiness and Extension
Total Publications93
Research Themes37
Open Access Papers62

Department of Agricultural Economics, Agribusiness and Extension

Kwame Nkrumah University of Science and Technology

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