Wondo Genet Agriculture Research Center, Ethiopia Institute of Agricultural Research, Ethiopia
Dr. Ashenafi Nigussie Adafre is a highly accomplished Ethiopian soil scientist with extensive experience in sustainable agriculture, soil fertility, and integrated nutrient management. He currently serves as a Senior Researcher at the Wondo Genet Agricultural Research Center under the Ethiopian Institute of Agricultural Research (EIAR). Over the past 15 years, Dr. Nigussie has developed a solid reputation for conducting impactful research addressing critical challenges in soil health and agricultural productivity. His academic credentials include a Ph.D. in Soil Science, M.Sc. in Agronomy, and B.Sc. in Horticulture, all obtained from top Ethiopian agricultural universities. He has published more than 30 peer-reviewed journal articles and numerous conference proceedings on subjects ranging from nitrogen use efficiency and biochar application to crop responses under various soil fertility regimes. Dr. Nigussie has also played key leadership roles in national projects and external collaborations, serving as a focal person and principal investigator on donor-funded research initiatives. He has mentored postgraduate students and contributed significantly to academic publishing as an editor of national research proceedings. His scholarly and community contributions have earned him multiple recognitions, including roles on strategic committees and international evaluation panels. His career exemplifies the integration of academic excellence, research leadership, and social relevance in agricultural science.
Professional Profile
Education
Dr. Ashenafi Nigussie Adafre’s academic foundation is rooted in Ethiopia’s leading agricultural institutions. He earned his Bachelor of Science degree in Horticulture from Jimma University College of Agriculture in July 2006. Driven by a passion for crop production systems and sustainable land management, he pursued his Master’s degree in Agronomy at Hawassa University, completing it in July 2012. His research focus during the MSc involved intercropping systems and the optimization of planting densities for maize and haricot bean. This interest in soil-plant interactions guided him towards doctoral studies. In June 2022, he completed his Ph.D. in Soil Science from Hawassa University, focusing on soil characterization, nitrogen sources, tillage, and cropping systems in Ethiopia’s Central Rift Valley. His academic progression reflects a seamless evolution from plant-focused studies to advanced soil science research. Alongside his formal education, Dr. Nigussie has completed multiple certified training programs from international institutions such as Cornell University, CGIAR, and INASP. These courses, covering advanced soil health, experimental design, R-software, and academic writing, have enhanced his practical and analytical skills. His strong academic grounding, complemented by global training exposure, equips him with the technical proficiency and interdisciplinary insight required for advancing agricultural research in Ethiopia and beyond.
Professional Experience
Dr. Ashenafi Nigussie has developed a robust professional portfolio with nearly two decades of experience in agricultural research and rural development. He began his career in 2006 as a Crop Production and Coffee Expert with the Agricultural and Rural Development Office in Hadiya Zone, where he worked for six years, directly supporting farmers with production techniques and soil management. In 2012, he joined the Ethiopian Institute of Agricultural Research (EIAR) at the Wondo Genet Agricultural Research Center as a researcher in soil fertility and health management. Since then, he has progressed to the rank of Senior Researcher, conducting field experiments and leading national projects focused on enhancing soil productivity. Dr. Nigussie has also held key leadership roles, including National Coordinator for Integrated and Inorganic Soil Fertility Management and Head of the Natural Resource Management Research Process. He is currently the Principal Investigator of a GIZ-funded biochar fertilizer project and has served as focal person on other externally funded soil-related initiatives. His extensive responsibilities have included research design, implementation, stakeholder coordination, and mentoring. Through these roles, he has significantly contributed to shaping national soil fertility strategies, improving local farming practices, and advancing agricultural science in Ethiopia.
Research Interests
Dr. Ashenafi Nigussie’s research interests lie at the intersection of soil science, sustainable agriculture, and integrated nutrient management. His work primarily focuses on enhancing soil fertility through the application of organic and inorganic amendments, biochar technology, and improved tillage and cropping systems. He is particularly interested in exploring how nitrogen dynamics, phosphorus availability, and soil carbon sequestration affect crop performance and long-term soil health. Dr. Nigussie has conducted extensive studies on the response of maize, wheat, barley, potato, and other key crops to various fertilization strategies across diverse soil types such as Andisols, Nitisols, and Chernozems. His research also delves into intercropping systems involving horticultural crops like rosemary, onion, and basil, highlighting productivity and ecological sustainability. In recent years, he has expanded his interest to the application of biochar and lime in managing acidic soils, the phytoremediation of heavy metals, and soil microbial biomass under different fertilization regimes. These multidimensional research pursuits are driven by the need to address soil degradation, climate resilience, and food security in Ethiopia. Dr. Nigussie’s work bridges fundamental soil science with practical solutions for smallholder farmers, making his research both scientifically rigorous and socially impactful.
Research Skills
Dr. Ashenafi Nigussie brings a diverse set of research skills spanning experimental design, statistical analysis, soil and crop nutrient diagnostics, and field-based agronomic assessments. He is proficient in designing and executing field and pot experiments with scientific rigor, employing advanced statistical methods to interpret complex soil-plant interaction data. He has completed specialized training in R-software for data analysis and has applied these tools to quantify nitrogen use efficiency, organic matter decomposition, and yield responses. His ability to manage long-term field trials, coupled with expertise in sampling and laboratory analysis of soil physicochemical properties, underpins his evidence-based research outputs. Dr. Nigussie is also skilled in proposal writing and project management, securing funding and coordinating multidisciplinary teams on national and international research initiatives. He has substantial experience in scientific writing, as evidenced by his prolific publication record in peer-reviewed journals and contributions to edited conference proceedings. Additionally, his mentorship of postgraduate students demonstrates his capacity to transfer knowledge and develop future researchers. His collaborative nature, commitment to academic integrity, and technical competency make him a well-rounded agricultural scientist equipped to tackle pressing challenges in soil health and crop productivity.
Awards and Honors
Dr. Ashenafi Nigussie has been recognized multiple times for his contributions to agricultural science and rural development in Ethiopia. He has received several certificates of appreciation and recognition from both governmental and international institutions. Notably, he was acknowledged by the International Institute of Knowledge Management for serving as an Evaluation Panel Member at the 10th International Conference on Agriculture in 2023, held in Bali, Indonesia. He has also earned recognition from regional agricultural offices, such as the West Badewacho Agricultural Office and the Arbe Gona District, for his impactful field demonstrations and contributions to farmer livelihood improvements. Within the Ethiopian Institute of Agricultural Research, Dr. Nigussie has played critical roles in strategic planning, research proposal development, and capacity-building workshops. His efforts have also been appreciated in national training programs where he served as an instructor on topics like aromatic and medicinal plants. Additionally, he has completed internationally certified training programs supported by institutions like Cornell University and the World Bank, further reflecting his dedication to academic and professional excellence. These accolades highlight not just his technical expertise, but also his leadership, mentorship, and dedication to improving agricultural systems for the benefit of Ethiopian farmers.
Conclusion
Dr. Ashenafi Nigussie Adafre stands as a model of academic rigor, practical research application, and public service in the field of soil and agricultural sciences. His work is characterized by its depth, diversity, and direct alignment with Ethiopia’s agricultural development priorities. He has demonstrated a consistent ability to identify critical research problems, design innovative studies, and translate findings into solutions that benefit both policy frameworks and local farming communities. His scholarly output, including over 30 journal articles, multiple conference proceedings, and editorial responsibilities, underscores his dedication to scientific communication and knowledge dissemination. As a mentor and supervisor, he is cultivating the next generation of agricultural scientists. His leadership roles in nationally coordinated soil fertility programs and his involvement in international research collaborations reflect his influence beyond the laboratory. While there is room to enhance global visibility and interdisciplinary collaborations, his track record and ongoing projects reveal a researcher deeply committed to sustainable agricultural transformation. Recognizing Dr. Nigussie through awards and honors would not only celebrate his past achievements but also support and inspire continued innovation in Ethiopian and global agricultural research.
Publications Top Notes
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Effects of nitrogen application and tillage on maize (Zea mays L.) yield, nitrogen use efficiency, and nutrient stocks under contrasting soils
Author: Ashenafi Nigussie
Year: 2025
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Characterization and Identification of the Soil types Under Maize Production in the Central Rift Valley of Ethiopia
Author: Ashenafi Nigussie
Year: 2025
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Short-term Effects of Tillage, Cropping system and Nitrogen fertilization on Soil organic carbon and Total nitrogen Stocks Under Contrasting Soils
Author: Ashenafi Nigussie
Year: 2025
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Nitrogen Uptake and Use Efficiency of Maize as Affected by Tillage, Cropping System and Nitrogen Fertilization on Cambisols and Phaeozems
Authors: Ashenafi Nigussie, Wassie Haile, Getachew Agegnehu, Alemayehu Kiflu
Year: 2023
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Growth, Nitrogen Uptake of Maize (Zea mays L.) and Soil Chemical Properties, and Responses to Compost and Nitrogen Rates and Their Mixture on Different Textured Soils: Pot Experiment
Authors: Ashenafi Nigussie, Wassie Haile, Getachew Agegnehu, Alemayehu Kiflu
Year: 2021
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Grain yield and Nitrogen uptake of Maize (Zea mays L.) as affected by soil management practices and their interaction on Cambisols and Chernozem
Authors: Ashenafi Nigussie, Wassie Haile, Getachew Agegnehu, Alemayehu Kiflu
Year: 2021
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Characterization and Classification of Soils Along the Toposequence of Medo Sub-watershed at Wondo Genet District, Ethiopia
Authors: Abreham Yacob, Ashenafi Nigussie
Year: 2022
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The Influence of Cropping systems and Tillage practices on Growth, Yield, and Yield Components of Maize (Zea mays L.) in Shalla District, West Arsi Ethiopia
Authors: Ashenafi Nigussie, Diriba Daba
Year: 2022
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Agronomic Performance of Barley as Affected by Biochar and Lime Application on Acid Soil of Hula Hagereselam Sidama, Ethiopia
Authors: Ashenafi Nigussie, Abreham Yacob
Year: 2022
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Role of Biochar Amendments on Soil Microbial Biomass and Nitrogen Dynamics: Review
Author: Ashenafi Nigussie
Year: 2022