• Depth effects of long-term organic residue application on soil organic carbon stocks in central Kenya 

  Müller, Claude Raoul; Six, Johan; i Njiru, Daniel Mugend; Vanlauwe, Bernard; Broek, Marijn Van de (UoEm, 2025-06-17)

  In arable soils, a substantial portion of soil organic carbon (SOC) is stored below the plough layer. To develop sustainable soil management strategies, it is important to assess how they affect the quantity of SOC stored ...
• Physicochemical and Heavy Metal Characterization of River Kapingazi in Embu County, Kenya 

  Yego, Naomy Chepkirui; Nyambane, Charles Onyari; Yegon, Rebbecca; Kiprotich, Shadrack (UoEm, 2025-07-04)

  Surface water provides crucial support to the aquatic ecosystem and humans in numerous ways. However, its quality is paramount in determining its impact on the health of the aquatic ecosystem and humans. Currently, ...
• Diversity analysis and genome‑wide association studies of seed weight trait in Bambara groundnut (Vigna subterranea (L.) Verdc.) using diversity array technology sequence derived single nucleotide polymorphism markers 

  Muturi, Phyllis; Kyallo, Martina; Gasura, Edmore; Yao, Nasser (UoEm, 2025-02-22)

  Bambara groundnut is an indigenous drought tolerant legume cultivated in Africa. In Kenya, the crop is grown by women and the diver- sity of the accessions grown is unknown. Lack of information on the crop’s diversity ...
• Introgressing Photoperiod/Thermo-sensitive Genic Male Sterile Gene into Basmati 370 Rice 

  Nyankemba, Beatrice Nyarangi; Arunga, Edith Esther; Nthakanio, Paul Njiruh (UoEm, 2025-01-08)

  The emasculation of male gametes in pollen-recipient parents among self-pollinated crops (rice) is key to producing quality hybrid rice seeds. One of the emasculation tools in rice breeding is the photoperiodthermo sensitive ...
• Exploring Socio-Economic Characteristics on Adoption Intensity of Biochar Among Farming Households in Sub-Humid Regions of Western Kenya 

  Kyalo, Annastacia Maitha; Mogaka, Hezron; Kirimi, Florence Kaumi; Kizito, Kwena; Ndirangu, Samuel Njiri; Onyari, Charles Nyambane; Muriithi, Lydia; Elvin, Otara Nyaboe; Mutungi, Scholastica Katava; Kiprotich, Shadrack; Njiru, Moses Muchangi; Kamau, Ezekiel Areri (UoEm, 2025-01-08)

  Agriculture is a cornerstone of Kenya's economy, yet declining soil fertility and low adoption of sustainable agricultural technologies, such as biochar, have hindered productivity among smallholder farmers. Biochar is ...
• Modeling integrated soil fertility management for maize production in Kenya using a Bayesian calibration of the DayCent model. 

  Laub, Moritz; Wanjiku Mucheru-Muna, Monicah; Necpalova, Magdalena; Broek, Marijn Van de; Corbeels, Marc; Mathu Ndungu, Samuel; Mugendi, Daniel; Yegon, Rebecca; Waswa, Wycliffe; Vanlauwe, Bernard; Six, Johan (UoEm, 2024-07-04)

  Sustainable intensification schemes such as integrated soil fertility management (ISFM) are a proposed strategy to close yield gaps, increase soil fertility, and achieve food security in sub-Saharan Africa. Biogeochemical ...
• QTL mapping for pod quality and yield traits in snap bean (Phaseolus vulgaris L.) 

  Njau, Serah Nyawira; Gepts, Paul; Parker, Travis A.; Duitama, Jorge; Arunga, Edith Esther (UoEm, 2024-08-12)

  Pod quality and yield traits in snap bean (Phaseolus vulgaris L.) influence consumer preferences, crop adoption by farmers, and the ability of the product to be commercially competitive locally and globally. The objective ...
• A Diallel Cross-Based Analysis of the Genetic Basis of Pod Quality and Pod Yield in Snap Bean 

  Njau, Serah N.; Arunga, Esther; Otsyula, R (UoEm, 2024-07-27)

  Snap bean (Phaseolus vulgaris L.) is among the leading vegetables in Kenya that is mainly grown for export with the potential to increase household income. There are few programs in Kenya that focus on breeding new ...
• Inoculum sources and management of bean scab caused by Elsinoë phaseoli 

  Masheti, Yona; Muthomi, James W.; Muiru, William M; Arunga, Esther E.; Gepts, Paul (UoEm, 2024-06-24)

  Bean scab caused by Elsinoë phaseoli is a major challenge to common bean cultivationin Kenya. However, knowledge about its epidemiology and management is limited.This study conducted three experiments in Kakamega, Kenya, ...
• Efficacy of Metarhizium anisopliae against the Greater Pumpkin Fly Dacus bivitattus 

  Dubois, Thomas; Onsongo, Susan K.; Omuse, Evanson R.; Odhiambo, Joseph A.; Akutse, Komivi S.; Mohamed, Samira A. (UoEm, 2023-07-01)

  The greater pumpkin fly Dacus bivittatus (Bigot) is a fruit fly indigenous to Africa, which causes extensive damage to Cucurbitaceae. To control this pest, farmers rely on synthetic chemicals, often organophosphates, which ...
• A Guide for Soil Health and Fertility for Maize production in Kenya 

  Nyaga, Patrick; Yegon, Rebecca; Laub, Moritz; Six, Johan (UoEm, 2023)

  The health of your soil is a fundamental aspect of successful farming. However, many arable soils in Kenya have degraded and lost fertility over recent decades1. This is expected because many soils were recently transformed ...
• Identification of Elsinoë phaseoli causing bean scab in Kenya and evaluation of sporulation using five adapted techniques 

  Masheti, Y. O.; Muthom, J. W.; Muiru, W. M.; Arunga, E. E.; Gepts, P. (UoEm, 2024-06-07)

  This research addresses the presence of Elsinoë phaseoli in Kenya, where information on the biology of this pathogen remains scarce. Employing a multifaceted approach, the study demonstrates the steps taken to isolate, ...
• Determinants for rainwater harvesting adoption: a case study of smallholder farmers in Murang’a County, Kenya 

  Itemo Irungu, Francis; Yegon, Rebecca; Milkah Muniale, Faith (UoEm, 2024-05-17)

  Rainwater harvesting has been practiced among smallholder farmers for centuries in many parts of the world. Recently, it has gained more attention due to the reported increasing water demand and the need for sustainable ...
• Shifting focus from external to in situ organic resources The redesign of four tropical long-term experiments 

  Laub, Moritz; Corbeels, Marc; Ndungu, Samuel Mathu; Mucher-uMuna, Monicah Wanjiku; Mugendi, Daniel; Yegon, Rebecca; Waswa, Wycliffe; Vanlauwe, Bernard; Six, Johan (UoEM, 2024-07)

  Long-term experiments (LTEs) are critical for evaluating strategies that can maintain or increase crop yields, soil fertility and soil organic carbon (SOC), and help adapt to climate change. Yet, scientific knowledge is ...
• Garden Project Bears Fruit in School Display 

  Special to the Commercial; Yegon, Dr. Rebecca; Harris, Professor Karleah (UoEm, 2023-11-11)

  Pine Bluff Junior High School recently displayed its garden during a visit by Karleah Harris, assistant professor for the Department of Human Sciences at the University of Arkansas at Pine Bluff, along with UAPB alumni and ...
• Restoring soil nutrient stocks using local inputs, tillage and sorghum-green gram intercropping strategies for drylands in Eastern Kenya 

  Njiru, L.G.; Yegon, J.R.; Mwithiga, G.; Micheni, A.; Gitari, N.J.; Mairura, F.S. (UoEm, 2023)

  Soil macronutrient and micronutrient availability is particularly critical in semi-arid agro- ecological zones that are characterized by poor soil fertility and low rainfall regimes. An experiment was initiated in S ...
• Efficacy of Metarhizium anisopliae (Mechnikov) Sorokin ICIPE 69 against the melon fly Zeugodacus cucurbitae (Coquillett) infesting courgette (Cucurbita pepo L.) in field cages 

  Dubois, Thomas; Onsongo, Susan K.; Omuse, Evanson R.; Akutse, Komivi S.; Mohamed, Samira A. (UoEm, 2023-07-21)

  Effective integrated pest management (IPM) of the melon fly Zeugodacus cucurbitae (Coquillett), a devastating pest threatening horticultural production in Africa, is urgently needed. In this study, a c ...
• Integrated Soil Fertility and Water Management Practices for Enhanced Agricultural Productivity 

  Ndegwa, Jackline K.; Gichimu, Bernard M.; Mugwe, Jayne N.; Mucheru-Muna, Monicah; Njiru, Daniel M. (UoeM, 2023-06-23)

  Declining agricultural productivity has been a challenge worldwide and especially in Sub-Saharan Africa (SSA). Low agricultural productivity has been attributed to factors such as poor farm management practices, soil ...
• Nutritional and Phytochemical Composition of Bambara Groundnut (Vigna subterranea [L.] Verdc) Landraces in Kenya 

  Chelangat, Mercy; Muturi, Phyllis; Gichimu, Bernard; Gitari, Josiah; Mukono, Simon (UoEM, 2023-06-02)

  Bambara groundnut (Vigna subterranea) is a highly nutritious legume with good drought tolerance attributes and is therefore a suitable candidate for food and nutritional security especially in drought prone areas. This ...
• Tied-ridging and soil inputs enhance small-scale maize productivity and profitability under erratic rainfall conditions in central Kenya 

  M., Ndung’u; Mugwe, J.N.; Mucheru-Muna, M.W; Ngetich, F.K.; Mairura, F.S.; Mugendi, D.N (UoEM, 2023)

  Deficits in soil moisture and low soil fertility are the major constraints to smallholder farming systems in the SSA (sub-Saharan Africa) region. This study evaluated the effects of tied ridging and selected soil fertility ...

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