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Gathungu Geofrey Kingori

Publications (16)

Interaction of Rhizobium Inoculation, Phosphorus Application and Planting Density Affects Green Gram Yield and Economic Benefit

Kuria Stanley Gikonyo, Gathungu Geofrey Kingori & Muraya Moses Mahugu · International Journal of Plant & Soil Science · 2025

There exists limited green gram production in Kirinyaga County. Increasing green gram production and yield in this area can make it a substitute of beans, cowpeas and maize. Farmers in this area have limited information on use of rhizobia and phosphorus and using the right spacin...

Open access Research Article 10.9734/ijpss/2025/v37i115830

Assessment of the Impact of Adoption of Soil and Water Conservation Practices on Maize Yield in Tharaka Nithi County, Kenya

Gitonga Hellenah Mwendwa, Gathungu Geofrey Kingori, Nderitu Peris Wangari & Dave Ireri · Journal of Agriculture and Ecology Research International · 2025

Maize (Zea mays) is one of the most significant crops for the Kenyan population. Adoption of soil and water conservation practices on maize offers a solution to curb climate change dangers by enhancing increased crop production and improving soil quality. Despite various interven...

Open access Research Article 10.9734/jaeri/2025/v26i4689

Role of Community Participation on Sustainability of Donor Funded Food Security Projects in Tharaka South Sub County, Kenya

Mutegi Anita Mwende, Gathungu Geofrey Kingori & Sande Anne Andayi · Asian Journal of Agricultural Extension, Economics & Sociology · 2025

Participatory approach has been embraced globally for most development projects including food security projects implementation in many communities. However, many food security projects lack sustainability and the projects collapse following the exit of the donor funding. This st...

Open access Research Article 10.9734/ajaees/2025/v43i62762

Effect of Calcium Chloride, Cytokinin and Abscisic Acid on Growth of Rose Cut-flower (Rosa hybrida)

Mburu Reginah Wakomi, Gathungu Geofrey Kingori & Oloo-Abucheli Grace Opetu · Asian Journal of Agricultural and Horticultural Research · 2025

Rose (Rosa hybrida) is a popular and extensively cultivated cut flower amongst commodities in the floriculture industry.However, there has been an increase in losses both in quantity and quality of cut roses which has significantly affected the production and return on investment...

Open access Research Article 10.9734/ajahr/2025/v12i2367

Financial Determinants of Adoption of Agricultural Technologies in Irish Potato Production in Ol Kalou Sub County, Kenya: Application of Multinomial Logistic Regression

Kihoro David Mwangi, Gathungu Geofrey Kingori, Mwirigi Rael Nkatha & Wairimu Vicky Nyambura · Asian Journal of Research in Crop Science · 2024

Irish potato is a significant source of food and income for many households worldwide. The demand for the crop has steadily increased around the globe. Kenyan Irish potato farmers have the potential to produce about 30 tonnes per Ha. However, small-scale Irish farmers in the coun...

Open access Research Article 10.9734/ajrcs/2024/v9i4308

Analysis of Production, Socio-economic and Institutional Factors Affecting Technical Efficiency of Smallholder Banana Producers in Kirinyaga Central Sub-county, Kenya

Mativa Jackson Mkenye, Gathungu Geofrey Kingori, Omukoko Caroline Anaye, Rithaa Jafford Njeru & Ireri Dave Mwangi · Asian Journal of Agricultural Extension, Economics & Sociology · 2024

Banana provides food, nutrition security and income for most households and is fourth most popular food crop in the world after wheat, maize and rice. Despite its significance, full potential of banana production in Kenya remains unexploited by smallholder producers due to low te...

Open access Research Article 10.9734/ajaees/2024/v42i102582

Extraneous Shocks Affecting Agribusiness Loans Default Rate in Agricultural Finance Corporation, Mount Kenya Region

M’Muruku Salesio Miriti, Gathungu Geofrey Kingori & Mwirigi Rael Nkatha · Asian Journal of Agricultural Extension, Economics & Sociology · 2024

Agro-shocks create stochastic disturbances to agribusiness performance, which spills over to the performance of credit markets. Farm loan beneficiaries domiciled in the Mount Kenya Region of the Agricultural Finance Corporation (AFC), have recorded a poor loan repayment rate of 2...

Open access Research Article 10.9734/ajaees/2024/v42i52440

Effect of Harvesting Time, Drying Method and Packaging of Cowpea Leaves on Microbial Contamination

Gitau Jane Wanjiku, Gathungu Geofrey Kingori & Kiramana James Kirimi · Journal of Advances in Microbiology · 2024

After harvesting, cowpea leaves have high moisture content which exposes them to microbial growth. Drying is used to reduce the moisture and extend the shelf life. However, dried foods are susceptible to spoilage resulting from many microbial, biological, chemicals and physical r...

Open access Research Article 10.9734/jamb/2024/v24i2796

Determinants of Market Outlets Choices among Smallholder Mango and Passion Fruit Farmers in Kenya

Wainaina Moses Gachoka, Gathungu Geofrey Kingori & Munyiri Shelmith Wanja · Journal of Economics, Management and Trade · 2023

Aims: Mango and passion fruit farming is one of the lucrative enterprises in the areas where they are grown and marketed. However, there is need for stability in the market outlets choices made by farmers due to the negative influence of brokers and fear of postharvest loss. This...

Open access Research Article 10.9734/jemt/2023/v29i111158

Stochastic Frontier Analysis of Production, Socio-economic and Institutional Factors Affecting Technical Efficiency of Cowpea Production in Chuka Sub-county, Kenya

Kinoti Glory Ntinyari, Gathungu Geofrey Kingori & Kiramana James Kirimi · Journal of Economics, Management and Trade · 2023

Cowpea is one of the most important vegetable that ranks third among pulses and top five leafy vegetables consumed in Sub Saharan Africa. In Kenya cowpea contributes to cheap supply of nutritious food, revenue and food security. Despite its importance, cowpea production levels ar...

Open access Research Article 10.9734/jemt/2023/v29i101151

Effect of Harvesting Stage and Drying Method on Cowpea Leaf Nutrient Composition

Gitau Jane Wanjiku, Gathungu Geofrey Kingori & Kiramana James Kirimi · European Journal of Nutrition & Food Safety · 2023

Cowpea leaves are lost annually due to infestation and spoilage when being transported to clients and the losses at the local markets are brought on by inadequate postharvest handling procedures and market glut, particularly during peak seasons. High moisture content from the cow...

Open access Research Article 10.9734/ejnfs/2023/v15i81325

Effects of Potassium Application on Yield, Protein and Oil Content of Selected Soybean Varieties in Trans Nzoia County, Kenya

Kimkung Sam Kibet, Kingori, Gathungu Geofrey, Gathungu Geofrey Kingori, Muraya Moses Mahugu, Mahugu , Muraya Moses & Kibet, Kimkung Sam · Journal of Agriculture and Ecology Research International · 2023

There is low soybean production due to poor agronomic techniques, such as sub-optimal application of fertilizer among other factors. There are limited studies on the effects of potassium fertilizer application which is crucial in productivity, quality, and drought resistance. A s...

Open access Research Article 10.9734/jaeri/2023/v24i5540

Effect of Rate and Time of Phosphorous Application and Planting Density on Yield and Net Benefit of Groundnut (Arachis hypogaea)

Ngari Ann Wanjue, Gathungu Geofrey Kingori & Muraya Moses Mahugu · International Journal of Plant & Soil Science · 2023

Groundnut yields are relatively very low in Kenya compared to other countries due to the use of poor agronomic practices and low soil fertility, with phosphorous (P) being the most limiting factor. This study aimed at determining the effect of the rate and time of phosphorous app...

Open access Research Article 10.9734/ijpss/2023/v35i143025

Effect of Rainfall and Temperature Variability on Green Gram Yield in Tharaka South Sub County, Tharaka Nithi County, Kenya

Mathenge Beatrice Mugure, Gathungu Geofrey Kingori & Dennis K. Muriithi · International Journal of Environment and Climate Change · 2023

Globally, green gram is a significant legume particularly in Arid and Semiarid Lands (ASALs), as a source of food, income, and soil enhancement. Despite this importance, green gram yield in Tharaka South Sub County is still too low at 560 kg/ha far below the crop’s estimated nati...

Open access Research Article 10.9734/ijecc/2023/v13i81970

Effect of Source and Rate of Livestock Manure on Yield, Quality and Net Economic Benefit of Okra (Abelmoschus esculentus (L.) Moench.)

Kamunyu Deborah Ncuuri, Gathungu Geofrey Kingori & Muraya Moses Mahugu · Journal of Experimental Agriculture International · 2023

Okra farmers use inorganic fertilizers which are expensive, they result to water pollution, increases the soil acidity, which affects soil nutrients availability and uptake as well as reducing microbial activity. Organic manure improves soil physical, chemical and biological prop...

Open access Research Article 10.9734/jeai/2023/v45i72141

Effect of Borrower's Socio-Economic Profile on Agribusiness Loans Default Rate in Agricultural Finance Corporation, Mount Kenya Region

M’Muruku Salesio Miriti, Gathungu Geofrey Kingori & Rael Nkatha Mwirigi · Journal of Economics, Management and Trade · 2023

Background: Agribusiness loans advanced by Agricultural Finance Corporation (AFC) in Mount Kenya Region have high default rate of 20.33% which compares unfavourably with 10% benchmark for all types of loans in Kenya. This is a challenge, given the strategic importance of agribusi...

Open access Research Article 10.9734/jemt/2023/v29i81112