Dr. Joseph Onyango Gweyi
Agricultural Science and Technology
Dr. Joseph Onyango Gweyi is currently working as a Senior Lecturer and Director of the Department in Kenyatta University
Plant Nutritionist-Horticulturalist with a strong focus on plant abiotic stresses (e.g. limiting nutrients, extreme soil pH and toxic mineral elements) and their effects on yield and food security. The other interest include; effects of limiting soil water status on the severity of nutrient stresses on crops, with special reference on non-nutritive fertigation to horticultural crops and wastewater re-use in Urban and Peri-Urban centres.
Ogembo Oyaro Joel, P. Nawiri, W. Musila and Joseph P. Gweyi-Onyango (2017). Effect of Phosphorus Deficiency on Phenolics and Antioxidants Content of Two African Nightshade Varieties Grown in Kenya. International Journal of Plant & Soil Science 15(3): 1-11.
Ocharo N. Edgar Joseph P. Gweyi-Onyango and Nicholas K. Korir (2017). Plant Row Spacing Effect on Growth and Yield of Green Pepper (Capsicum annuum L.) in Western Kenya. Archives of Current Research International. 7(3): 1-9.
Odhiambo Peter Okello, Mildred P. Nawiri, Winfred Musila and Joseph P. Gweyi-Onyango (2017). Water Stress Effect on Total Antioxiant Activity and Total Phenolic Content of Solanum scabrum Mill and Solanum scabrum in Kiambu, Kenya. International Journal of Biochemistry Research & Review.17(1): 1-9.