• Occurrence of plant-parasitic nematodes on rice (Oryza sativa) in Kenya with a focus on Hirschmanniella oryzae 

  Njira Njira, Pili; Chelal, John; Biwot, John; Ndirangu, Kiama J. (2024-11)

  Rice ranks as the third most important staple cereal food crop in Kenya, following maize and wheat. The demand for rice has been increasing at a faster rate than most cereals, occasionally requiring imports to meet local ...
• Insecticidal potential of essential oils from Cupressus lusitanica growing in ecological zones of Rwanda against adult housefly, Musca domestica L 

  Nteziyaremye, Papias; Cherutoi, Jackson; Makatiani, Jacqueline; Muhizi, Théoneste (African Association of Insect Scientists, 2023)

  The housefly, Musca domestica Linnaeus is a household pest mostly controlled by use of synthetic insecticides that often affect the environment and promote insecticide resistance. Plants of Cupressaceae family are often ...
• Phytochemical Composition, Antioxidant and Antiproliferative Activities of African Basil (Ocimum gratissimum L.) Leaves 

  Nassazi, Winfred; Makatiani, Jacqueline; owino, Isaac O; Wachira, Sabina (2020)

  Aim: To determine the phytochemicals in Ocimum gratissimum leaves, their phenolic content, antioxidant potential and antiproliferative activity against human prostate (DU145), colon (CT26) and cervical (HeLa 229) cancer ...
• Combined Biostimulant Applications of Trichoderma spp. with Fatty Acid Mixtures Improve Biocontrol Activity, Horticultural Crop Yield and Nutritional Quality 

  Kamau, Solomon (Agronomy, 2022-01)

  : The growing demand for safer foods reflects the public perception of the adverse consequences of chemicals used in agriculture. This research aimed at developing new biological formulations based on the combination of ...
• Earthworms regulate ability of biochar to mitigate CO2 and N2O emissions from a tropical soil 

  Namoia, Nictor; Pelster, David; Rosenstocka, Todd S.; Mwangia, Lukelysia; Kamaua, Solomon; Mutuo, Paul; Barrios, Edmundo (Elsevier, 2019-08)

  Soils account for > 80% and 20% of the total agricultural N2O and CO2 emissions respectively. Soil management activities that target improved soil health, such as enhancing earthworm activity, may also stimulate ...
• Spatial variation of soil macrofauna and nutrients in tropical agricultural systems influenced by historical charcoal production in South Nandi, Kenya 

  Kamau, Solomon; Barrios, Edmundo; Karanja, Nancy K.; Ayukea, Fredrick O.; Lehmann, Johannes (Elsevier, 2017)

  The charcoal sector constitutes an important source of employment and revenue for many tropical agroecosystems. Better understanding of the effects of charcoal-making is thus warranted to guide actions aimed at minimising ...
• Agronomic assessment of phosphorus efficacy for potato (Solanum tuberosum L) under legume intercrops 

  Gitaria, Harun I.; Nyawade, Shadrack; Kamau, Solomon; Karanja, Nancy N.; Gachene, Charles K. K.; Schulte-Geldermann, Elmar (Taylor & Francis, 2019)

  Phosphorus (P) is an essential element and its efficient use is of globalimportance. This study evaluated the effect of growing potato under leg-ume intercrops on P uptake and use efficiency indices: P harvest index(PHI), ...
• Phytochemical composition, antioxidant and antiproliferative activities of Rosmarinus officinalis leaves 

  Nassazi, Winfred; Owino, Isaac O. K; Makatian, Jacqueline; Sabina, Wachira (2020)

  Phytochemicals in Rosmarinus officinalis leaves, their total phenolic content, antioxidant potential and antiproliferative activity against human prostate (DU145), colon (CT26) and cervical (HeLa 229) cancer cells were ...
• Increasing potato equivalent yield increases returns to investment under potato-legume intercropping systems 

  Gitari, Harun I.; Nyawade, Shadrack O.; Kamau, Solomon.; Gachene, Charles K. K .; Karanja, Nancy N.; Schulte-Geldermann, Elmar (De Gruyter, 2019)

  In order to enhance sustainable intensification of potato-based cropping systems, especially in sub-Saharan Africa (SSA), there is a need to investigate the economic viability of investing in this lucrative venture. This ...
• Potato-legume intercropping on a sloping terrain and its effects on soil physico-chemical properties 

  Gitari, Harun I.; Gachene, Charles K. K.; Karanja, Nancy N.; Kamau, Solomon; Nyawade, Shadrack; Elmar, Schulte-Geldermann (Springer International Publishing, 2019)

  Aims To assess the effects of potato-legume intercropping on selected soil physical and chemical properties after four consecutive growing seasons (from the short rains in 2014 to long rains 2016). Methods The experiment ...
• Medicinal plants used as snake venom antidotes in East African community: review and assessment of scientific evidences 

  Omara, Timothy; Nakiguli, Caroline; Opondo, Florence; Nassazi, Winfred (Sami Publishing Company, 2021)

  Poisonous snake envenomation is a complex neglected health problem implicated in mortality, disability, psychological morbidity, and socio- economic losses recorded worldwide. An antivenin serum, the only medically recommended ...
• Optimizing yield and economic returns of rain-fed potato (Solanum tuberosum L.) through water conservation under potato-legume intercropping systems 

  Gitaria, Harun I.; Gachene, Charles K.K.; Karanja, Nancy N.; Kamaua, Solomon; Nyawadea, Shadrack; Sharma, Kalpana; Schulte-Geldermann, Elmar (Elsevier, 2018)

  Even though potato (Solanum tuberosum L.)-based intercropping systems are widely practised in developing countries, only a few studies have focused on legumes as the companion intercrops. This study was conducted to assess ...
• Revisiting intercropping indices with respect to potato-legume intercropping systems 

  Gitari, Harun I.; Nyawade, Shadrack O.; Kamau, Solomon; Karanja, Nancy N.; Gachene, Charles K. K.; Raza, Muhammad A.; Maitra, Sagar; Schulte-Geldermann, Elmar (Elsevier, 2020)

  Intercropping is gaining popularity in developing countries as a viable strategy for diversifying cropping systems to ease food insecurity, given that arable land is shrinking, and demand for food crops is increasing due ...
• Nitrogen and phosphorous uptake by potato (Solanum tuberosum L.) and their use efficiency under potato-legume intercropping systems 

  Gitaria, Harun I.; Karanja, Nancy N.; Gachene, Charles K.K.; Kamau, Solomon; Sharma, Kalpana; Schulte-Geldermann, Elmar (Elsevier, 2018-06)

  Competition for nitrogen (N) and phosphorous (P) under potato-based intercropping systems decreases the level of nutrients available for potato and subsequently influences nitrogen and phosphorous use efficiency. A ...
• Control of Meloidogyne incognita and Pratylenchus zeae using Embelia schimperi Extracts 

  Waweru, Beth Wangui; Wabusya, Moses Wetiba; Lusweti, Dorcas; Koske, Margaret; Ramkat, Rose; Kiprop, Ambrose (Tropical and Subtropical Agroecosystem, 2022)

  Background. Some secondary metabolites found in plants have been used to control pests and pathogens. The plant Embelia schimperi contains complex compounds that can be used to biosynthesize agrochemicals for the control ...
• Characterization of finger millet extracts and evaluation of their nematicidal efficacy and plant growth promotion potential 

  Khaoya, Martine Chrisantus; Chepkwony, Sarah; Lusweti, Dorcas; Ramkat, Rose Chepchirchir; Oduori, Chrispus O. A.; Pili, Njira Njira (New Phytologist Foundation and John Wiley & Sons Ltd., 2024)

  Plant-parasitic nematodes pose a significant threat to finger millet crops, poten- tially causing yield reduction of up to 70%. Extracts derived from finger millet vari- eties contain potent bioactive compounds that can ...
• Detection of Plant Growth Promoting Bacteria from Soil 

  Makumba, Billy Amendi; Lusweti, Dorcas (2024)

  The use of plant growth promoting bacteria (PGPB) in agricultural production is gaining traction. A majority of PGPB are the plant growth promoting rhizobacteria (PGPR) that are rhizosphere dwelling. They contribute to ...
• Counting formulas and bijections of nondecreasing 2-noncrossing trees 

  Kariuki, Yvonne Wakuthii; Okoth, Isaac Owino; Nyamwal, Fredrick Oluoch (2024-07)

  n this paper, we introduce nondecreasing 2-noncrossing trees and enumerate them according to their number of vertices, root degree, and number of forests. We also introduce nondecreasing 2-noncrossing increasing trees and ...
• Symmetric operator extensions of composites of Higher order difference operator 

  Okello, Boaz Okoth; Nyamwala, Fredrick Oluoch; Ambogo, David Otieno (2024-07)

  in this paper we have considered two higher order difference op- erators generated by two higher order difference functions on the Hilbert space of square summable sequences. By allowing the leading coefficients to be ...
• Matlab-Simulink Model of CHMT for Internal Climate in Greenhouses 

  Kande, Dickson; Nyamwala, Fredrick Oluoch; Rotich, Titus (Science Publishing Group, 2024-08)

  Over the past twenty years, Kenya's food security has been threatened by the sub-division of land into tiny areas and the clearance of forests to make way for settlement. These actions have an impact on soil moisture, ...

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