Working Document Series Open Access Effect of entrepreneurial behaviour on small scale potato farm performance: Evidence from Kenya J. A Agbolosoo · H.K. Bett · I. M. Kariuki · A. O. Nkurumwa ver the years, small scale potato farm enterprises have recorded low potato productivity and profitability. This poor performance could be attributed to poor entrepreneurial culture and skills, and low entrepreneurial behaviour portrayed b… RUF-40371 2021 CC BY 4.0 1 Jun 2023
Working Document Series Open Access Drivers of farm enterprise diversity among small-scale farmers in Makueni and Nyando Sub-Counties, Kenya O.I. Ayuya · E Kiptoo · K.O. Ouko Agriculture has the potential to improve dietary diversity through farm enterprise diversity if farming households consume what they produce. This paper evaluated the drivers of farm enterprise diversity among small-scale farmers in Makuen… RUF-40365 2021 CC BY 4.0 1 Jun 2023
Working Document Series Open Access Access and usage of e-Extension Services among Smallholder farmers in Nakuru County, Kenya V. Kirui · A. O. Nkurumwa · Justus M. Ombati Smallholder farmers in Kenya are faced with low agricultural productivity and need access to timely, relevant and cost effective agricultural information through effective and efficient extension service delivery. This study determined ICT… RUF-40361 2021 CC BY 4.0 1 Jun 2023
Working Document Series Open Access The role of mobile phones in unlocking production for sustainable development among medium scale farmers in Kenya H. Nyanganga · W. Ongachi Integration of mobile phones offers incredible opportunities to share agricultural information. Being one of the ICT tools currently used in extension science, evaluating its contribution on agricultural production remains crucial. This st… RUF-40340 2021 CC BY 4.0 1 Jun 2023
Working Document Series Open Access Biogeochemical processes in forest ecosystems: A review C. P. Kienyiy · B. Kirui Biogeochemical processes are the biological, geological, and chemical characteristics of a forest ecosystem, whereas biogeochemical cycles are the pathways by which vital elements of a living matter are transported through biotic and abiot… RUF-40339 2021 CC BY 4.0 1 Jun 2023
Working Document Series Open Access Effective implementation of climate variability adaptation programs: Lessons from Katulu social innovation in Kenya R. M. Kweyu · H. N. Wamalwa Many initiatives have been undertaken by the Kenyan Government and Non-Governmental Organisations (NGOs) to help residents of Semi-arid lands (ASALs) cope with the effects of climate variability with mixed results. A study to map climate v… RUF-40326 2021 CC BY 4.0 1 Jun 2023
Working Document Series Open Access Mycotoxins detected in chicken products fed with contaminated poultry feeds from smallholder farmers in Western Kenya J.O. Ochuodho · H.A. Rachuonyo Poultry production among smallholder farmers in Western Kenya is a major enterprise, providing food, income and employment; however, birds are maintained with minimum inputs; scavenge feeds which could potentially be contaminated with myco… RUF-40291 2021 CC BY 4.0 31 May 2023
Working Document Series Open Access Assessment of milk safety practices among smallholder dairy farmers in Nyandarua West Sub-County, Kenya G.O. Atsiaya · A.N Ntabo Milk safety practices are the significant aspects in ensuring safety of milk. This is because the consumers only demand the quality products that are safe for their health. These include the practices that farmers need to put into consider… RUF-40285 2021 CC BY 4.0 31 May 2023
Working Document Series Open Access Genetic variation and parameters of feed efficiency traits in Boran cattle in Kenya J.O. Khobondo · A. Majoya · T. K. Muasya · S. Tura The aim of this study was to evaluate the effect of fixed factors on measures of feed efficiency and estimate genetic parameters for feed efficiency for the Boran cattle in Kenya. A total of 1348 records of birth weight and weaning weight … RUF-40254 2023 CC BY 4.0 31 May 2023
Working Document Series Open Access Genetic variability in registered Alpine dairy goat population in Kenya R.K Kimitei · T. K. Muasya · C.B Wasike A total of 6893 individuals were used to evaluate the population structure and genetic variability of registered Alpine dairy goats in Kenya. Parameters estimated were pedigree completeness, maximum generations traced, complete generations… RUF-40236 2023 CC BY 4.0 31 May 2023
Working Document Series Open Access Effect of coat colour on feed efficiency and growth performance of boran cattle in Kenya A. Majoya · T. K. Muasya · C. W Ndung’u · I. Tura. Coat colour of an animal has become an important trait of consideration due to its influence on adaptability of an animal to climate change. Certain coat colours in beef cattle have been perceived to confer an advantage to the animals in t… RUF-40215 2023 CC BY 4.0 31 May 2023
Working Document Series Open Access A strategy for leveraging from wasted hides and skins in pastoral Kenya R. N. Kundu · F. Tillya The livestock sector in Kenya faces a cohort of challenges within the hides and skins value chain, which include low quality of raw materials, inefficient marketing structures, limited incentives for quality production, and export of raw a… RUF-40207 2023 CC BY 4.0 31 May 2023
Working Document Series Open Access Gap size in regeneration of red stinkwood in natural forests in Kenya J. O. Achieng · S. K. Inoti Red stinkwood (Prunus africana) is widely known for its medicinal value, both locally in Kenya and globally. The survival of the species depends on among other things, forest regeneration gap sizes created by humans or natural phenomena. T… RUF-40204 2023 CC BY 4.0 31 May 2023
Working Document Series Open Access Rhizomicrobial Composition in Relation to Bacterial Wilt Outbreak C. Otieno The rhizomicrobial composition of plants consists of various types of microbes, playing important roles in the growth and development of plants. The mechanism by which each microbe obtains energy and nutrients for its survival and reproduc… RUF-40194 CC BY 4.0 31 May 2023
Working Document Series Open Access Adoption of integrated pest management strategy for suppression of mango fruit flies on household welfare in selected counties in Kenya O. A. Ingasia · A. M. Macharia · S.W Onyimbo Horticultural farming is the fastest growing agricultural sector in Kenya. Despite this, the production and marketing of mangoes is hampered by fruit fly infestation that is responsible for high pre and post-harvest losses. To reduce the l… RUF-40174 2023 CC BY 4.0 31 May 2023
Working Document Series Open Access Comparative effect of farm yard manure and chemical fertilizer on growth and yield of cabbage in volcanic soils of Northern Rwanda J. Bazimenyera · E. Kwizera In Rwanda, cabbages are facing numerous problems including low soil fertility which leads to their low yield. The main objective of this study was to compare the effects of organic manure and mineral fertilizer NPK (17-17-17) on growth an… RUF-40162 2023 CC BY 4.0 22 May 2023
Working Document Series Open Access Characterization of potato starch isolated from four potatoes varieties grown in Kenya G. O Adoyo · A.K. Buzera · E.G. Nkirote · I. Orina +1 more In Kenya, there is a wide range of variability of potato cultivars with different physical and chemical properties. These differences define the nature of their starch characteristics which influence their suitability for processing. The p… RUF-40146 2021 CC BY 4.0 22 May 2023
Working Document Series Open Access Determinants of consumer willingness to pay for solar dried traditional African vegetables: Insights from rural households in Tanzania O. A. Ingasia · J. Ochieng · W Yegon Solar dried traditional African vegetable (TAVs) are nutritious and can contribute towards dietary diversity in a household. However, solar drying technology is still new and its consumption is low. This paper examines factors influencing… RUF-40098 2023 CC BY 4.0 15 May 2023
Working Document Series Open Access Assessment of papaya distribution and its production practices in Kenya: A case study of Kiambu, Kitui and Meru counties J. Karanja · A. Kavoo · C Matsuane · F. K Rimberia Papaya (Carica papaya L.) plays a vital role in human diets as a source of minerals and vitamins. Documentation of papaya distribution and its production practices is important for designing farmer training programs on its production pract… RUF-40087 2023 CC BY 4.0 15 May 2023
Working Document Series Open Access Plant resistance as a bacterial blight management strategy for cassava: A Review D. Kilalo · J. Muthomi · A. W. Mwang’ombe · J. H Okoth Cassava (Manihot esculenta Crantz) is a major food crop and raw material to the manufacture industry in the tropics. However, the full production potential of this crop has not been realised owing to numerous challenges that plague its pro… RUF-40069 2023 CC BY 4.0 15 May 2023
Working Document Series Open Access Insecticidal properties of neem seed extracts: A review L. Gaoqiong · E. K Mutua · M. Mwangi The use of botanical pesticides such as azadirachtin found in the neem seed extract to control insect pests has increased globally due to its ability to maintain ecological safety. The objective of this review was to explore on different w… RUF-40067 2023 CC BY 4.0 15 May 2023
Working Document Series Open Access Gross margin comparison between different growth media for potato minituber production S. N. Gbollie · A. M. Kibe · S.M. Mwonga Potato (Solanum tuberosum L.) is the second most consumed food crop in Kenya. Due to numerous production challenges, its yield remains low at 8.6 tonnes/ha compared to global productivity of 40-45 tonnes/ha. This gap in productivity is ass… RUF-40064 2023 CC BY 4.0 15 May 2023
Working Document Series Open Access Implications of Somaclonal variation in vitro in crop management: A review A. Emaru · I. B. Rwotonen Soma clonal variation presents an enormous opportunity in the horticultural industry for crop improvement in regards to using stable, heritable variations. The goal of micro-propagation of maintaining genetic infidelity and integrity resul… RUF-40057 2023 CC BY 4.0 15 May 2023
Working Document Series Open Access Effect of nitrogen and irrigation management on potato (Solanum tuberosum L.) yields J.J. Lelei · S. F. O. Owido · F. Satognon Nitrogen is the major element that limits potato growth and yield under dry and saturated water stress condition. This study evaluated the effect of nitrogen and irrigation management on potato (Solanum tuberosum L.) yields. Potato has a r… RUF-40054 2023 CC BY 4.0 15 May 2023
Working Document Series Open Access Status of potato bacterial wilt and its management options in Kenya W. Chebet · A. Opiyo Bacterial wilt disease, caused by Ralstonia solanacearum, is an important disease of potato (Solanum tuberosum L). In Kenya, bacterial wilt occurs throughout potato growing regions, affecting close to 70% farms under this crop. The diseas… RUF-40037 2023 CC BY 4.0 15 May 2023