Samuel Njiri Ndirangu

Samuel Njiri Ndirangu
University of Embu · Agricultural Economics and Extension

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25
Publications
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183
Citations

Publications

Publications (25)
Article
Full-text available
The coffee value chain is lengthy and complex with numerous actors and this exposes the farmers to inherent financial risks. This study sought to decompose the coffee value chain and its dynamics. The study was undertaken in Embu and Kirinyaga counties in Central Kenya and the target population was smallholder coffee farmers. The study used multist...
Article
Full-text available
Collective action is important in ameliorating the negative externalities in agriculture to promote household food security (HFS). This study explored the effects of efficiency and livelihood collective action initiatives (CAIs) on HFS along the pathways of production and income. The efficiency CAIs pursue efficiency-enhancing collective activiti...
Article
Full-text available
Collective action initiatives (CAIs) are important in ameliorating the negative externalities in agriculture to promote social and economic development in Sub-Saharan Africa (SSA). However, the empirical basis exploring the context-specificity underpinning the CAIs is barely established. This study characterized the organizational attributes of the...
Article
Climate change manifestations and population pressure are some of the most critical challenges that affect agricultural productivity. Integrated soil fertility management (ISFM) technologies are among the agricultural innovations that have been developed to address declining crop productivity. These technologies have been promoted across diverse ar...
Article
Full-text available
This study evaluated socioeconomic factors influencing the uptake of regenerative agriculture technologies in the dry lands of Embu County. Semi-structured questionnaires were administered to 400 farm households. Multivariate Probit model (MVP) and percentage were used to analyse the data. The findings of the study indicate that several socioeconom...
Article
Full-text available
This paper investigated the determinants smallholders' choice of avocado marketing outlets and profitability in Murang'a County. Stratified sampling procedure was used to obtain a sample of 384 smallholder avocado farmers from the 7 key producing areas of the County. Multinomial logit regression model was used for analysis, with marketing through f...
Article
Full-text available
The study investigated the factors influencing adoption of improved cultivars of macadamia (Macadamia spp.) among small-scale farmers in Embu County, Kenya. Data was collected from a sample of 384 small-scale farmers obtained through multistage sampling procedure in ten sub-locations. Binary Logit model was used to determine the effect of selected...
Article
Full-text available
The study examined adoption of recommended banana production technology among small-scale farmers in Embu West Sub-County, Kenya. Data were obtained from a sample of 384 small-scale banana farmers that were proportionately selected from four wards of the study area. A structured interview schedule was used for data collection. Both percentages and...
Article
Full-text available
This study examined the factors influencing the choice of information and communication technology (ICT) tools used in tomato marketing by smallholder farmers in Kirinyaga County, Kenya. Households were selected through a combination of purposive, two-stage stratified and probability proportionate to size sampling techniques. The study employed Sem...
Article
Full-text available
Development in Sub-Saharan Africa (SSA) is adversely affected by climate change and variability due to the dependence of its economies and livelihoods primarily on rain-fed agriculture. Agro-advisories boost informed decision-making as well as planning of farm activities. The purpose of this study was to characterize the pathways through which farm...
Article
Full-text available
This study evaluated the effect of participation in factory contracted services on the profitability of smallholder sugarcane farmers inMalava Sub-county in Western Kenya. Primary data were collected using structured questionnaire from a sample of 384 farmers usingsystematic random sampling and proportionate sampling. Analysis of variance was appli...
Article
Full-text available
This study evaluated the effect of participation in factory contracted services on the profitability of smallholder sugarcane farmers in Malava Sub-county in Western Kenya. Primary data were collected using structured questionnaire from a sample of 384 farmers using systematic random sampling and proportionate sampling. Analysis of variance was app...
Article
Full-text available
Despite the increase in area under coffee in Kenya in the last decade, productivity has been on the decline. Numerous production technologies have been developed through on-station research but there has been limited on-farm research to assess the impact of these technologies at the farm level. On the other hand, smallholder farmers are endowed dif...
Article
Full-text available
Sorghum a s a drought tolerant crop provides an alternative opportunity towards increasing food production in the face of global climate change, mostly affecting Sub-Saharan Africa. Kenya is in the fore front in increasing the production of sorghum since its landmass is 80 percent arid and semi-arid. Few studies have evaluated farm and farmer relat...
Preprint
This work covers the dissemination of climate change adaptation information in arid and semi-arid regions of Kenya with the aim of improving the adaptive capacity of smallholder farmers through dissemination of well package technologies referred to as agro-advisories.
Preprint
This work covers the dissemination of climate change adaptation information in arid and semi-arid regions of Kenya with the aim of improving the adaptive capacity of smallholder farmers through dissemination of well package technologies referred to as agro-advisories.
Article
Full-text available
Purpose The purpose of this paper is to investigate the role of transactional costs on smallholder avocado farmers’ participation in the export market and the extent of participation in Murang’a County, Kenya. Design/methodology/approach Data was collected from 384 avocado farmers in Murang’a County, following stratified sampling. The Heckman two-...
Article
Full-text available
The study was conducted to assess tomato productivity and determine characteristics that influence technical efficiency among smallholder farmers in Kirinyaga County using the production function approach. Data were collected by administering structured questionnaires to a sample of 384 respondents randomly selected from six wards using multistage...
Article
Full-text available
The productivity of sorghum in Kenya is on decline despite sorghum being one of the suitable crops for the arid and semi-arid areas commonly found in Kenya. The study therefore aimed at establishing the effect of the selected socioeconomic factors on sorghum productivity using a case of small-scale farmers in Siaya County. The four sub-counties con...
Article
Full-text available
Aim: To determine the effect of urban development on agricultural resources in peri-urban areas of Embu town. Study Design: Descriptive survey design involving observational and survey methods. Place and Duration of Study: The study was carried out in three sub-locations lying within the peri-urban areas of Embu town, namely, Kamiu to the East, Nju...

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