Welcome to SUAIRE

Sokoine University of Agriculture  Institutional Repository (SUA IR). This repository was built and is maintained by the university library  (Sokoine National Agricultural Library-SNAL) , in order to collect, preserve and disseminate scholarly output generated by University research community (staff and students) members.

This repository hosts a variety of openly accessible materials including: scholarly articles and books, theses and dissertations, conference proceedings and technical reports. For assistance about depositing your research output in the repository click here. SUA IR Policy  click here or any queries contact us at snal@sua.ac.tz.

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Recent Submissions

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AN assessment of NGO’S contribution to agricultural extension in Moshi rural district
(Sokoine University of Agriculture, 2001) Lyatuu, Uraru Anamensa Mashuo
Over the past decade there has been a rapid evolution of NGOs in Tanzania, an indication that the services provided by the public sector do not satisfy the needs of the community. This study sought to investigate and assess the contribution of NGOs in providing agricultural extension in terms of logistic support, training and supervision in Moshi Rural District. The specific objectives were (a) To determine the institutional functioning of NGOs in terms of organisational structure, status and inter-relationships with government and donors, (b) To explore the operational procedures in terms of approaches, methods and media and (c) To identify the factors associated with effectiveness or lack of effectiveness of NGOs in Moshi District. The study used a cross-sectional design that employed a survey method. The survey population comprised of farmers aged 21 years and above who get extension services from KEDA and Saint Vincent de Paule. These farmers were representative of households which are immediate clients of these NGOs. Instrumentation included the design of questionnaires which were used to interview the sampled farmers and structured interview schedule administered to relevant authorities. The questionnaires were pretested in four villages. Data were collected from four selected villages in Moshi Rural District by means of questionnaires and a structured interview schedule. A random sample of 15 respondents was picked from each village using a list of farmers from the villages, thus, the sample size was 60 respondents. The findings of the study show that eighteen per cent of the respondents attended meetings organised by the NGOs while 8.4% attended meetings organised by other organisations. The study also shows that 16.6% and 6.6% of the respondents attended field days and study tours. According to the findings it is concluded that the NGOs have been efficient for the fact that they have well defined organizational structure, operational procedures and are effective in disseminating technologies to farmers. It is therefore recommended that NGOs be encouraged especially in terms of operational procedures, formation of more groups and rehabilitation of infrastructures.
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Assessment of school libraries status under secondary education development plan in Dodoma municipality
(Sokoine University of Agriculture, 2011) Mgina,Stephen
This study assessed school libraries status under Secondary Education Development Plan (SEDP). Main objective of the study was to determine the status of secondary school libraries in Dodoma Municipality as any element that support and enhances the quality of education. A survey using descriptive statistics research design was applied to find the simple means and show the linkage between the study variables; questionnaires, observations and interview schedule were used to collect data. Major findings ofthis study revealed that SEDP has largely not helped schools to establish or improve their libraries. It was found that majority of the schools (64%) had no libraries while five (31%) libraries were found to have independent building structure, some library rooms are used for other purposes and this becomes difficult to have a common place of keeping books and other information resources. It was also revealed that even where there is a library, 37% ofthem did not allocate specific time to their students and that were therefore seen to be closed most of the time; about 56% of the school with libraries had no fulltime-qualified school librarian while text, reference and supplementary books were few. Findings further revealed that a significant number (66%) and (93%) of teachers and students respectively had positive attitudes towards library use, although their environment did not favors them to utilize library services fully. The study also realized that, government, teachers and other stakeholders have done little to sensitize and encourage parents, community and Non Governmental Organization to participate in improving secondary' school libraries. This study therefore recommends that, SEDP should prioritize school libraries development as an important aspect for achieving quality education; through participatory framework. The community should take responsibility and share the burden of construction and equipping school libraries; school librarian should be trained and recruited to manage libraries. Libraries should also be supported to have adequate space and to acquire wide variety of educational and recreational resources together with support of teachers and adequate space
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Potential and limitations of contract farming for tea outgrowers of east Usambara: the case of Amani division,Muheza district
(Sokoine University of Agriculture, 2014) Nkalange,Rajabu Hussein
A study was conducted at Amani division in Muheza District, Tanga from 2011 to 2012 to find out the potentials and limitations of contract fanning for tea out growers of East Usambara. The survey was conducted in three wards of Amani division which were Mbomole, Amani and Zirai where villages included in this study from these wards were Kwcmwewe, Sakale, Mlesa, IBC-Msasa, Makanya, Antakae and Zirai. Therefore a sample of 120 respondents was used to accomplish this study. The respondents were interviewed by using well-structured questionnaire so as to obtain primary data. However, a checklist was used to gather additional information from key informants and Focus GroupDiscussion (FGD) where observation of farmers circumstances was done by the researcher and a research assistant. Secondary data were obtained from official reports such DALDO’s office-Muheza, Malikitanda Tea Research Institute (TRIT-Malikitanda), Sokoine National Agricultural Library (SNAL), Department ofAgricultural Education and Extension(DAEE),Ministry of Agriculture, Food Security and Cooperatives (MAFC). The analysis of data was done by using Statistical Package for Social Sciences (SPSS). Descriptive statistics was done to analyze data so as to find the sample means and percentages for studied variables and it was also used for drawing frequency distribution graphs and tables. The findings from the study revealed that there was potentials which exist to Amani tea out growers producing under contract farming despite ofthe limitations under the contractual arrangement. However the findings have revealed that farmers have engaged in tea out growing due to availability of market for their produce and fringe benefits they acquire when producing under contract. Therefore contract farming can provide a win win situation though wins most is not always predictable.
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Impact of irrigation on poverty reduction: a case of rice irrigation scheme in Ulanga district
(Sokoine University of Agriculture, 2009) Mhina,Catherine
The overall objective of this study was to assess the impact of irrigation on rice productivity and its implication on poverty reduction in Minepa Scheme in Ulanga District. In order to compare the relative impact of irrigation, cross sectional data were collected from a sample of 44 irrigating and 57 non-irrigating rice farmers. A structured questionnaire was used to collect the required data. Results indicate that compared to rainfed farming. Gross Margin analysis further indicates significantly higher margins among irrigators than non-irrigators at (p<0.05). In addition to that, linear regression (OLS) results show that participation in irrigation increased rice relationship between farm size and farm output while off-farm incomes and incomes from competing crops appeared to have a significant (p<0.01) negative relationship with rice production. Furthermore, education level, farm type, household size, numbers of extension service visits increased significantly (p<0.01) the rice output thus farm income. However, increased number of dependants was seen to be significant but negatively associated with rice production. The study concluded that irrigation has an eminent positive impact on rice productivity and hence on income needed to reduce poverty among rice producers. Based on the findings, the study recommends for a wider promotion of smallholder irrigation schemes through increased public investment and technology transfer, establishment of standard thus helping in income poverty reduction. pricing and measurement systems for paddy and increase of paddy production under irrigation as a way of improving farm productivity and increased farmers’ incomes
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Revisiting chemical and microbiological quality and safety of fish and fish products
(Science Publishing Group, 2025) Issa-Zacharia,Abdulsudi; Msangi,Riziki Salehe; Mboya,Goodchance Revingstone
Fish and fishery products constitute a primary global food source, providing essential protein and nutrients. Ensuring their safety and quality throughout the supply chain is paramount. The safety and quality of fish and fish products are paramount considerations in the global food industry but their quality and safety may be compromised at various stages of transport, handling, and processing. The major contaminants of fish and fish products are chemical and microbiological in nature. Chemical contaminants commonly found in fish, including heavy metals, pesticides, and persistent organic pollutants which pose significant risks to consumers. Microbiological contaminants are both pathogenic and spoilage microorganisms such as Salmonella, Listeria monocytogenes, and Vibrio spp which are often implicated in foodborne illnesses associated with seafood consumption. This review synthesizes current knowledge on the chemical and microbiological contaminants facing the fish industry while advocating for enhanced regulatory frameworks and sustainable practices to ensure consumer safety as well as modern methods for detecting these microorganisms, including molecular techniques like PCR (Polymerase Chain Reaction) and biosensors that enhance detection sensitivity.