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Le dépôt numérique grenier du savoir du Burundi est une collection de documents scientifiques produits par les chercheurs de l'Université du Burundi, y compris des mémoires, des thèses, des revues, des articles, des rapports techniques, etc. Il s'agit du dépôt institutionnel officiel de l'Université du Burundi

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Grenier du Savoir du Burundi

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Essais de valorisation des déchets solides ménagers biodégradables de la ville de Bujumbura par compostage.
(UB, FS, 2022-03)
Nkurunziza, Emery
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Sous la direction de : Prof. Ntakarutimana, Vestine
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Prof. Bigumandondera, Patrice
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M.sc. Rucakumugufi, Daniel
The problem of solid wastes in Bujumbura Capital is acute following the pace of its galloping demographic evolution and growing urbanization which are the cause of the increase in waste. This study of composting household solid waste generated in Bujumbura city was conducted in order to contribute to the protection of the environment through the recovery of the organic fraction of household solid waste into a quality organic fertilizer. To carry out this study, two kinds of windrow (A1 and A2) have been developed based on bush straw, grass clippings, peelings mixed with adjuvants consisting of cow dung (A1) and hen droppings (A2). A physicochemical characterization was carried out in order to determine the amount of each component necessary to form an initial C/N ratio of 30 for the two windrows. The process of composting by turning the aerated windrows was chosen and the process lasted 70 days. For windrow 1, the total organic matter (TOM) content of composted waste is 86.54%. Analysis of the different physico-chemical; microbiological, biological and agronomic parameters of the compost obtained from windrow 1 after 70 days reveal the following values: TOC (15.24±0.15 %); TOM (C1: 33.55±1.31 %); NTK (C1: 1.19±0.05 %); C/N (12.82); pH (8.8); P (1180.61±51.72 ppm); N+P+K (C1: 2.70±0.00 %). For windrow 2, the total organic matter (TOM) content of composted waste is 86.49 %. Analysis of the different physicochemical; microbiological, biological and agronomic parameters of the compost obtained from windrow 2 after 70 days reveal the following values: TOC (15.85±0.17 %); TOM (37.56±1.02 %); NTK (1.19±0.05 %); C/N (14.28); pH (8.4); P (1150±46.48 ppm); N+P+K (2.68±0.05 %). The average germination indices of corn and peanut seeds applied to 25% and 75% compost extracts (IG25 and IG75) are greater than 50%. The lead, nickel, cobalt and manganese contents are respectively 4 mg/kg; 3.58mg/kg; 3.57 mg/kg and 124 mg/kg. The growth rate of the amaranths applied to the D25% and D50% doses is higher than that of the control with a high growth rate for the application of the D25% dose. All these values are within the range of values appreciable by compost quality standards and show that these composts have a good quality and could improve soil fertility.
L’observance des mesures-barrières de la COVID-19 et le quotidien des Burundais
(UB, FLSH, 2022-02)
Nshimirimana, Abel
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Sous la direction de : Pr. Jean Marie Nduwayo
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Dr. Rénovate Irambona
Pandemic prevention programmes in general and contagious diseases in particular must be incorporated in the social, cultural, economic and political structures of the social space in which they take place. In this context, popular knowledge and beliefs, socially shared practices and socio-political structures according to the health are privileged objects by socio- anthropology. So, in this research, we looked at these aspects in the context of covid-19, seeking to understand the non-compliance with the barrier measures of the pandemic in relation to the daily life of Burundians. This work shows that religious beliefs associated with the presumption of conspiracy and giving rise to a kind of social disempowment, the minimization of the pandemic and its assimilation to other infections leading to self-medication and use of alternative medicine, make the web of popular beliefs and knowledge detrimental to compliance with covid-19 barrier measures. Also, the disinterest in hygiene practises, the physical contacts by greeting gestures associated with their symbolic relational sense, the collective events and the fear of a deviant connotation taking on the barrier gestures of a ritual character, it removes the rational aspect of the observance of the barrier-measures and causes the slightest adherence to them to be relaxed and its persistence over time to require coercitive force. Finally, the diversity and complexity of economic activities associated with high economic dynamism, restrictive living and working conditions, the interweaving of political and medical discourse having enormous effects on collective behaviour, to the extent that there are certain contradictions between these discourses and where they are confronted by other discourses with varied contents as a result of the preponderance of mass communication through social networks, are factors of non-compliance with the measures-barriers to Covid- 19. However, the aspects identified in this research may contribute to the design of other research objects, but also professionally to the development of health crisis management programmes involving social, cultural and organizational realities and, downstream, to a gradual transformation of certain habits likely to affect the prevention of contagious diseases.
Analyse des dynamiques du genre dans les interactions enseignant-élève
(UB, FLSH, 2025-01)
Ngendakumana, Christophe
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Sous la direction de: Dr Melchicedec Nduwayezu
The study focuses on the teacher-student relationship: an analysis from a gender perspective. It is an investigation conducted in the Mukaza commune, specifically at the Mutanga Municipal High School. Our work aims to explore the interactions that occur between teachers and students when viewed through a gender lens. It is structured around three objectives: 1. To show how daily interactions between teachers and students are marked by gender. 2. To discover what leads teachers to perceive the discourse and gestures of girls and boys differently. 3. To analyze teachers' behavior in response to the performances/failures of girls and boys. Our work is situated within a qualitative approach. We utilized data collection techniques such as semi-structured interviews and direct observation. The sources of information were divided into three categories: written documents, electronic sources, and oral sources. The field results first indicate that school is a space for the production and reproduction of gender stereotypes. This is evident through daily interactions between teachers and students, where certain students, depending on their gender, experience injustice, discrimination, and inequality. Furthermore, a double standard seems to characterize teacher-student relationships: the same behavior is perceived differently depending on whether it is exhibited by a girl. This sometimes leads to poor student-teacher relationships. Finally, the field data also show that masculine desirability or the gendered relationship to transgression continues to influence the judgment of girls' and boys' behaviors.
Optimisation de la fertilisation phosphatée et effet d’un tricompost sur le rendement de la pomme de terre (solanum tuberosm) sur sol acide au Burundi
(UB, EANSI, 2026-07)
Nkurunziza, Emery
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Sous la direction de : Dr Ir Ndikumana Déo
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Ntahimpera, Domine, MSc
Potato (Solanum tuberosum L.) is one of the most important food crops in Burundi due to its high nutritional value, short production cycle, and significant contribution to food security and household income. Nevertheless, potato yields achieved by smallholder farmers remain far below the crop’s production potential because of declining soil fertility, inadequate nutrient management, climatic variability, and increasing pressure from pests and diseases. In this context, the present study aimed o evaluate the effect of different levels of phosphate fertilization, combined with the application of a tricompost, on the growth and yield of potato (Solanum tuberosum L.) grown on acidic soil in Burundi, in order to identify the optimal combination to sustainably improve the productivity of this crop. The experiment was conducted at the Karusi Regional Research Station using a randomized complete block design with eight treatments and three replications. The treatments consisted of different combinations of cattle manure, COEJEBU compost, mineral NPK fertilizers, and dolomite. Agronomic parameters assessed included plant height, number of stems per plant, total number of tubers, number of marketable large tubers, and tuber yield. The results showed that integrated fertilization significantly improved potato growth and productivity compared with the control treatments. The highest performances were obtained with cattle manure combined with NPK 60-90-60 plus dolomite (T3) and cattle manure combined with NPK 60-75-60 plus dolomite (T4), which produced yields of 6,291.04 kg ha⁻¹ and 6,202.43 kg ha⁻¹, respectively. These treatments also recorded the highest values for plant height, stem number, and production of large tubers. The treatment consisting of COEJEBU compost combined with NPK 60-90-60 and dolomite (T8) achieved an intermediate yield of 5,526.88 kg ha⁻¹, highlighting the potential of locally produced compost as a sustainable alternative for improving soil fertility and crop productivity. The findings demonstrate that integrated nutrient management enhances nutrient availability, stimulates vegetative growth, and significantly increases potato yield. However, the yields obtained remained considerably lower than the varietal potential estimated at approximately 30 t ha⁻¹, indicating the influence of additional limiting factors such as rainfall deficits, pest and disease incidence, inadequate water management, and seed quality constraints. Overall, integrated fertilization represents an effective and sustainable strategy for improving potato production in former Karusi Province and offers promising opportunities for strengthening food security and farmers’ livelihoods in Burundi.
Religion and Sexual and Reproductive HealthPolicyinBurundi
(Springer Nature Switzerland AG, 2026)
Sentamba, Elias
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Nsavyimana, Yves Jacket
Faced with multifaceted challenges in the area of sexual and reproductive health, such as teenage pregnancies in schools, gender-based violence, early marriages, low adherence to family planning, very high fertility rates, among many, the Burundian government has since 2007 undertook a national reproductive health policy. The policy is based on eight components, including (to focus on what is most relevant to us): family planning, prevention and treatmentofabortions,preventionandtreatmentofSTIsandHIV/AIDS,andpromotionofRHamongyoungpeopleandadolescents,etc.However,theimplementationprocessofthesaidpolicyremainsachallenge.Theministriesinchargeofhealthandeducation,respectively,advocatemoderncontraceptivemethodsandsexualityeducationin