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Now showing items 196-215 of 2257
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Bio-efficacy evaluation of long-lasting insecticidal nets after five years of storage: implications for malaria control programmes
(NM-AIST, 2020-03)Long Lasting Insecticidal Nets (LLINs) are the most sustainable and effective malaria control tool currently available. Global targets are for ≥80% of the population living in malaria endemic areas to have access to and ... -
Bio-herbicide potential of naturalised Desmodium uncinatum crude leaf extract against the invasive plant species Parthenium hysterophorus
(Springer Nature Switzerland AG, 2019-08-16)The exotic plant Parthenium hysterophorus is rapidly invading ecosystems in sub-Saharan Africa, with negative effects on the environment, economy and human and animal health. With the exception of some synthetic herbicides, ... -
Bioaccumulation and distribution pattern of heavy metals in aquaculture systems found in Arusha and Morogoro regions of Tanzania
(Taylor & Francis Group, 2020-08-20)The assessment of the current distribution and concentrations of As, Pb, Hg, Cd, and Cr in farmed catfish and tilapia, fish feed, and pond sediment in Tanzania is important in order to establish the potential dietary ... -
Biochar as a feed additive for improving the performance of farm animals
(Malaysian Journal of Sustainable Agriculture (MJSA), 2020-03-10)Biochar, also known as biomass-derived char or charcoal is a dark/black carbonaceous material generated from the pyrolysis process under temperature averagely 700 0C and low oxygen levels. Depending on the intended ... -
Biochemical and agro-morphological characterization of wild, under-exploited vigna species and their utilization
(NM-AIST, 2020-05)According to the Food and Agriculture Organization (FAO) of the United Nations recent report, the immense challenge of achieving the Zero Hunger target by 2030 is still persistent. Therefore, the search for alternative ... -
Biodiesel production by sulfated mesoporous titania–silica catalysts synthesized by the sol–gel process from less expensive precursors
(Elsevier, 2012-11-21)A sulfated titania–silica composite (S-TSC) was obtained through surface modification of mesoporous titania–silica composite synthesized using less expensive precursors; titanium oxychloride and sodium silicate as titania ... -
Biodiesel production from parinari curatellifolia seeds oil using basic heterogeneous catalyst derived from tamarindus indica fruit shells
(NM-AIST, 2019-03)Biodiesel is an alternative fuel to mineral diesel. It is produced from abundant and easily available renewable resources of animal fats and vegetable oil. However, the cost of oil feedstock is the major obstacle towards ... -
Biodiversity and ecosystem services−A case study for the assessment of multiple species and functional diversity levels in a cultural landscape
(Elsevier B.V., 2017-04)The expansion of large-scale plantations has a major impact on landscapes in the Tropics and Subtropics. Crops like soy bean, oil palm and rubber have led to drastic changes in land cover over the past decades, thereby ... -
Biogas slurry derived mesoporous carbon/metal oxides composites for supercapacitors application
(NM-AIST, 2017-12)With the increasing utilities of intermittent renewable energies, hybrid electric vehicles and portable electronic devices, supercapacitors have been identified as one of the solution for energy storage since they can ... -
Biogas-slurry derived mesoporous carbon for supercapacitor applications
(Elsevier Ltd., 2017-09)This study reports on the transformation of biogas slurry into mesoporous carbon for supercapacitor electrodes. Pore structures have been modified by altering activation time, temperature and KOH/carbon mass ratio. The ... -
Biological control interventions and botanical pesticides for insect pests of crops in sub-Saharan Africa: A mapping review
(Frontiers in Sustainable Food Systems, 2022-07-28)Agricultural productivity can be increased sustainably in sub-Saharan Africa (SSA) by reducing crop losses due to insect pest damage. As an alternative to environmentally-damaging chemical pesticides, biological control ... -
Biological control interventions reduce pest abundance and crop damage while maintaining natural enemies in sub-Saharan Africa: a meta-analysis
(The Royal Society, 2022-12-07)Insect pests are a major challenge to smallholder crop production in sub-Saharan Africa (SSA), where access to synthetic pesticides, which are linked to environmental and health risks, is often limited. Biological control ... -
Biological properties and safety profile of extracts from locally grown banana leaves in Arusha, Tanzania
(NM-AIST, 2021-07)The current study assessed the biological properties and safety profile of extracts from locally grown banana leaves in Arusha (Tanzania) to affirm their possible use for wound dressing. Phytoconstituents screening ... -
Biology, predatory activity and peoples’perceptions towards apefly (spalgis spp.) in Tanzania
(2020-05)In June 2017, farmers in central and northern Tanzania reported the occurrence of what they called an unusual insect with a human-like facial appearance that they referred to as “Kidudu-mtu.” The reports prompted the ... -
Biomass-based carbon electrode materials for capacitive deionization: a review
(Springer Nature Switzerland AG., 2019-06-27)Capacitive deionization (CDI) is a promising water purification technology which works by removing salt ions or charged species from aqueous solutions. Currently, most of the research on CDI focuses on the desalination of ... -
Biomonitoring of Acetylcholinesterase (AChE) Activity among Smallholder Horticultural Farmers Occupationally Exposed to Mixtures of Pesticides in Tanzania
(Hindawi, 2019-09-11)Biomonitoring of pesticides exposure has currently become a matter of great public concern due to the potential health effects of pesticides. ,is study assessed levels of acetylcholinesterase (AChE) inhibition and associated ... -
Biomonitoring of pesticides exposure and the fate of pesticides use among smallholder vegetable producers in Tanzania
(NM-AIST, 2020-08)This study assessed drivers of increased and changing patterns of pesticide use, levels of Acetylcholinesterase (AChE) inhibition, associated health effects and co-exposure risks of pesticide residues and bacterial ... -
Bionomics of the African Apefly (Spalgis lemolea) as A Potential Natural Enemy of the Papaya Mealybug (Paracoccus marginatus) in Tanzania
(MDPI, 2020-04-14)The African apefly (Spalgis lemolea Druce) is a potential natural enemy of the papaya mealybug (Paracoccus marginatus Williams and Granara de Willink). We studied the life history of apeflies in the laboratory at a temperature ... -
Biopesticide efficacy of four plant essential oils against papaya mealybug, Paracoccus marginatus Williams and Granara de Willink (Hemiptera: Pseudococcidae)
(Heliyon, 2023-03-01)Worldwide, P. marginatus causes 75% of estimated economic loss in papaya farming, with an increase in production costs. The extract of plant essential oils (PEO) has the potential to control P. marginatus by degrading ... -
Biovar 2 of Ralstonia solanacearum Species Complex Causes Tomato Bacterial Wilt Disease in Tanzania
(Science Alert, 2020-03)Background and Objective: Bacterial wilt disease (BWD) caused by complex species of Ralstonia solanacearum (RSSC) has been categorized as one of the most significant plant diseases in the world. It is a serious problem ...