E-Dissertationen: E-Dissertationen: Recent submissions
Now showing items 381-400 of 1116
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Bioporengenese durch homo- und allorhize Kulturpflanzen: Einfluss auf das Wurzelwachstum der Nachfrüchte
(2018-11-08)Im Organischen Landbau ist ein tiefreichendes Wurzelsystem, das die Aufnahme von Wasser und Nährstoffen aus tiefen Bodenschichten ermöglicht, ein wichtiges Element zur Stabilisierung des Ertrags. Bioporen, durch Pflanzenwurzeln ... -
Decentralized energy in India and its synergies with Water-Energy-Food security (WEF) nexus
(2018-11-15)The majority of rural Indian households remain dependent on traditional, inefficient and harmful household energy technologies. Rural households make their energy decisions with respect to the Water-Energy-Food security ... -
Water, sanitation and agriculture linkages: impact on health and nutrition outcomes in peri-urban Gujarat, India
(2018-11-28)In the rural and peri-urban settings, where agriculture is one of the main sources of livelihood, the multi-purpose character of irrigation and drainage infrastructure creates several interlinks between water, sanitation ... -
Towards a more efficient and sustainable fertilization through recycling phosphorus as struvite
(2018-11-08)Food and water security are dependent on the sustainable use of phosphorus (P). However, there is no single solution for achieving a phosphorus-secure future. P recovered and recycled from current waste streams (like manure) ... -
Einfluss der Bewirtschaftungsintensität und Landschaftsstruktur auf die Diversität der Saltatoria und Hymenoptera (Bombus) von Mittelgebirgsgrünland
(2018-11-27)Grünland ist ein prägendes Element der Agrarlandschaft und zentraler Baustein der multifunktionalen Landwirtschaft. Unter anderem leistet es einen herausragenden Beitrag zur Erhaltung der biologischen Vielfalt. Die Quantität ... -
Effects of community-based health insurance on child health outcomes and utilisation of preventive health services: Evidence from rural south-western Uganda
(2018-10-23)With the renewed focus on health for all through universal health coverage, community-based health insurance has been proposed both as a building block for health systems financing and also providing financial protection ... -
Sustainable Agricultural Practices (SAPs) in Northern Ghana: Impacts on Welfare, Environmental Reliance, and Agricultural Land Expansion
(2018-10-22)Sustainable agriculture has become an important issue in the development-policy agenda in Sub-Saharan Africa (SSA), as a major avenue to simultaneously raise smallholder agricultural productivity and enhance climate change ... -
Performance assessment of a bamboo-drip irrigation system: a contribution to water productivity improvement West Africa
(2018-11-28)Despite its high efficiency and productivity potential in regions subject to scarce water supply, conventional drip irrigation is still expensive and therefore only being adopted slowly in West Africa where 80% of vegetable ... -
Long-term effects of childhood work on human capital formation, migration decisions, and earnings in rural Ethiopia
(2018-10-16)In Ethiopia, a quarter of children are child laborers, of which one in every three works full-time. Currently, more children than ever before also combine schooling with work. In addition, although net primary school ... -
Effects of warmer winters due to climate change on chilling and dormancy release of sweet cherry
(2018-10-16)The main objective was to contribute to dormancy research by one the one hand investigating the chilling and forcing requirements of sweet cherry trees in one of the major fruit growing regions in Germany and on the other ... -
Genome-wide-association studies (GWAS) on the interaction between the cyst nematode Heterodera schachtii and Arabidopsis thaliana
(2018-10-12)Plant-parasitic cyst nematodes are obligate sedentary parasites that infect the roots of a wide range of host plants. In research, the beet cyst nematode Heterodera schachtii infecting Arabidopsis thaliana is often used ... -
The Effect of Government Transfers on Poverty and Inequality: Three Different Perspectives about Decentralization and Social Policies in Bolivia
(2018-10-12)Poverty and inequality in Bolivia have reduced to a great extent in the last 20 years in Bolivia. There are mixed opinions regarding the role of the state in this overall positive result, and consistent evidence of state ... -
Allocation of Payments for Environmental Services through auctions & the role of social interaction
(2018-09-28)This thesis contributes to the study of the use of auctions in the allocation of contracts of payments for environmental services. The focus of the research is on the role of social interaction as a learning source for ... -
Farm-level impacts of policy instruments targeting plant protection products
(2018-09-25)Plant protection is necessary to achieve high yields with high quality. The application of pesticides, however, leads to negative external effects to the environment. Society calls for stricter agri-environmental instruments ... -
Investment and land-use decision under consideration of uncertainty
(2018-09-17)Investment and land use decisions pre-determine the distribution of other farm resources and thus constitute core farm activities. Investments at the farm level often include sunk costs, risks, returns-to-scale, investment ... -
The impact on meat quality of strategies to improve feed conversion efficiency in pigs and the functional networks underpinning the relationship
(2018-09-20)Feed efficiency (FE) is defined as a measure of efficiency in converting metabolizable energy acquired from macronutrients into body mass. The overall aims of this thesis were to identify genomic regions associated with ... -
Host acceptability, suitability, interaction and establishment of two introduced Liriomyza leafminer endoparasitoids: Halticoptera arduine (Walker) (Hymenoptera: Pteromalidae) and Chrysocharis flacilla (Walker) (Hymenoptera: Eulophidae) in Kenya
(2018-08-28)<em>Liriomyza</em> (Diptera: Agromyzidae) leafminers are pests of economic importance to the production of horticultural crops in East Africa. In the scope of a classical biological control program in East Africa, two ... -
The Ethiopian Agricultural Extension System and Its Role as a Development Actor: Cases from Southwestern Ethiopia
(2018-08-15)Smallholder agriculture forms the backbone of the Ethiopian economy, supporting the majority of the country's population. Since the late 1960s, the state has been actively pursuing agricultural extension as a key means of ... -
The role of local agroforestry practices for enhancing food and nutrition security of smallholding farming households: The case of Yayu area, south-western Ethiopia
(2018-08-15)When agriculture becomes focused on globally traded commodities, local nutrition may be at risk. The study tested this hypothesis in the coffee landscape of Yayu, south-west Ethiopia, by investigating the role of local ... -
Assessing land-use dynamics in a Ghanaian cocoa landscape
(2018-07-11)Ghana is one of the two West African nations that produce 60% of the World's annual 4 million tonnes cocoa. The Ghanaian cocoa industry is valued at US$ 2 billion and offers direct jobs to 800,000 farming families. Despite ...
