E-Dissertationen: Suche
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The roles of nutrition-sensitive interventions and market access in enhancing household food security and resilience in Sierra Leone
(2021-05-17)
Using Sierra Leone – a post-conflict country in West Africa – as a case study, this dissertation addresses pressing issues on how to make smallholder agriculture more nutrition-sensitive, mitigate the adverse effects of ...
Options for sustainable agricultural intensification in maize mixed farming systems: explorative ex-ante assessment using multi-agent system simulation
(2021-02-17)
Nutrient depletion is a major limiting factor to agricultural sustainability in cereal dominated smallholder farming systems in Africa where over 80% of arable land is unsuitable to support primary productivity. This ...
Yield, productivity and technical gaps that limit the cotton agricultural production system in the Colombian Caribbean
(2022-03-29)
This thesis contributes to understanding factors related to production situations in agricultural systems of the Colombian Caribbean using decision analysis. Decision analysis has numerous advantages when it is used for ......
Diese Arbeit trägt zum Verständnis von Produktionssituationen und Ertragslücken in landwirtschaftlichen Systemen der kolumbianischen Karibik unter Verwendung der Entscheidungsanalyse bei. Die Entscheidungsanalyse hat ......
Diese Arbeit trägt zum Verständnis von Produktionssituationen und Ertragslücken in landwirtschaftlichen Systemen der kolumbianischen Karibik unter Verwendung der Entscheidungsanalyse bei. Die Entscheidungsanalyse hat ......
Uranium accumulation in agricultural soils as derived from long-term phosphorus fertilizer applications
(2021-03-04)
It is well known that uranium (U) in mineral phosphorus (P) fertilizers may accumulate in agricultural soils; yet, this U accumulation occurs at different rates, likely depending on the type of fertilizer used. To substantiate ...
Concepts for the assessment and improvement of animal welfare during stressful and painful management procedures with a focus on piglet castration
(2021-09-06)
The welfare of farm animals is a topic of rising importance to consumers and livestock owners. Many procedures that are routinely performed in young livestock, for example the surgical castration of piglets, are considered ...
Interlinkage between food prices and agricultural wages and implications for farm mechanization in Bangladesh
(2021-12-01)
In recent decades, Bangladesh’s economy has undergone a remarkable structural transformation. Agricultural wages are becoming high while staple food prices are becoming volatile. In the meantime, agriculture has experienced ...
Evaluating rice performance in contrasting East African wetlands using an experimental and modelling approach
(2021-10-07)
Rice (Oryza spp.) has become an important staple food and cash crop across East Africa, and is now playing a pivotal role in regional food security and national economies. Since regional rice yields remain low, intensification ......
Reis (Oryza spp.) hat sich in ganz Ostafrika zu einem wichtigen Grundnahrungsmittel und Cash-Crop entwickelt und spielt heute eine zentrale Rolle für die regionale Ernährungssicherheit und Volkswirtschaften. Da ......
Reis (Oryza spp.) hat sich in ganz Ostafrika zu einem wichtigen Grundnahrungsmittel und Cash-Crop entwickelt und spielt heute eine zentrale Rolle für die regionale Ernährungssicherheit und Volkswirtschaften. Da ......
Effects of different milk replacer feeding levels during a 14-week preweaning phase in heifer calves: Characterisation of the oxidative status and the mammary gland development by ultrasound imaging
(2022-03-15)
The development of dairy heifer calves and especially their mammary glands is crucial for the productivity of the future dairy cows. Conventional rearing of dairy heifer calves is still based on restrictive milk or milk ...
Modelling the dynamics of land use & intensification in the Kilombero Valley, Tanzania
(2021-06-17)
This thesis intends to examine the determinants and results of farmer’s decisions to uptake different paths of intensification, land use, and its dynamics over time by building a spatially and temporally explicit agent-based ...
Strategien zur Steigerung von Biodiversität in der Landwirtschaft
(2022-02-14)
Diese kumulative Dissertation analysiert verschiedene Strategien zur Steigerung der Biodiversität in der Schweizer Landwirtschaft. Leitgebend für die Forschung waren dabei die folgenden Fragen: Wie kann Biodiversität in ...