E-Dissertationen: Search
Now showing items 611-620 of 751
Development of a new method to identify parameters affecting the microbial reduction in domestic dishwashers
(2021-07-29)
The purpose of dishwashing is to clean the items used. In addition to the removal of food residues, the aim is to reduce microbial contamination on dishes and cutlery so that it is reduced below the infectious dose.
Sustainability performance of organic and conventional farming systems in Kenya: Murang'a, Kirinyaga and Machakos Counties
(2022-03-17)
The concept of sustainable farming systems focuses on the need to develop techniques and practices that have positive effects on social outcomes, the environment, and food productivity. In Africa, there are limited empirical ...
Fütterungsstrategien zur Optimierung der Energie- und Nährstoffversorgung laktierender Milchkühe
(2020-09-01)
Eine effiziente Nutzung von Energie und Nährstoffen spielt nicht nur vor dem Hintergrund einer bedarfsdeckenden Versorgung der Kühe, sondern auch im Hinblick auf die Umweltwirkung und die Wirtschaftlichkeit der Milchkuhhaltung ...
Towards improved process representation for modelling CO2 and H2O fluxes of crops
(2022-05-30)
Exchange rates of CO2 and H2O between vegetation and the atmosphere are strongly linked by stomatal functions and crop growth. Crops under drought stress show different responses, such as stomatal ...
Patterns of Urbanization and Economic Development: Evidence from household surveys in Ethiopia
(2022-05-17)
Countries in sub-Saharan Africa (SSA) are urbanizing at an unprecedentedly fast rate. This trend has the potential to affect the welfare of households by altering the degree of urban proximity as well as the size of the ...
Ecological sanitation via thermophilic co-composting of humanure and biochar as an approach to climate-smart agriculture
(2022-06-01)
Lack of basic sanitation and appropriate waste management, limited access to mineral and organic fertilizers, and land degradation are major public health and food security challenges, particularly in developing regions ...
The serum proteome and metabolome of dairy cows clustered for body fat content from a large dairy herd
(2022-06-20)
The transition from late pregnancy to early lactation implies metabolic and endocrine changes for accomplishing the adaptation to the rapid increase of milk production. Voluntary feed intake can usually not cover the energy ...
Improving animal welfare on dairy farms with special emphasis on calf management
(2022-06-17)
Livestock welfare, including dairy cows and calves, has gained importance for society, politics, and agriculture over the last decades. Providing kept animals with a high level of animal welfare requires the implementation ...
Role of root plasticity in response to soil compaction in sorghum
(2022-06-17)
Compacted soils limit crop production and affect millions of hectares of agricultural land globally. Plants vary in tolerance to soil compaction and roots express various plastic responses. Unfortunately, the importance ...
Resource-efficient feeding of fattening pigs based on body composition related performance groups: Studies on technical and environmental aspects
(2021-10-26)
Livestock husbandry is increasingly confronted with the growing demands for more animal welfare and better environmental protection. As the largest component of agricultural animals in meat production, fattening pig husbandry ...