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Dissertation Untersuchung der Eignung alternativer Putenherkünfte für ein ökologisches Haltungssystem 

Olschewsky, Anna (2019-03)
Dissertation Anna Olschewsky 2019: Untersuchung der Eignung alternativer Putenherkünfte für ein ökologisches Haltungssystem Obwohl der Anteil ökologischer Putenhaltung in Deutschland mit weniger als 2 % vergleichsweise gering ist, erfährt die Branche insbesondere wegen des Einsatzes schnell wachsender konventioneller Linien und teilweise hohen Prävalenzen verschiedener leistungs- und hal-tungsbedingter Krankheiten Aufmerksamkeit. Zum Umfang dieser Probleme bei alternativen langsamer wachsenden Putenherkünften ...
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Dissertation Litter quality, temperature, and soil water content as drivers of decomposition and respiration in a long-term tillage trial 

Faust, Sibylle (2019-08)
For sugar beet cultivation in most parts of central Europe especially water erosion is a serious problem, as for in the beginning of the growing season in late spring inherent to the cultivation system large soil areas of bare soil are left poorly protected up to the time when the plants are closing in the rows (beginning of crop covering; phenological growth stages of BBCH 31 - 39) (Koch et al., 2009). Non-inversion tillage systems are an effective measure for reducing erosion risks by diminishing soil compaction ...
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Dissertation Using Optical Satellite Imagery to Monitor and Understand Agricultural Land-cover Change 

Kyere, Isaac (2020-06)
The activities of humans have transformed the earth over the last decades. The transformation is estimated to increase further in response to the growing world population. This has caused many countries to devise means to utilize resources sustainably. Bio-economy is seen as a means to reduce the high reliance on fossil materials and ensure the provision of raw materials, energy and food to the increasing world population in a sustainable manner. However, the rising demands for biomass to produce bioenergy have relied ...
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Dissertation Upgrading Starchy Staples for Tackling Malnutrition in South-West Ethiopia 

Forsido, Sirawdink Fikreyesus (2018)
Child undernutrition is a critical public health challenge in Ethiopia. One of the immediate causes of child undernutrition is inadequate dietary intake as a result of relying on one or few starchy staples. Utmost attention should be given to improving diets of infants and young children if significant and fast changes are to be seen in the reduction of undernutrition. This dissertation examines the potentials of utilising appropriate food processing technologies for developing upgraded food products for infants and ...
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Dissertation The role of price in consumers’ purchase decisions on organic food 

Rödiger, Manika Sarah (2018-05)
Trotz des über die letzten Dekaden anhaltenden Wachstums des Marktes für ökologische Lebensmittel bleibt der Sektor hinter seinem Potential zurück. Als wesentlicher Grund hierfür wird häufig der Preis von Öko-Lebensmitteln genannt, der von Konsumenten als zu hoch empfunden wird. Der derzeitige Stand des Wissens bietet jedoch kein klares Bild über das Verbraucherverhalten in Bezug auf den Preis von Öko-Lebensmitteln. Das Ziel dieser Dissertation ist daher, Erkenntnisse zur Preissensitivität von Verbrauchern bei ...
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Dissertation Analysis of key pungent compounds in mustard products: A comparison of sensory and chemical–analytical determinations 

Eib, Sabrina (2020)
The consumption of mustard, horseradish and wasabi is characterized by a pungent sensation and lachrymatory effect primarily induced by allyl isothiocyanate (AITC). This study aimed to check the possible correlation between sensory-perceived pungency and the quality-determining pungency-inducing ingredients of mustard. Primarily, the detection thresholds of sinigrin in a water-based matrix and AITC in water- and oil-based matrices were determined in a prestudy and a main study. In the prestudy, the resulting value ...
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Dissertation A systems approach to understanding post-harvest losses: Insights from a case study of the pineapple value chain in Uganda 

Tröger, Stephanie Katharine (2019-03)
Trotz zahlreicher Anstrengungen gehen weltweit große Mengen an Lebensmitteln nach der Ernte verloren. Insbesondere in Situationen mit begrenztem Zugang zu Ressourcen stellt die Identifizierung geeigneter Maßnahmen eine große Herausforderung dar. Entgegen der klassischen Herangehensweise, die oft technisch orientiert ist, verwendet diese Dissertation einen akteursorientierten und systemischen Ansatz. Dies ermöglicht, die Perspektiven der Akteure zu berücksichtigen und ein kontextabhängiges Verständnis für den Umgang ...
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Dissertation Using crop genetic diversity to improve resilience: Agronomic potential of evolutionary breeding under differing management systems 

Weedon, Odette Denise (2019-03)
Mainly within organic and low-input cropping systems, evolutionary breeding based on the creation of heterogeneous evolving composite cross populations (CCPs) has been gaining attention. The aim of this dissertation is to assess the agronomic potential and yield stability of wheat CCPs in comparison to pure line varieties under differing management systems. Three winter wheat CCPs were created in the UK in 2001, based on parental varieties that were selected for either their high yield or baking quality. The baking ...
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Dissertation Robustness of portable and laboratory-based visible/near- and mid-infrared spectroscopy for optimized determination of temporally and spatially variable soil properties 

Greenberg, Isabel (2021)
Application of visible/near- (VISNIRS) and mid-infrared (MIRS) spectroscopy to the field of soil science is promising, as it allows information about a range of properties to be collected simultaneously and rapidly, thereby providing high spatial and temporal resolution data for use in, e.g., soil mapping, precision agriculture, and long-term monitoring. However, investigation of the conditions under which visNIRS and MIRS can replace traditional lab methods is required, as the accuracy, robustness, and efficiency ...
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Dissertation Green food consumption: Studies on consumers’ purchase intentions and the intention-behaviour gap in the Chinese context 

Qi, Xin (2021)
With the growing problem of the global environment and exposure to various food safety incidents, consumers are increasingly concerned about the environment as well as the safety and quality of food products. Therefore, growing calls for safe, healthy, environmentally friendly, and sustainable food consumption have been growing. As one of China’s most successful ecolabelling programs, green food has shown great potential for further expansion among Chinese food consumption. This doctoral research has taken consumers’ ...
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