Browsing Fakultät für Agrarwissenschaften (inkl. GAUSS) by Title
Now showing items 591-610 of 903
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Nitrogen Efficiency of Winter Oilseed Rape and its Prediction by Hyperspectral Canopy Reflectance and Electrical Capacitance
(2016-07-01)Oilseed rape is the third most important oil crop worldwide. Under many conditions it is characterised by relatively low nitrogen efficiency. In Germany a nitrogen supply of 240 kg N ha 1 is aimed at which derives from ... -
Nitrous oxide from fungal denitrification - Pure culture and soil studies using stable isotope and microbial inhibitor approaches
(2014-12-17)The trace gas nitrous oxide (N2O) contributes to climate change as well as to the depletion of the ozone layer in the stratosphere. Agricultural soils account for about 70% of the high anthropogenic N2O ... -
Nutrition transition in the Indian rural-urban interface
(2021-07-27)While economic growth in many low- and middle-income (LMICs) has led to the reduction of poverty and undernutrition, some of these LMICs are undergoing a simultaneous increase in overnutrition and micronutrient deficiency. ... -
Nutrition transition in urban Kenya: The role of supermarkets and nutritional knowledge
(2017-08-08)Nutrition transition is described as a shift in demographic and epidemiologic patterns; fostered through economic development, globalization, urbanization, and technological improvements. Depending on the stage of transition ... -
Das Nutzererlebnis als Erfolgsfaktor im digitalen Vertrieb: Eine neuroökonomische und verhaltenspsychologische Untersuchung für den Absatz von Wein im Internet.
(2020-11-03)The aim of this research is to investigate the effect of emotions on shopping behaviour, attitudes and the perception of a wine selling online shop. In addition, the impact of individual web page elements on emotions and ... -
Nutzung phytobakterieller Gene zur Beeinflussung der pflanzlichen Apikaldominanz - Untersuchungen in transienten und induzierbaren transgenen Expressionssystemen
(2007-06-04)In this study, different transgenic expression systems were investigated for their influence on auxin/cytokinin balance in plants in order to break apical dominance and promote lateral shoot ... -
Objectives, management practices, and perspectives of small-scale private forest owners
(2024-01-11)Climate change and diverse societal demands ranging from resource use and recreation to biodiversity conservation are influencing forests today and have sparked an intensive debate about future forest management. One ... -
Occurrence and genetic diversity of Verticillium longisporum lineages in Europe and their interaction with oilseed rape, Brassica napus L.
(2022-09-22)The current threat that V. longisporum exerts on oilseed rape production, as well as the knowledge gaps in the biology of this pathogen, have motivated the performance of this study, which aimed to further characterize the ... -
Occurrence and Importance of Foliar Diseases on Maize (Zea mays L.) in Central Europe
(2018-07-09)In the last decade, the acreage of maize has increased continuously in Central Europe due to its high yield and diverse uses as food, feed and bio-energy. This has led to more intense maize cultivation in many regions with ... -
Occurrence and significance of Fusarium and Trichoderma ear rot in maize
(2020-10-23)Ear rots, caused by fungi, are among the most important maize diseases worldwide causing severe yield losses and a reduction of grain quality. Several toxigenic Fusarium species are known to cause yield losses and reduce ... -
Occurrence, spread and pathogenicity of different Beet necrotic yellow vein virus (BNYVV) isolates
(2007-12-19)Rhizomania (beet necrotic yellow vein virus, BNYVV) represents an important sugar beet disease, which is transmitted by the biotrophic plasmodiophoromycete Polymyxa betae. As long as the disease is not controlled it can ... -
Off-farm labor supply and various related aspects of resource allocation by agricultural households
(1998-01-02)This dissertation deals with off-farm labor supply of agricultural households in Germany in three different contexts of resource allocation; the farm labor supply behavior, the intrahousehold interdependence in time ... -
Oil palm expansion among Indonesian smallholders - adoption, welfare implications and agronomic challenges
(2015-05-29)Oil palm has become one of the most rapidly expanding crops throughout the humid tropics. Over the last two decades, the area under oil palm has almost tripled and its production more than quadrupled. This development is ... -
On the track of virus yellows resistance in Beta vulgaris - molecular tools and resistance mechanisms for disease management
(2024-04-19)The virus yellows (VY) diseases complex in sugar beet (Beta vulgaris subsp. vulgaris L.) has been an increasing problem for European beet cultivation since the ban on neonicotinoid seed treatment as it is caused by various ... -
On-site identification of animal species in meat products
(2021-07-12)The control of meat and its products is essential for sales and consumer protection. Due to personal preferences, but also religious and health reasons, the correct labelling is crucial. For meat species inspection, samples ... -
Open pulled straw vitrification of murine and caprine embryos and timed deep uterine insemination of goats
(2009-07-16)The thesis consists of two sections, the first of which is comprised of two experiments involving the open-pulled-straw (OPS) vitrification method for cryopreserving caprine and murine ... -
Optionen der Grünlandbewirtschaftung im Klimawandel: Bewertung der Weidewirtschaft und Prüfung von Weidelgras, Rohrschwingel und Lieschgras.
(2021-07-23)In regions with a moderate climate, longer and more frequent droughts are to be expected as a result of climate change, which will make it more difficult to grow perennial ryegrass (Lolium perenne). In this thesis it was ... -
Options for Managing Climate Risk and Climate Change Adaptation in Smallholder Farming Systems of the Limpopo Province, South Africa
(2017-05-31)The Limpopo Province is one of the nine Provinces in South Africa, located in the far north of the country, bordered by Gauteng (south), Mpumalanga (south-east) and North West (south-west) Provinces along its southern ... -
Organic farming and the impact of fiber-related digestive processes in pigs
(2005-01-18)Samples of different cultivars of wheat, faba beans and barley, each of conventional and organic cultivation of the same location and year, were analyzed for their nutrient contents. In ... -
Organization and Management for Efficient Irrigation Water-Use
(2016-04-20)Organization and Management for Efficient Irrigation Water-Use – An Empirical Study in the Sudan Sudan, the largest country in Africa, symbolizes the problems challenging the continent. The most threatening one is food ...