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Influence of nitrogen and water supply on evapotranspiration, yield and agronomic water use efficiency of winter wheat
(2017-05-09)
The predicted climate change for North West Europe, which will be characterized by higher temperatures and lower rainfall during the summer months, will challenge future food production. Against this background, the question ...
Grazing behavior of two Holstein dairy cow strains under organic farming conditions in Switzerland
(2017-04-11)
The aim of the thesis was to test if concentrate supplementation is required in an organic, pasture-based feeding system and if concentrate supplementation influences grazing behavior. The study consisted of two trials, ...
Binding and mobilization of pharmaceuticals in wastewater-irrigated soils and sediments of the Mezquital Valley, Mexico
(2017-05-16)
The irrigation of crop fields with treated or untreated wastewater has been an ancient practice in many cities around the world and is still a common practice nowadays. In doing so, wastewater is disposed and at the same ...
Managing seasonal soil nitrogen dynamics in inland valleys of the West African savanna zone
(2017-05-16)
Most cropping systems in the Dry Savanna agro-ecological zone of West Africa qualify as low-input systems. Nitrogen is the most limiting nutrient element and the prevailing low-input systems rely mainly on the provision ...
Einfluss von Vitamin D auf das klinische Outcome von Patienten mit chronischer Herzinsuffizienz
(2017-07-11)
Hintergrund: Es hat sich gezeigt, dass eine Vitamin D-Mangel bei Patienten mit chroni-scher Herzinsuffizienz weitverbreitet ist. Zudem dichten sich die Hinweise, das Vitamin D einen günstigen Einfluss auf kardiovaskuläre ...
Exploring Urban Structure to Approach Energy Optimization: The case of residential settlement development in Dhaka city, Bangladesh
(2017-07-04)
The concept of energy optimization in urban development has the potential to address many urban challenges besides local energy concerns. Past research has attempted to combine the cross-cutting issues of urban planning, ...
Biomass Energy Economics and Rural Livelihoods in Sichuan, China
(2017-07-05)
This study investigates the influences of household biomass energy use on rural livelihoods in Sichuan Province of China. Of the 556 surveyed households, 432 (77.7%) households still use traditional solid biomass energy ...
Identification of host genes with a role in sex determination of the plant parasitic cyst nematode, Heterodera schachtii
(2017-07-03)
Cyst nematodes are biotrophic parasites that infect plant roots and cause physiological and structural modifications leading to the formation of syncytial nurse cells. They are sexually dimorphic but the sexual phenotype ......
Kameragesteuerte mechanische Unkrautbekämpfung in Reihenkulturen
(2017-08-14)
Das Institut für Landtechnik der Universität Bonn beschäftigt sich seit einigen Jahren mit der Entwicklung der mechanischen Unkrautbekämpfung für den Bereich innerhalb der Pflanzenreihe. Die Online-Erkennung der einzelnen ...
Water availability and demand analysis in the Kabul River Basin, Afghanistan
(2017-08-08)
Kabul River Basin (KRB), the most populated and highly heterogenic river basin of Afghanistan is the lifeline of millions of people in terms of supplying them with water for agricultural, municipal, and industrial as well ...