The Faculty of Agriculture: Browsing Landwirtschaftliche Fakultät by Title
Now showing items 870-889 of 1239
-
Partitioning Water Vapor Fluxes by the Use of Their Water Stable Isotopologues: From the Lab to the Field
Quade, Maria Elisabeth (2019-09-04)Water stable isotopes are powerful tracers for partitioning of the terrestrial ecosystem water vapor fluxes into process-based components, i.e. evapotranspiration (ET) into soil evaporation (E) and plant ... -
Pastoral Practices, Economics, and Institutions of Sustainable Rangeland Management in Kenya
Kihiu, Evelyne Nyathira (2016-04-08)Rangelands contribute greater value than is generally acknowledged. The ecosystems provide a significant portion of the world’s biodiversity and culturally diverse habitats and are also of great ecological and economic ... -
Patterns of Urbanization and Economic Development: Evidence from household surveys in Ethiopia
Regassa, Mekdim Dereje (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 ... -
Pensionspferdehaltung in der Akzeptanz landwirtschaftlicher Betriebsleiter
Luchmann, Patrick (2008)Um die langfristige Existenz landwirtschaftlicher Betriebe abzusichern, ist ein kontinuierliches Wachstum erforderlich. Als eine Möglichkeit hierfür bieten sich Erwerbskombinationen wie beispielsweise die „klassische“ ...
-
Perceptions and Governance of Food Insecurity Risks among Family Farmers in Southwestern Ethiopia
Feye, Getachew Legese (2018-04-18)In Ethiopia, family farming provides livelihood for 81 percent of the population, and accounts for over 96 percent of total agricultural production. However, family farmers often operate under continuous threats of complex ... -
Performance assessment of a bamboo-drip irrigation system: a contribution to water productivity improvement West Africa
Agossou, Hernaude V. K. (2018-11-28)Despite its high efficiency and productivity potential in regions subject to scarce water supply, conventional drip irrigation is still expensive and therefore only being adopted slowly in West Africa where 80% of vegetable ... -
Performance evaluation of reservoir-based irrigation schemes in the Upper East region of Ghana
Sekyi-Annan, Ephraim (2019-02-19)The design of relevant adaptation strategies for water users in irrigation schemes in drylands of Sub-Saharan Africa requires up-to-date information about the current performance of these schemes in view of rapid changes ... -
Personalized digital extension services, electronic marketplaces, and mobile phones: Implications of digital technology for rural development in India
Rajkhowa, Pallavi (2021-12-16)In developing countries, the cost of acquiring information is substantially high as information is limited, unevenly distributed, and inefficiently transmitted. Information problems have important consequences on how ... -
Pesticide reclamation and cleaning of direct nozzle injection systems
Dörpmund, Malte (2012-07-18)Direct injection systems are considered a promising technology to apply pesticides site specifically in the future. Possible benefits of direct injection systems include improved cost efficiency, operator safety, and ... -
Pesticide Use and Management in the Mekong Delta and their Residues in Surface and Drinking Water
Pham Van, Toan (2011-11-29)Pesticides are essential inputs in agricultural production to control target pests and thus to improve crop yields. Appropriate use and management of these chemicals and reduction of its negative influences on human health ... -
Pflanzeninhaltsstoffe mit fungizider Wirkung
Blaeser, Peter; Steiner, Ulrike; Dehne, Heinz-W. (2002)Obwohl Pflanzen aufgrund ihres Sekundärstoffwechsels ein außerordentlich reiches Reservoir an Molekülen bieten, stellen sie eine noch weitgehend ungenutzte Quelle für Wirkstoffe dar. Pflanzliche Metabolite könnten ... -
Pflanzenmorphologische und -physiologische Untersuchungen zur Toleranz in der Wirt-Parasit-Interaktion Beta vulgaris - Heterodera schachtii
Gierth, Katherine (2005)Als Toleranz bezeichnet man die Eigenschaft von Kulturpflanzen auch bei Nematodenbefall stabile und sichere Erträge zu produzieren im Gegensatz zu empfindlichen Pflanzen. Dagegen beschreibt die Resistenz die Fähigkeit einer ... -
Phenotypic analysis of different Silphium perfoliatum L. accessions and evaluation as a renewable resource for material use
Höller, Martin Georg (2022-11-16)Cup plant (Silphium perfoliatum L.) is a promising alternative to silage maize as an energy crop for biogas production and a potential raw material for the industry. This non-food perennial from the US possesses ... -
Phenotyping of Cercospora beticola resistance of sugar beet genotypes by hyperspectral imaging
Leucker, Marlene (2018-06-28)Cultivation of disease resistant crops is an important strategy in the integrated pest management which is a guiding principle for good agricultural practice. Therefore, high yielding cultivars with resistance to important ... -
Phenotyping of wheat resistance to Fusarium head blight using hyperspectral imaging
Alisaac, Elias (2021-02-10)The integrated management of Fusarium head blight (FHB) on wheat depends on the implementation of agricultural practices, cultivation of resistant varieties, and fungicides application. Reducing yield losses and ... -
Phosphorus digestibility and metabolizable energy concentrations of contemporary cereal grain varieties fed to growing pigs
Schemmer, Ralph (2021-02-01)Cereal grains are a major feedstuff in pig nutrition across the world. Due to their high starch content and their high inclusion rates, they supply the majority of energy in diets for pigs. At the same time they also provide ... -
Phosphorus forms in fertilized arable soil profiles and related 33P uptake
Koch, Maximilian (2019-09-13)Arable soils usually store several thousand kg phosphorus (P) per ha, thus far exceeding the recommended P fertilizer dose to sustain crop yields. However, the soil profile is frequently not considered in fertilizer ... -
Photogrammetric techniques for the functional assessment of tree and forest resources in Khorezm, Uzbekistan
Tupitsa, Alexander (2010-05-25)A system for inventorying and monitoring forests and tree plantings is indispensable for a proper management of this perennial vegetation. In the mid 1990s, the Government of Uzbekistan (GoU) launched various nationwide ... -
Phylogenetics, flow-cytometry and pollen storage in Erica L. (Ericaceae): Implications for plant breeding and interspecific crosses
Mugrabi de Kuppler, Ana Laura (2013-12-05)With over 840 species Erica L. is one of the largest genera of the Ericaceae, comprising woody perennial plants that occur from Scandinavia to South Africa. According to previous studies, the northern species, ... -
Phytopathologische Charakterisierung von Isolaten des Gurkenmosaikvirus
Bölling, Nina (2004)Die Diversität von 9 CMV-Isolaten, darunter die hinreichend beschriebenen Isolate K, Fny und Q, wurden mittels RT-PCR, Wirtspflanzenreaktion, DAS- und TAS-ELISA in simultanen, standardisierten Versuchen verglichen. Dazu ...