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Silage maize cultivation in Central Europe offers significant potential for improving nitrogen (N) efficiency, but quantifying N savings under current fertilization regulations and identifying further opportunities for improvement remain crucial. This study addresses these gaps by analyzing the influence of site-specific and management factors on the economically optimal N fertilization rate (EONR). EONR was calculated for 223...
Optimizing nitrogen (N) efficiency in European silage maize cultivation requires better quantification of N savings beyond existing regulations and identifying further opportunities to enhance efficiency. This study focuses on understanding how site and management factors influence net N mineralization. A comprehensive dataset from silage maize field trials across five Central European countries was analyzed using a multistage...
Zusammenfassung Die Grundwasserneubildung in Festgesteinsbereichen ist aufgrund der hydrogeologischen Eigenschaften der Gesteine im Allgemeinen geringer als in den Porengrundwasserleitern der Lockergesteine. Durch das Zusammenspiel dieser Eigenschaften mit der Topographie der Mittelgebirgslandschaften Niedersachsens, findet dort neben der Grundwasserneubildung auch ein signifikanter Zwischenabfluss statt. Methodisch können in...
The EU chemicals strategy for sustainability (CSS) asserts that both human health and the environment are presently threatened and that further regulation is necessary. In a recent Guest Editorial, members of the German competent authority for risk assessment, the BfR, raised concerns about the scientific justification for this strategy. The complexity and interdependence of the networks of regulation of chemical substances ha...
Zusammenfassung Mit einem Multi-Modell-Ensemble wurde analysiert, wie sich der Klimawandel auf den Grundwasserhaushalt in Nordrhein-Westfalen (NRW) auswirkt. Hierzu wurden Projektionen der zukünftigen Grundwasserneubildung für insgesamt 36 Mitglieder der Modellkette RCP-GCM-RCM-mGROWA, bestehend aus 3 RCP-Szenarien zukünftiger globaler Erwärmung, 6 globalen und 5 dynamischen regionalen Klimamodellen sowie dem Wasserhaushaltsmo...
Theoretically, both synthetic endocrine disrupting chemicals (S-EDCs) and natural (exogenous and endogenous) endocrine disrupting chemicals (N-EDCs) can interact with endocrine receptors and disturb hormonal balance. However, compared to endogenous hormones, S-EDCs are only weak partial agonists with receptor affinities several orders of magnitude lower. Thus, to elicit observable effects, S-EDCs require considerably higher co...
EPMA-World Congress 2015NARA Subscribed
Nuclear architecture - on higher groundNARA Subscribed
Cytoskeletal elements in the bacterium Mycoplasma pneumoniaeNARA Subscribed
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