Nuertingen-Geislingen University, GERMANY, OPUS
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Yield, soil Nitrogen content and weed control in six years of conservation agriculture on-farm field trials in Southwest Germany
No full textConservation Agriculture (CA) is a farming system that aims to protect soil resources by promoting minimum soil disturbance in combination with the maintenance of a permanent soil cover, and diversification of crop rotation.
The aim of this study was to investigate the effects of no-till and shallow conservation tillage using a chisel plough and rotor tiller on loamy soils with high clay contents in combination with cover crop mixtures in rotations with at least three different crops. Crop yield, soil Nitrogen content and weed coverage were the main parameters measured. Experiments were performed in an on-farm approach in southwest Germany on 18 farms and two research stations over a period of 6 years. Yields of cereals, oilseed rape, maize, soybean and peas were slightly lower under no-tillage with 5.8–7.3 Mg grain yield equivalents ha− 1 than under conservation tillage with 6.3–7.8 Mg grain yield equivalents ha− 1. Cover cropping did not affect crop yields. Tillage and cover cropping had no influence on weed control in the subsequent main crop. Soil nitrate contents before winter in November were on average 11 kg N ha − 1 lower in the cover crop treatments compared to the plots without cover crops.This study shows that CA with minimum tillage had slight advantages compared to the no-till system under Southwest Germany farming condition
Single housing but not changes in group composition causes stress-related immunomodulations in horses
No full textBodenschutz im Mais - Was bleibt?
No full textDer bodenschonende Anbau von Mais wird bei Wegfall von Glyphosat deutlich schwieriger werden. Es wird sich zeigen, ob entweder Glyphosat für Standorte mit hoher Erosionsgefahr weiterhin zur Verfügung steht oder ob andere Lösungen gefunden werden, die weniger Bodenschutz bringen und/oder Ertragseinbußen nach sich ziehen
How does the Adoption of Digital Technologies Affect the Social Sustainability of Small-scale Agriculture in South-West Germany?
No full textThe adoption of digital technologies is expected to impact the social sustainability of agriculture, in particular in the case of small and mid-sized family farms in Western Europe. Goal of this research was to assess these impacts, however widely accepted impact assessment schemes of social sustainability are missing. Against this background, a qualitative, two-stage Delphi survey was conducted in order to identify relevant impact categories of the adoption of digital technologies in family-operated small-scale farms of South-West Germany. The participating experts stated, for example, that the adoption of digital technologies on the farm could mean that new business models can be based on the use of digital technologies. However, they also stated that digital technology could overburden farmers, which could hinder digitization in this sector as a whole. Data protection and data security were also issues ranked highly important by the participants in the Delphi Proces
Reallabor MobiQ. Transformatives Forschen zwischen Mobilitätspolitik und räumlicher Entwicklung
No full textFür die Mobilitätswende in Deutschland ist Baden-Württemberg ein zentrales Handlungsfeld. Seit dem Frühjahr 2021 fördert das Ministerium für Wissenschaft, Forschung und Kunst Baden-Württemberg (MWK) das Reallabor MobiQ - Nachhaltige Mobilität durch Sharing im Quartier. Das Projekt verfolgt einen zivilgesellschaftlichen, nicht-kommerziellen Ansatz und fokussiert die Potenziale nachbarschaftlich getragener, quartiersbezogener Mobilität. Es wird untersucht, wie sich soziale Netzwerke initiieren und fördern lassen, um Impulse für die zivilgesellschaftliche Gestaltung nachhaltiger, raumspezifischer sowie bedarfsgerechter Mobilitätskonzepte zu setzen. Im Mittelpunkt stehen drei Standorte: Stuttgart-Rot, Geislingen an der Steige und Waldburg. In Großstadtrandlage, einer Mittelstadt und im ländlichen Raum wird praktisch erprobt, wie Bewohner:innen mit Methoden des Ko-Designs und der Ko-Produktion im Quartier gemeinsam ihre Mobilität organisieren und sich Zugänge zu gesellschaftlicher Teilhabe erschließen können. Der Beitrag reflektiert insbesondere das methodische Vorgehen im Projek
(Not) Communicating the Environmental Friendliness of Food Packaging to Consumers
No full textWhile consumer understanding of and preferences for environmentally friendly packaging options have been well investigated, little is known about the environmentally friendly packaging attributes communicated to consumers by suppliers via packaging cues. We thus propose a literature-based attribute-cue matrix as a tool for analyzing packaging solutions. Using a 2021 snapshot of the wafer market in nine European countries, we demonstrate the tool’s utility by analyzing the cues found that signal environmentally friendly packaging attributes. While the literature suggests that environmentally friendly packaging is increasingly used by manufacturers, our analysis of 164 wafer packages shows that communication is very limited except for information related to recyclability and disposal. This is frequently communicated via labels (e.g., recycling codes, Green Dot) and structural cues that implicitly signal reduced material use (e.g., less headspace and few packaging levels). Our attribute–cue matrix enables researchers, companies, and policymakers to analyze and improve packaging solutions across countries and product categories. Our finding that environmentally friendly packaging attributes are not being communicated to consumers underscores a pressing need for better communication strategies. Both direct on-pack and implicit communication should help consumers choose more environmentally friendly packaging. Governments are encouraged to apply our tool to identify communication gaps and adopt labeling regulations where needed
Assessing the Risk Characteristics of the Cryptocurrency Market: A GARCH-EVT-Copula Approach
No full textBioplastics for Food Packaging: Environmental Impact, Trends and Regulatory Aspects
No full textThe demand to develop and produce eco-friendly alternatives for food packaging is increasing. The huge negative impact that the disposal of so-called “single-use plastics” has on the environment is propelling the market to search for new solutions, and requires initiatives to drive faster responses from the scientific community, the industry, and governmental bodies for the adoption and implementation of new materials. Bioplastics are an alternative group of materials that are partly or entirely produced from renewable sources. Some bioplastics are biodegradable or even compostable under the right conditions. This review presents the different properties of these materials, mechanisms of biodegradation, and their environmental impact, but also presents a holistic overview of the most important bioplastics available in the market and their potential application for food packaging, consumer perception of the bioplastics, regulatory aspects, and future challenges
Bewertung von KMU
No full textDie Bewertung von kleinen und mittelständischen Unternehmen (KMU) ist eine Schlüsselaufgabe bei Unternehmensverkäufen, Nachfolgeregelungen, Aufnahme von Kapital und Veränderung des Gesellschafterkreises. Die Bewertung von KMU folgt in Deutschland primär dem Unternehmensbewertungsstandard IDW S.1. Dieser sieht vor, die Risiken eines Unternehmens über die Kapitalmärkte mit Hilfe des Capital Asset Pricing Model (CAPM) abzuleiten. Das CAPM selbst beruht auf sehr restriktiven Annahmen, die für die Bewertung mittelständischer Unternehmen nicht geeignet sind. Da KMU mittlerweile durch neue Gesetze und Prüfungsstandards ihre Risiken systematisch erfassen müssen, besteht die Möglichkeit, KMU anhand ihrer tatsächlichen Risiken zu bewerten. Die simulationsbasierte Bewertung bietet einen Ansatz, KMU risikoadäquat zu bewerten und dadurch geeignete Werte zur Entscheidungsfindung bereitzustellen
Stupsen, Überzeugen, Zwingen
No full textDer Staat bedient sich umweltpolitischen Instrumenten, um das Verhalten seiner Bürger_innen in eine wünschenswerte Richtung zu lenken. In dieser Thesis geht es darum, welche Instrumente ihm hierfür zur Verfügung stehen. Dabei geht es vor allem um eine Einordnung von Nudges in die klassischen Instrumente der Umweltpolitik. Am Ende werden fünf konkrete Nudging-Konzepte aufgeführt, die eine Förderung des nachhaltigen Konsums in Deutschland auslösen können