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Registros recuperados: 87 | |
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Wolf, Birge; Szerencsits, Manfred; Gaus, Hansjörg; Müller, Christoph; Heß, Jürgen; Stockmann, Reinhard. |
Das Projekt möchte dazu beitragen, dass gesellschaftliche Leistungen der Agrarforschung, ergänzend zu wissenschaftlicher Qualität und Impact, vermehrt honoriert werden. Dafür wurden ein Dokumentations- und ein Evaluierungskonzept mit Synergien für die Forschungsförderung entwickelt und erprobt, um mehrfachen Nutzen bei vertretbarem Aufwand zu erreichen. Die Dokumentation ergänzt wissenschaftsorientierte Informationen in etablierten Forschungsinformationssystemen (FIS). Wir entwickelten die strukturierte Erfassung von Leistungen der Forschung für Praxis und Gesellschaft mit der Zielbeschreibungen und Verwertungsplanungen in Anträgen und Berichten ersetzt werden können und über links oder uploads ein breiterer Zugang zu Outputs ermöglicht wird. Außerdem... |
Tipo: Report |
Palavras-chave: Indicators and other value-laden measures; Research communication and quality. |
Ano: 2016 |
URL: http://orgprints.org/30699/1/30699-12NA102-103-uni-kassel-wolf-2016-praxis-impact-II.pdf |
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Wilhelm, Birgit; Tiedemann, Lukas; Hensel, Oliver; Heß, Jürgen. |
Um einen Überblick über die aktuelle Situation der Bodenbearbeitung auf Ökobetrieben in Deutschland zu erhalten, wurde ein Fragebogen an 3000 Ökobetriebe verschickt. 367 Ackerbauern beantworteten fünf Fragen zur Bodenbearbeitung auf ihren Betieben. 56% der Betriebe geben an nur mit dem Pflug zu arbeiten, 38 % nennen neben dem Pflug mindestens ein weiteres Gerät zur Grundbodenbearbeitung und 6% arbeiten ohne Pflug. 42% der befragten ökobauern bearbeiten den Boden tiefer als 22 cm. 22% der Betriebe arbeiten maximal 15 cm tief. Die Ergebnisse zur Bearbeitungstiefe zeigen, dass sich im Ökolandbau in Deutschland im Vergleich zu einer ähnlichen Umfrage von 1990 eine intensivere Bodenbearbeitung durchgesetzt hat. |
Tipo: Conference paper, poster, etc. |
Palavras-chave: Soil tillage. |
Ano: 2011 |
URL: http://orgprints.org/17564/3/Wilhelm_17564.pdf |
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Szerencsits, Manfred; Heß, Jürgen. |
Obwohl in zahlreichen Untersuchungen nachgewiesen wurde, dass der Ökologische Landbau in der Regel geringere Grundwasserbelastungen verursacht als die konventionelle Landwirtschaft (z.B. STOLZE et. al 2000),gibt es nur wenige Projekte, in denen es gelang, die Vorzüge des Ökolandbaus für den Wasserschutz nutzbar zu machen. In Niedersachsen hingegen wurde der Ökolandbau landesweit in den Trinkwasserschutz integriert, da im Rahmen von Pilotprojekten positive Erfahrungen gesammelt wurden. Er wird durch die Proland-Richtlinie gemäß VO (EG) 1257/1999 gezielt gefördert. Einerseits werden für die ökologische Bewirtschaftung von Flächen in Wassergewinnungsgebieten Ausgleichszahlungen bereitgestellt. Andererseits werden Projekte gefördert, die den ökologisch... |
Tipo: Conference paper, poster, etc. |
Palavras-chave: Air and water emissions. |
Ano: 2003 |
URL: http://orgprints.org/1079/1/szerencsits%2D2003%2Dumstellungsfoerderung%2Dwasserschutzgebiet.pdf |
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Bruns, Christian; Schulz, Hannes; Haase, Thorsten; Finckh, Maria R.; Heß, Jürgen. |
Potatoes are one of the most important crops in organic farming with respect to farmers’ income. Yields are often strongly influenced by regional and yearly diffe-rences. Despite the availability of detailed knowledge, it is only now that a crop growth model has been generated which allows for the estimation and prediction of potato yield under organic conditions. The aim of our study was to produce a highly elaborate prediction model based on the utilization and speed of nitrogen uptake as they relate to the yield dynamics of tubers and canopy in combination with late blight dynamics. Therefore, from 2005 to 2014, these parameters were assessed in up to 18 varieties of potatoes comprised of differing maturity groups. The data were ana-lyzed in R using... |
Tipo: Conference paper, poster, etc. |
Palavras-chave: Nutrient turnover Crop husbandry Crop health; Quality; Protection. |
Ano: 2015 |
URL: http://orgprints.org/27225/1/27225_bruns.pdf |
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Casagrande, Marion; Peigne, Joséphine; David, Christophe; Sans, Francesc Xavier; Blanco-Moreno, José Manuel; Cooper, Julia; Gascoyne, Kate; Antichi, Daniele; Bàrberi, Paolo; Bigongiali, Federica; Surböck, Andreas; Kranzler, Andreas; Beeckman, Annelies; Willekens, Koen; Luik, Anne; Peetsmann, Elen; Grosse, Meike; Heß, Jürgen; Clerc, Maurice; Dierauer, Hansueli; Mäder, Paul. |
As conservation agriculture and organic farming are currently considered as environmentally friendly options for producing food, this study explores the motivations and problems of organic European farmers that apply at least two of the following techniques: (i) no-tillage, (ii) reduced tillage and/or (iii) green manures conservation practices. We carried out a survey about motivations and problems of 159 farmers located in 10 European countries with a questionnaire with closed-ended questions. Data were analysis with a principal component analysis followed by clustering to identify groups of farmers that share the same type of motivations and problems. The most important motivations are related to soil preservation concerns and problems are mainly linked... |
Tipo: Conference paper, poster, etc. |
Palavras-chave: Surveys and statistics; Social aspects; Soil tillage; Weed management. |
Ano: 2014 |
URL: http://orgprints.org/23939/1/23939_revised%20version_MM.pdf |
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Grosse, Meike; Haase, Thorsten; Heß, Jürgen. |
If farmers want to use reduced tillage in organic agriculture, they often face great challenges in weed control. One goal of the European research project TILMAN ORG (www.tilman-org.net) was to develop a more efficient weed management and increased biodiversity through improved use of green manures in different systems of reduced tillage. In a repeated one year trial on the research farm of University of Kassel the effects of different green manure species and different tillage systems on weed cover, density and biomass as well as yield of a subsequent main crop were examined. Sinapis alba, Trifolium resupinatum and Vicia sativa were tested as green manure species. Bare fallow served as control. After the green manures the main crop oat was sown in four... |
Tipo: Conference paper, poster, etc. |
Palavras-chave: Soil tillage; Weed management. |
Ano: 2014 |
URL: http://orgprints.org/23876/1/23876_Grosse%20et%20al_MM.pdf |
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Berner, Alfred; Böhm, Herwart; Brandhuber, Robert; Braun, Josef; Brede, Uwe; Colling-von Roesgen, Jean-Louis; Demmel, Markus; Dierauer, Hansueli; Doppler, Georg; Ewald, Bernd; Fisel, Thomas; Fließbach, Andreas; Fuchs, Jacques; Gattinger, Andreas; Häberli, Hansueli; Heß, Jürgen; Hülsbergen, Kurt-Jürgen; Köchli, Martin; Kolbe, Hartmut; Koller, Martin; Mäder, Paul; Müller, Adrian; Neessen, Peter; Patzel, Nikola; Pfiffner, Lukas; Schmidt, Harald; Weller, Stefan; Wild, Melanie. |
Die Broschüre beleuchtet die Bodenfruchtbarkeit aus verschiedenen wissenschaftlichen und bäuerlichen Blickwinkeln. Die Informationen wollen praktische Beobachtungen der Landwirte ergänzen und dazu anregen, die Beziehung zum Boden zu überdenken und eine wirklich nachhaltige Bodenkultur zu praktizieren. |
Tipo: Book |
Palavras-chave: Soil. |
Ano: 2012 |
URL: http://orgprints.org/21814/1/berner-etal-2012-mb-1576-bodenfruchtbarkeit.pdf |
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Krause, Tanja; Haase, Thorsten; Böhm, Herwart; Heß, Jürgen; Loges, Ralf; Haase, Norbert U.. |
Specific conditions of organic farming are often limited nitrogen supply and – depending on the year - early occurrence of P. infestans. In addition, genetic (variety) and environmental (site, year) factors may have strong effects on both the yield and quality of tubers with regard to their suitability for processing. This study examined the impact of variety and site on the yield structure and quality of tubers for processing to chips at three sites over two years. According to the results, the varieties Agria and Marena with high yield and good quality after harvesting and storage were interesting for organic farmers. |
Tipo: Conference paper, poster, etc. |
Palavras-chave: Root crops. |
Ano: 2005 |
URL: http://orgprints.org/8712/1/EAPR_Krause_poster%2Dend.pdf |
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Gronle, Annkathrin; Lux, Guido; Böhm, Herwart; Schmidtke, Knut; Wild, Melanie; Demmel, Markus; Brandhuber, Robert; Wilbois, Klaus-Peter; Heß, Jürgen. |
The effect of ploughing depth and mechanical soil loading on the performance of pea sole crops, oat sole crops and pea–oat intercrops was investigated in field experiments under organic farming conditions at two sites in Germany in 2009 and 2010. The two ploughing depths were short-term shallow ploughing to a soil depth of 7–10 cm and deep ploughing to 25–30 cm. Wheel loads of 26 and 45 kN, which correspond to typical rear wheel loads of field machinery used during sowing operations, were compared to an uncompacted control. Shallow ploughing resulted in a greater penetration resistance in the 14–28 cm soil layer compared to deep ploughing. An increase in mechanical soil loading intensity increased the bulk density and decreased the air capacity in the... |
Tipo: Journal paper |
Palavras-chave: Crop combinations and interactions Cereals; Pulses and oilseeds Soil tillage Soil Weed management. |
Ano: 2015 |
URL: http://orgprints.org/28014/1/Gronle_etal_2015_STILL_ploughing-soil-loading-pea-sole-intercrop.pdf |
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Treu, Hanna; Sanders, Jürn; Brinkmann, Jan; Chmelikova, Lucie; Freibauer, Annette; Gattinger, Andreas; Gottwald, Frank; Haager, Daniela; Haub, Almut; Heß, Jürgen; Hülsbergen, Kurt-Jürgen; Hupe, Anke; Hoppe, Johanna; Jung, Rüdiger; Kusche, Daniel; Levin, Karin; March, Solveig; Schmidtke, Knut; Stein-Bachinger, Karin; Weckenbrock, Philipp; Wiesinger, Klaus. |
Obwohl die Umweltauswirkungen des ökologischen Landbaus wissenschaftlich und politisch allgemein anerkannt sind, gibt es immer noch unterschiedliche Ansichten, wie der Beitrag des ökologischen Landbaus zur Lösung der Umwelt- und Ressourcenprobleme unserer Zeit bewertet werden kann. Dieser Beitrag beschreibt Hintergrund und Inhalt dieser Debatte und beschreibt den Ansatz zur Analyse des aktuellen Forschungsstandes. |
Tipo: Conference paper, poster, etc. |
Palavras-chave: Policy environments and social economy; Biodiversity and ecosystem services. |
Ano: 2019 |
URL: http://orgprints.org/36251/1/Beitrag_328_final_a.pdf |
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Dresow, Jana; Krause, Tanja; Haase, Norbert U.; Loges, Ralf; Heß, Jürgen; Böhm, Herwart. |
The nitrogen supply plays an important role in achieving quality characteristics in organic potato farming. Different defoliation systems of ryegrass–clover may influence the amount of fixed nitrogen available to the tubers. In a field experiment, the effect of different defoliation systems (cutting, mulching and a combination of them) of the pre-crop ryegrass–clover on selected quality attributes of organically grown potatoes, destined for processing into French fries (cv. Agria) or crisps (cv. Marlen), were conducted in two consecutive years (2003 and 2004). Parameters studied included compounds related to the sensory properties of potato food (tuber dry matter, starch, reducing sugars) as well as nutritional quality (nitrogen,minerals). Selected... |
Tipo: Journal paper |
Palavras-chave: Crop combinations and interactions Processing; Packaging and transportation Crop health; Quality; Protection Root crops. |
Ano: 2013 |
URL: http://orgprints.org/27887/1/10.1007_s11540-013-9239-8_print.pdf |
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Registros recuperados: 87 | |
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