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Registros recuperados: 39
Primeira ... 12 ... Última
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Abschätzung von Bestandeseigenschaften in Leguminosengras-Gemengen mit nichtdestruktiven Methoden Organic Eprints
Fricke, Thomas; Wachendorf, Michael.
To describe spatial heterogeneity of crop properties, non-destructive methods can be helpful in capturing whole field data sets. This paper shows examples of different sensor methods that have been evaluated to measure biomass and legume content in legume-grass mixtures. Biomass has been estimated using vegetation indices (NDVI, SR, EVI and REIP) calculated from spectral reflectance measurements in greenhouse experiments. The index REIP has been used to identify species composition as well. Furthermore, biomass values can be derived from ultra sonic measurements of sward heights. To quantify legume contents in short term leys, which is important for forage quality and nitrogen flows, image analysis tools have been used in different experi-ments with good...
Tipo: Conference paper, poster, etc. Palavras-chave: Pasture and forage crops Cereals; Pulses and oilseeds Crop combinations and interactions.
Ano: 2007 URL: http://orgprints.org/9537/1/9537_Fricke_Poster.pdf
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Åkerböna och smalbladig lupin i samodling med stråsäd Organic Eprints
Det grovfoder som idag används till nöt består framförallt av olika arter av gräs och klöver från fleråriga vallar. Baljväxterna i vallen fixerar luftkväve och bidrar därigenom med ett nödvändigt näringstillskott också till efterföljande grödor. För en ekologisk lantbrukare är det mycket fördelaktigt, både ur närings- och fodersynpunkt, att även ettåriga kvävefixerande grödor kan ingå i växtföljden. Genom samodling av spannmål och trindsäd (t.ex. ärter) för helsädesensilering kan hela plantan skördas vid ett och samma tillfälle samtidigt som ett energi- och proteinrikt foder fås. Trots att odling av spannmålsgrödor för helsädesensilering varit relativt vanlig i t.ex. Danmark har det varit ovanligt inom svenskt, konventionellt...
Tipo: Project description Palavras-chave: Pasture and forage crops Cereals; Pulses and oilseeds Crop combinations and interactions Weed management.
Ano: 2020
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Annual self-reseeding legumes effect on subsequent crops into a rotation program in Mediterranean organic farming systems Organic Eprints
Al-Bitar, Lina; Wehbé, Elias; Ayoub, Mohamed; Jamea, Mostafa.
Biological Nitrogen fixation (BNF) should be the most important means for N supply in organic agriculture. This study aimed at assessing the effect of fifteen legume cultivars on subsequent crops in three consecutive growing seasons to identify the most efficient and suitable ones as building crops in rotation programs under Mediterranean environment. T. subterraneum cv. York and T. glanduliferum cv. Prima, induced the best effects on wheat, particularly on total biomass, number of grains, dry matter production and increased yield by 670% and 567% respectively more than the control.
Tipo: Conference paper, poster, etc. Palavras-chave: Pasture and forage crops Cereals; Pulses and oilseeds.
Ano: 2008 URL: http://orgprints.org/12270/1/Albitar_12270_ed.doc
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Anthracnose bei Rotklee: Ansätze zur Züchtung resistenter Sorten Organic Eprints
Jacob, Irene; Hartmann, Stephan.
Der Rotkleeanbau in Deutschland könnte künftig durch eine Pilzkrankheit, der Anthracnose, erschwert werden. Um den Anbau weiterhin zu sichern, wurden die in Deutschland zugelassenen Rotkleesorten hinsichtlich ihrer Resistenz gegen die Krankheit in einer Prüfung im Gewächshaus evaluiert. Weiterhin wurde untersucht, ob man mit dem Verfahren der rekurrenten Selektion eine Anhebung des Resistenzniveaus bestehender Populationen erreichen kann. Zudem wurden molekulare Markeranalysen durchgeführt, die die Basis künftiger Züchtung durch markergestützte Selektion (MAS) bilden können.
Tipo: Conference paper, poster, etc. Palavras-chave: Pasture and forage crops Cereals; Pulses and oilseeds Breeding; Genetics and propagation Crop health; Quality; Protection.
Ano: 2013 URL: http://orgprints.org/23240/1/agrarforschung_zukunft_Jacob_2013.pdf
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Auswirkungen von Schnitt-und Weidenutzung auf die Ertragsbildung und den Stickstoffgehalt verschiedener Futterleguminosen. Organic Eprints
Kleen, Jana; Gierus, Martin; Taube, Friedhelm.
The objective of this study was to compare the agronomic performance of different forage legume species submitted to different management systems, i.e. grazing, silage-cut and simulated grazing to find alternatives for white clover. The experiment was established in 2003 and 2004 as binary swards with perennial ryegrass (Lolium perenne L.) as the companion grass with three replicates in two different sites on the experimental station “Lindhof” of the University of Kiel. Legume species were arranged within each management system as completely randomised blocks. Results of agro-nomic performance of the first production years in 2004 and 2005 (DM-yield, botanical composition, N-yield, N-content) are presented for white clover swards (Trifolium repens L.), red...
Tipo: Conference paper, poster, etc. Palavras-chave: Pasture and forage crops Cereals; Pulses and oilseeds Beef cattle.
Ano: 2007 URL: http://orgprints.org/9573/1/9573_Kleen_Vortrag.pdf
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Capacity of Deep Rooted Species to Take Up Water and Nutrients from Deep Soil Layers Organic Eprints
Dresbøll, Dorte Bodin; Rasmussen, Camilla Ruø; Thorup-Kristensen, Kristensen.
Introduction Agricultural cropping systems generally have a limited use of water and nutrients from the soil below 1m depth. However, several plant species have much deeper root systems, and if included in cropping systems, these would allow for exploitation of otherwise unused resources from deep soil layers. In a unique facility consisting of 12, 4m high ‘root towers’ we examined the root development and root activity in different soil layers of different biannual/perennial plant species. Methods Four plant species lucerne (Medicago sativa), rosinweed (Silphium integrifolium), intermediate wheatgrass (Thinopyrum intermedium), and dyers voad (Isatis tinctoria) were grown in soil in large rhizotrons (root towers) (4m×1.2m×0.6 m). Root growth was...
Tipo: Conference paper, poster, etc. Palavras-chave: Pasture and forage crops Cereals; Pulses and oilseeds Crop health; Quality; Protection.
Ano: 2018 URL: http://orgprints.org/34364/3/Poster%20-%20Dorte%20Bodin%20Dresb%C3%B8ll_34364.pdf
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Consequences of field N2O emissions for the environmental sustainability of plant-based biofuels produced within an organic farming system Organic Eprints
Carter, Mette S.; Hauggaard-Nielsen, Henrik; Heiske, Stefan; Jensen, Morten; Thomsen, Sune T.; Schmidt, Jens Ejbye; Johansen, Anders; Ambus, Per.
One way of reducing the emissions of fossil fuel-derived carbon dioxide (CO2) is to replace fossil fuels with biofuels produced from agricultural biomasses or residuals. However, cultivation of soils results in emission of other greenhouse gasses (GHGs), especially nitrous oxide (N2O). Previous studies showed that field emissions of N2O may contribute significantly to total GHG emissions during biofuel production. Furthermore, N2O may counterbalance a considerable part of the global warming reduction, which is achieved by fossil fuel displacement. In the present study, we related measured field emissions of N2O to the reduction in fossil fuel-derived CO2, which was obtained when agricultural biomasses were used for biofuel production. The analysis included...
Tipo: Journal paper Palavras-chave: Pasture and forage crops Cereals; Pulses and oilseeds Nutrient turnover Air and water emissions.
Ano: 2012 URL: http://orgprints.org/20905/10/20905.pdf
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Consorciação de braquiárias com milho outonal em plantio direto sob pivô central. Organic Eprints
Chioderoli, Carlos A.; Mello, Luiz M. M. de; Grigolli, Paola J.; Silva, José O. da R..
Em regiões de clima tropical, com altas taxas de decomposição do material orgânico, uma alternativa para suprir o aporte anual de palha exigido para proporcionar a sustentabilidade do sistema plantio direto é a consorciação de forrageiras com culturas produtoras de grãos. Com o objetivo de identificar, no sistema de integração agricultura-pecuária, a melhor modalidade de consorciação de três espécies de braquiária (Brachiaria brizantha B. decumbens, e B. ruzizienses) com milho outonal (linha, entrelinha e entrelinha na época de adubação de cobertura do milho), foi conduzido o presente trabalho. Foi utilizado o delineamento em blocos ao acaso, no esquema fatorial (3x3), com quatro repetições. Foram avaliadas: massa seca de palha do milho, massa seca da...
Tipo: Journal paper Palavras-chave: Pasture and forage crops Cereals; Pulses and oilseeds.
Ano: 2010 URL: http://orgprints.org/22654/1/Chioderoli_Consorcia%C3%A7%C3%A3o.pdf
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Dry matter yields and quality of organic lupin/cereal mixtures for wholecrop forage Organic Eprints
Azo, W M; Lane, G P F; Cannon, N C; Davies, W P.
In view of climate change predictions and the general desirability of increasing the amount of home grown protein, a case exists for the investigation of lupins and lupin/cereal bicrop combinations as wholecrop forage on organic farms. A replicated randomised block trial is described which took place at the Royal Agricultural College, Cirencester, in 2005. This involved spring sown blue, white and yellow lupins, millet, wheat and triticale and lupin/cereal bi-crops. Data for dry matter yields for wholecrop silage, crude protein, MAD fi bre content and estimated ME, are presented for a single harvest. It is concluded that white lupins and white lupin bi-crops with spring wheat or triticale offer the best prospects for a viable wholecrop forage crop in an...
Tipo: Conference paper, poster, etc. Palavras-chave: Pasture and forage crops Cereals; Pulses and oilseeds Crop combinations and interactions.
Ano: 2006 URL: http://orgprints.org/10190/1/Dry_matter_yields_and_quality_of_organic_lupin_and_lupin%2Dcereal_mixtures_for_wholecrop_forage.pdf
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Effect of annual self-reseeding legumes on subsequent crops (particularly durum wheat) into a long-term rotation program under organic farming. Organic Eprints
WEHBE, Elias.
Soil nitrogen fertility management is a major concern in organic farming. Nitrogen fixation by legumes is a potential solution especially in multi-annual crop rotation program. This study aims at assessing the effect of fifteen legume cultivars on wheat as third subsequent crop and at identifying the most efficient and suitable cultivars for a long-term rotation program.T. subterraneum cv. York and T. glanduliferum cv. Prima induced the best effects on wheat, particularly on total biomass, number of grains, dry matter production and increased yield by 670% and 567% respectively compared to the control. They showed also, together with Trifolium subterraneum cv. Dalkeith and Trifolium incarnatum cv. Caprera, to be the most efficient over the whole rotation...
Tipo: Thesis Palavras-chave: Pasture and forage crops Cereals; Pulses and oilseeds Crop combinations and interactions.
Ano: 2005 URL: http://orgprints.org/7007/1/EliasWehbe05.pdf
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Einfluss der Kleegras-Nutzung auf die N-Versorgung und Ertragsleistung marktfähiger Folgefrüchte Organic Eprints
Dreymann, S.; Loges, R.; Taube, F..
Im Rahmen des Forschungsschwerpunktes „Ökologischer Landbau und extensive Landnutzungssysteme“ wurden auf dem Versuchsgut für Ökologischen Landbau der Universität Kiel (Lindhof) in den Jahren 1999-2003 Untersuchungen zur Optimierung des N-Transfers vom Kleegras zur Folgefrucht Getreide durchgeführt. Als Versuchsfaktoren wurde die Kleegras-Bewirtschaftung (3x Schnittgutabfuhr, 2x Schnittgutabfuhr + 1x Mulchen, 3x Mulchen), die Umbruchart (Pflug, Fräse + Pflug), der Umbruchtermin (Herbstumbruch/ Winterweizen, Frühjahrsumbruch/ Sommerweizen bzw. Hafer) und eine organische Düngung zu EC 45 (0, 75 kg N/ha) geprüft. Die Kleegras-Bewirtschaftung beeinflusste nicht den Kornertrag von Winterweizen (Ø 48,4 dt/ha), Sommerweizen (Ø 46,6 dt/ha) und Hafer (Ø 58,5...
Tipo: Conference paper, poster, etc. Palavras-chave: Pasture and forage crops Cereals; Pulses and oilseeds Air and water emissions.
Ano: 2003 URL: http://orgprints.org/4591/1/dreymann_giessen2003_orgprints.pdf
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Ertrag und Futterqualität sowie Fruchtfolgewirkung von Mais und Getreide/ Getreideleguminosengemenge in Öko-Betrieben Organic Eprints
Leisen, Edmund.
Zwischen 1996 und 1999 wurden in Westfalen-Lippe auf 8 Flächen Mais und Getreide (Sommergerste oder Sommerweizen, in Reinsaat oder in Gemenge mit Erbsen) hinsichtlich Ertragsleistung und Futterqualität miteinander verglichen. Die Versuche waren jeweils mit 2 Wiederholungen als Streifenversuch (12 m Streifen) angelegt. Auf 7 Flächen wurde zusätzlich die Fruchtfolgewirkung festgehalten, je nach Fläche mittlerweile bis zur 5. Folgefrucht. Silomais lieferte mit 67.000 bis 119.000 MJ NEL/ha teilweise doppelt so hohe Erträge wie Getreide gewonnen als Ganzpflanzensilage. Dabei wurden die Erträge von Zwischenfrüchten schon mit berücksichtigt: Landsberger Gemenge vor Mais, Zwischenfrucht nach Getreide. Maissilage war darüber hinaus deutlich energiereicher als...
Tipo: Conference paper, poster, etc. Palavras-chave: Pasture and forage crops Cereals; Pulses and oilseeds Crop combinations and interactions Feeding and growth.
Ano: 2003 URL: http://orgprints.org/1080/1/1080%2Dleisen%2De%2D2003%2Dfruchtfolgewirkung%2Dmais.pdf
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Ertrag und Futterqualität von Rotklee und Luzerne als Reinsaat sowie im Gemenge mit Gräsern Organic Eprints
Loges, Ralf; Taube, Friedhelm.
Rotklee bzw. Luzerne als Reinsaat bzw. im Gemenge mit Gräsern stellen in zahlreichen ökologisch wirtschaftenden Betrieben die Basis der Winterfutterversorgung dar. Wenige vergleichende Untersuchungen liegen zum Leistungspotential von Rotklee und Luzerne unter mitteleuropäischen Klimaverhältnissen vor. Vor diesem Hintergrund wurde im Rahmen eines Feldversuches der Einfluß der Faktoren Leguminosenart (Rotklee, Luzerne), Leguminosen/Gras-Saatmischungsverhältnis (Leguminosereinsaat, Grasreinsaat, leguminosereiche bzw. leguminosenarme Saatmischung) sowie Begleitgrasart (Dt. Weidelgras, W.Weidelgras) auf die Parameter Ertrag, Leguminosenanteil sowie die Futterqualitätsparameter RP-Gehalt, Nettoenergiekonzentration, ADF-, und ADL-Gehalt untersucht. Im Mittel...
Tipo: Conference paper, poster, etc. Palavras-chave: Pasture and forage crops Cereals; Pulses and oilseeds.
Ano: 1999 URL: http://orgprints.org/2154/1/loges%2D1999%2Dfutterqualitaet%2Drotklee%2Dluzerne%2Dgras.pdf
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Ertrags- und Futterwerteigenschaften trockenheitsverträglicher Leguminosen-Gras-Gemenge unter ökologischer Bewirtschaftung Organic Eprints
Titze, Andreas.
An zwei Standorten in Mecklenburg Vorpommern sind über einen Zeitraum von 2010 bis 2015 alternative Leguminosen-Gras-Gemenge unter ökologischen Bedingungen hinsichtlich Ertrag und ausgewählter Futterwerteigenschaften geprüft worden. Mit höherem Leguminosenanteil stieg an beiden Standorten auch der Trockenmasseertrag. Auch auf dem sorptionsschwachen Standort Plöwen erwiesen sich die Gemenge bei etwas niedrigerem Niveau als vergleichsweise ertragsstabil. Die Ertragsunterschiede zwischen den Gemengen ließen sich statistisch nicht absichern. Die Futterqualität entsprach bei qualitätsorientierter Nutzung den hohen Anforderungen der ökologischen Milchproduktion. Sowohl in frischem als auch in getrocknetem Zustand wurden im Rohprotein sehr hohe Anteile an...
Tipo: Newspaper or magazine article Palavras-chave: Pasture and forage crops Cereals; Pulses and oilseeds.
Ano: 2015 URL: http://orgprints.org/29708/1/Leguminosen-Gras-G._Titze.pdf
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EXPERIENCES ON DIFFERENT TYPES OF ON-FARM RESEARCH IN EASTERN FINLAND Organic Eprints
Nykänen, Arja; Kurki, Päivi; Rinne, Marketta.
In Finland, as well as in many other countries, on-farm research is becoming more and more common. The reasons are many-fold. Agricultural research stations are closed down due to economical constraints and researchers want to have ‘real data’ from the farms. Advisors see on-farm research as a new and efficient tool to show farmers good practices in their production. In addition, for farmers it is an attractive way of testing suitable farming practices in the environment of their own farm.
Tipo: Conference paper, poster, etc. Palavras-chave: Pasture and forage crops Cereals; Pulses and oilseeds.
Ano: 2014 URL: http://orgprints.org/23901/1/23901_MM.pdf
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Farming systems comparison study, Bioforsk Arable Crops Division, Apelsvoll Organic Eprints
A long-term farming systems comparison study was initiated at Bioforsk Arable Crops Division, Apelsvoll, in 1989. The aim was to compare on a model farm level differences in yields, nutrient runoff, nutrient balances and economical results for conventional, integrated and organic dairy and cash crop farming systems. The vision of the project was to develop farming systems that minimized the runoff of nutrients and pesticide residues, produced healthy crops with optimal nutritional value, and gave satisfying yields and economic results. In 2000, the system was changed so that the term “integrated” was replaced by “optimal”, defined as the treatment that achieves the maximum yield per kilo leached nitrogen. The study comprises a field lysimeter with 12...
Tipo: Research facility description Palavras-chave: Pasture and forage crops Cereals; Pulses and oilseeds Farming Systems Dairy cattle Farm nutrient management Recycling; Balancing and resource management Air and water emissions.
Ano: 2020 URL: http://orgprints.org/7056/1/Korsaeth.pdf
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Feed in organic production Organic Eprints
Danielsson, Dan-Axel.
In this booklet, the most common feed materials in Swedish organic production are listed. For each feed ingredient and feedstuff, nutrient content, treatment, opportunities and restrictions are described for feeding to ruminants, pigs and poultry. Additionally, some guidelines on their use are given. Poultry includes laying hens and broiler chickens, but most information can also apply to ducks, geese and turkeys. The feed resources described are organic ley crops, pasture, whole crops, straw, corn, potatoes, oats, barley, wheat, triticale, rye, faba beans, peas, lupines, rape seed and turnip rape, linseed, soya beans and fish meal. The booklet is relevant and available to use for advisors and farmers.
Tipo: Practice tool Palavras-chave: Pasture and forage crops Cereals; Pulses and oilseeds Feeding and growth.
Ano: 2016 URL: http://orgprints.org/36477/1/36477_Tool_2016_Jordbruksinformation_jo16_12.pdf
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Fertigen einer Broschüre zum Anbau von Gemengen für die Praxis des Pflanzenbaus im ökologischen Landbau Organic Eprints
Rauber, Rolf; Hof, Claudia.
Ziel dieses Projektes war die Fertigung einer Broschüre zum Anbau von Gemengen für die Praxis des ökologischen Landbaus auf Grundlage einer Literaturauswertung und der eigenen Forschungsergebnisse der Arbeitsgruppe am Instituts für Pflanzenbau und Pflanzenzüchtung. Darüber hinaus wurden 23 in der Beratung des ökologischen Landbaus tätigen Personen befragt, um das Wissen aus der Forschung zu ergänzen und eine praxisnahe Broschüre erstellen zu können. In der Broschüre werden ackerbaulich genutzte Gemenge angesprochen, wie z.B. Kleegrasgemenge oder Körnerfruchtgemenge aus Erbse, Hafer und / oder Sommergerste. In einem allgemeinen Teil werden die Vorteile und Beson-derheiten des Gemengeanbaus erläutert, wie z.B. die Erzielung eines Mehrertrag des Gemenges...
Tipo: Report Palavras-chave: Pasture and forage crops Cereals; Pulses and oilseeds Crop combinations and interactions.
Ano: 2003 URL: http://orgprints.org/4746/1/4746%2D02OE221%2Dble%2Dgwdg%2D2003%2Dgemenge.pdf
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Futterqualität, Vorfruchtleistung und Nitratauswaschung von über Winter beweideten Kleegrasbeständen Organic Eprints
Loges, Dr Ralf; Westphal, Dr Derk; Taube, Prof. Dr. Friedhelm.
In comparison to harvesting, grazing is less cost intensive. For economical reasons an extended duration of grazing period is recommended. Grazing during winter can cause pasture damages, which is of minor relevance for older grass clover grown on arable land, which will be ploughed in the following spring. Against this background yield and forage quality of 3 different legume species, i.e. white clover, red clover and alfalfa, grown in binary mixtures with two grass species, perennial ryegrass and tall fescue, respectively, were examined before grazing the third growth in autumn or winter. Nitrate leaching losses during winter and yield of the following spring wheat were recorded. Yield and forage quality of the total sward was not significantly...
Tipo: Conference paper, poster, etc. Palavras-chave: Pasture and forage crops Cereals; Pulses and oilseeds Crop husbandry.
Ano: 2009 URL: http://orgprints.org/14572/1/Loges_14572.pdf
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KTBL-Datensammlung Ökologischer Landbau Organic Eprints
Problemstellung Im ökologischen Landbau besteht ein Bedarf an Planungsdaten, der nur unzureichend gedeckt ist. In den Projekten im Rahmen des Bundesprogramms Ökologischer Landbau werden vielfältige Ergebnisse erarbeitet, die für Planungszwecke genutzt werden können. Ähnliches gilt für Projekte an Landesanstalten, Landwirtschaftskammern, Fachhochschulen und Universitäten. Die Aufbereitung dieser Ergebnisse für die Praxis erfolgt teilweise nur unvollständig, da die Ergebnisse in Form von ausführlichen Projektberichten vorliegen, die nur begrenzt zugänglich und nutzbar sind oder weil die Informationen der verschiedenen Berichte nicht immer miteinander kompatibel sind, da sie sich in den Dimensionen, dem Aggregierungsgrad, der Art der Erhebung und in der...
Tipo: Project description Palavras-chave: Pasture and forage crops Cereals; Pulses and oilseeds Vegetables Sheep and goats Farm economics Poultry Crop combinations and interactions Dairy cattle Root crops Buildings and machinery Pigs Beef cattle.
Ano: 2020
Registros recuperados: 39
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