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Registros recuperados: 73
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SOIL QUALITY AND CROP YIELDS AS AFFECTED BY MICROBIAL INOCULANTS IN NATURE FARMING Organic Eprints
Sangakkara, U.R.; Wijesinghe, D.B.; Attanayake, K.B..
A field study evaluated the impact of Nature Farming with microbial solutions on soil quality and crop yields over one year encompassing tropical wet and dry seasons. The use of green manures or compost as organic matter was superior to using weeds for the same purpose for improving soil quality and crop yields. The microbial inoculant EM proved to have a greater beneficial impact than vermiwash or cattle manure slurries on soil properties and yields of the selected crops. The prospects of Nature Farming with EM are presented as a potential method of organic farming in the tropics
Tipo: Conference paper, poster, etc. Palavras-chave: Production systems Recycling; Balancing and resource management.
Ano: 2014 URL: http://orgprints.org/24120/1/24120_MM.pdf
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Use of straight vegetable oil mixtures of rape and camelina as on farm fuels in agriculture Organic Eprints
Paulsen, H. M.; Wichmann, V.; Schuemann, U.; Richter, B..
Possibilities for using straight vegetable oil (SVO) from Camelina sativa (L.) Crantz (camelina or false flax) and its mixtures with Brassica napus (rape) SVO as fuel in adapted diesel engines are described with chemical parameters, measurements in a test engine and a field test in a tractor. Camelina as a crop is attracting attention in organic farming and is often used in mixed cropping systems with low competition to food production area. Camelina SVO has low oxidation stability. Its polymerization affinity limits the storage time and increase the risk of coking at hot motor components and of thickening processes in the lubricant oil of the engine. In mixtures with rape and camelina SVO, threshold limits for Conradson Carbon Residues and for oxidation...
Tipo: Journal paper Palavras-chave: "Organics" in general Farming Systems Recycling; Balancing and resource management.
Ano: 2011 URL: http://orgprints.org/19912/1/637_OEL_Pflanzenoel_in_JBB_Paulsen.pdf
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Agrophotovoltaik – Auswirkungen auf Mikroklima und landwirtschaftliche Erträge Organic Eprints
Weselek, Axel; Ehmann, Andrea; Zikeli, Sabine; Lewandowski, Iris; Högy, Petra.
Agrophotovoltaik (APV) ermöglicht die simultane Produktion von Nahrungsmitteln und Strom auf derselben Fläche, indem die Solarmodule etwa sechs Meter über der landwirtschaftlichen Fläche montiert sind. In der vorliegenden Studie wurden die Auswirkungen von APV auf die ökologische Produktion von Kleegras und Winterweizen sowie verschiedene mikroklimatische Parameter untersucht. Infolge veränderter mikroklimatischer Bedingungen und einer Reduktion der photosynthetisch aktiven Strahlung, kam es zu einer Abnahme der landwirtschaftlichen Erträge.
Tipo: Conference paper, poster, etc. Palavras-chave: Cereals; Pulses and oilseeds Pasture and forage crops Farm economics Recycling; Balancing and resource management.
Ano: 2019 URL: http://orgprints.org/36099/1/Beitrag_169_final_a.pdf
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OVERLEVELSE AF INDIKATORORGANISMER OG SMITSTOFFER I KOMPOSTTOILETTER OG VED SIMULERET CENTRALISERET EFTERKOMPOSTERING AF AFFØRING FRA MENNESKER Organic Eprints
Møller, J.; Backlund, A.; Jørgensen, L.T.; Forslund, A.; Dalsgaard, A..
Som resultat af projekterne kan drages følgende hovedkonklusioner om kompostering af fæces fra mennesker: Fæces fra de undersøgte typer af kompostbeholdere bør ikke anvendes til jordbrugsformål uden viderebehandling, da dette skønnes at være behæftet med hygiejne- og sundhedsrisici. Det skyldes, at der ikke blev dokumenteret egentlige termofile temperaturstigninger i fæcesmaterialet i komposttoiletenhederne i Hjortshøj, Dyssekilde og Sverige, samt at fækale indikatorbakteriers antal varierede voldsomt, og der ingen entydig tendens var til forekomst af lavere kimtal ved lange opbevaringstider af de opsamlede fækalier.
Tipo: Report Palavras-chave: Recycling; Balancing and resource management.
Ano: 2002 URL: http://orgprints.org/2086/1/Faeceskompostrapport.pdf
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Ekologiskt kretsloppsjordbruk: metod att minimera växtnäringsförluster till Östersjön Organic Eprints
Syftet är att undersöka hur mycket överskottet och förlusterna av kväve och fosfor kan minska i jordbruket genom lokal och regional anpassning av växtodling och djurhållning i enlighet med principerna för kretsloppsbaserad ekologisk odling. Studien genomförs på utvalda ekologiska typgårdar med till den egna foderproduktionen anpassad djurhållning i för landet representativa avvattningsområden. Resultaten från balansräkningar och mätning av växtnäringsförluster ligger till grund för jämförelser med dagens jordbruk och förslag till sådana förändringar av jordbrukets struktur som kan leda till minst en halvering av förlusterna. Projektet ingår som en del i det av EU delfinansierade BSR INTERREG III B-projektet ”Baltic Ecological Recycling Agriculture” (BERAS)...
Tipo: Project description Palavras-chave: Recycling; Balancing and resource management.
Ano: 2023
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Il ruolo della fertirrigazione in agricoltura biologica. Organic Eprints
Canali, Stefano.
La fertirrigazione può essere utilizzata nei sistemi agricoli biologici dove,in sinergia con altre strategie di gestione della fertilità del terreno, può contribuire al raggiungimento di soddisfacenti risultati tecnici ed economici. Tuttavia, per garantire i vantaggi agronomici ed ambientali propri delle produzioni organiche, la fertirrigazione non dovrebbe essere utilizzata come unica tecnica di fertilizzazione, semplicemente sostituendo ai concimi di sintesi i fertilizzanti organici consentiti in agricoltura biologica.
Tipo: Journal paper Palavras-chave: Knowledge management Farm nutrient management Irrigation and drainage Soil quality Recycling; Balancing and resource management.
Ano: 2005 URL: http://orgprints.org/7927/1/Fertirrigazione_AB_SC.pdf
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Studies of the availability of soil phosphorus (P) and potassium (K) in organic farming systems, and of plant adaptations to low P- and K-availability Organic Eprints
Løes, Anne-Kristin.
In organic farming systems, the purchase of nutrients is firmly restricted as compared to conventional farming systems. This will often cause a negative nutrient budget on the field level, especially in cases with low animal density, where more nutrients are removed in yields than are applied in fertilisers. Studies on five organic dairy farms in Southern Norway, that were aiming at self-sufficiency,revealed that the concentrations of ammonium-acetate lactate (AL) soluble phosphorus (P) had decreased with time. The farms had been organically managed since 1986 or earlier. It was found that the higher the initial P-AL concentration,the greater was the decrease that occurred, calculated per year. Out of 156 topsoil samples,only 6 had low P-AL values (< 25...
Tipo: Thesis Palavras-chave: Nutrient turnover Cereals; Pulses and oilseeds Dairy cattle Breeding; Genetics and propagation Vegetables Recycling; Balancing and resource management.
Ano: 2003 URL: http://orgprints.org/7424/1/PhD_thesis_AnneKristin_Loes_2003.pdf
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Entwicklung und Erprobung eines Agroforstsystems im ökologischen Landbau zur Energieholzgewinnung Organic Eprints
Winterling, Andrea; Walter, Roswitha; Brandhuber, Robert; Wiesinger, Klaus; Borchert, Herbert; Burger, Frank; Huber, Thomas.
Das Projekt „Entwicklung und Erprobung eines Agroforstsystems im ökologischen Landbau zur Energieholzgewinnung“ ist eine Kooperation der beiden bayerischen Landesanstalten für Landwirtschaft (LfL) und für Wald und Forstwirtschaft (LWF). Die Versuchsstandorte liegen in der nördlichen Münchener Ebene bei Freising und im südlichen Frankenjura in der Nähe von Kaisheim. Die zentrale Frage des Projektes ist, welche Erträge und Qualitäten die landwirtschaftlichen Feldfrüchte in einem Agroforstsystem im Vergleich zur herkömmlichen Bewirtschaftung ohne Bäume auf dem Acker liefern. Es wird eine positive Wirkung von Baumstreifen im Kurzumtrieb auf den Ertrag der dazwischen liegenden landwirtschaftlichen Kulturen erwartet. Außerdem wird untersucht, ob in einem...
Tipo: Conference paper, poster, etc. Palavras-chave: Recycling; Balancing and resource management.
Ano: 2012 URL: http://orgprints.org/20967/1/Winterling_et_al_2012_Agroforst.pdf
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Verbraucherakzeptanz umweltfreundlicher Lebensmittelverpackung am Beispiel von Öko-Salami Organic Eprints
Ketelsen, Meike; Janssen, Meike.
Die vorliegende Studie hat untersucht, welchen Einfluss umweltfreundliche Verpackung auf die Produktwahrnehmung, Kaufentscheidung und Zahlungsbereitschaft von Verbrauchern hat. Es wurden Verbraucher computergestützt vor Supermärkten befragt und die Daten multivariat ausgewertet. Anhand der Ergebnisse wird aufgezeigt, was eine umweltfreundliche Verpackung erfüllen muss, um von Verbrauchern positiv wahrgenommen zu werden. Darüber hinaus wird der Einfluss der Produktwahrnehmung auf die Kaufentscheidung und Zahlungsbereitschaft von Verbrauchern dargestellt.
Tipo: Conference paper, poster, etc. Palavras-chave: Markets and trade Processing; Packaging and transportation Recycling; Balancing and resource management.
Ano: 2019 URL: http://orgprints.org/36134/1/Beitrag_206_final_a.pdf
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Strengthening the positive links between organic farming and a sustainable development of rural areas Organic Eprints
Knickel, Karlheinz; Münchhausen, von, Susanne; Peter, Sarah.
Organic farming can play a major role in the sustainable development of rural areas. Our assumption is that it supports the finding of a new balance between societal demands for high environmental quality, the pressures resulting from competition in a world market economy and a wide array of rural development goals and initiatives. The German 'Regional Action - Rural Areas Shaping the Future' pilot programme has been implemented in order to gain best-practice models for securing the economic, ecological and social viability of rural areas and for trial-testing a new integrated, bottom-up approach. In this contribution we present the results of an analysis of the project databank of the Regional Action pilot programme. It is concluded that the projects that...
Tipo: Conference paper, poster, etc. Palavras-chave: Policy environments and social economy Landscape and recreation Biodiversity and ecosystem services Social aspects Produce chain management Recycling; Balancing and resource management.
Ano: 2006 URL: http://orgprints.org/8178/1/Knickel_2p.pdf
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Yields and accumulations of N and P in farmer-managed intercrops of maize-pigeonpea in semi-arid Africa Organic Eprints
Myaka, F. M.; Sakala, W. D.; Adu-Gyamfi, J. J.; Kamalongo, D.; Ngwira, A.; Odgaard, R.; Nielsen, N. E.; Høgh-Jensen, H..
Maize (Zea mays L.) is a major staple food in Sub-Saharan Africa but low soil fertility, limited resources and droughts keep yields low. Cultivation of maize intercropped with pigeonpea (Cajanus cajan L. Millsp.) is common in some areas of eastern and southern Africa. The objectives of this study were (1) to investigate dry matter, nitrogen (N) and phosphorus (P) accumulation in different plant components of maize-pigeonpea intercropping systems and (2) to report the effects of the intercrops on soil fertility. Maize-pigeonpea intercrops were compared to sole maize grown using farmers’ practices. Intercropping maize and pigeonpea increased (P<0.05) total system yield compared to sole maize in terms of biomass, N and P accumulation. Pigeonpea planted in...
Tipo: Journal paper Palavras-chave: Food security; Food quality and human health Farm nutrient management Recycling; Balancing and resource management.
Ano: 2006 URL: http://orgprints.org/9306/1/9306.pdf
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Beskrivelse af en fluelarveinfektionsmodel Organic Eprints
Nordentoft, Steen.
Beskrivelse af laboratorieinfektionsmodel til studie af fluelarver og patogener i gødning.
Tipo: Working paper Palavras-chave: Food security; Food quality and human health Recycling; Balancing and resource management.
Ano: 2012 URL: http://orgprints.org/22301/3/22301.pdf
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Organic cash crop farms as net energy producers: Energy balances and environmental effects Organic Eprints
Halberg, Niels; Dalgaard, R.; Berntsen, J.; Olesen, J.E.; Dalgaard, T..
Organic farming (OF) principles include the idea of reducing dependence on fossil fuels, but little has been achieved on this objective so far in Danish OF. Energy use and greenhouse gas emissions from an average 39 ha cash crop farm were calculated and alternative crop rotations for bio-energy production were modelled. Growing rapeseed on 10% of the land could produce bio-diesel to replace 50-60% of the tractor diesel used on the farm. Increasing Grass-clover area to 20% of the land and using half of this yield for biogas production could change the cash crop farm to a net energy producer, reduce green house gas emissions and improve the nutrient management on the farm while reducing overall output of products only marginally.
Tipo: Conference paper, poster, etc. Palavras-chave: Recycling; Balancing and resource management.
Ano: 2005 URL: http://orgprints.org/4364/4/halberg_etal_4p_revised%2Ded.doc
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Energy Utilization in Crop and Dairy Production in Organic and Conventional Livestock Production Systems Organic Eprints
Refsgaard, Karen; Halberg, Niels; Kristensen, Erik Steen.
Searching for livestock production systems with a high energy utilization is of interest because of resource use and pollution aspects and because energy use is an indicator of the intensification of production processes. Due to interactions between crop and livestock enterprises and between levels of different input factors and their effects on yields, it is proposed to analyze agricultural energy utilization through system modelling of data from farm studies. Energy use in small grains, grass-clover and fodder beets registered in organic and conventional mixed dairy farms was analyzed and used together with crop yields in order to model energy prices on three Danish soil types. Conventional crop yields were higher but they also used more indirect energy...
Tipo: Journal paper Palavras-chave: Environmental aspects Farming Systems Recycling; Balancing and resource management.
Ano: 1998 URL: http://orgprints.org/6189/1/6189.pdf
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Concentrations of soil potassium after long-term organic dairy production Organic Eprints
Løes, Anne-Kristin; Øgaard, Anne Falk.
On five long-term organic dairy farms aiming at self-sufficiency with nutrients, soil concentrations of ammonium-acetate lactate extractable potassium (K-AL) and acid-soluble K was measured twice in topsoil (0-20 cm) and subsoil (20-40 cm) over periods of 6-14 years. Organic management had occurred for >9 years at the second sampling. On average there were most probably field level K-deficits. Even so, topsoil K-AL concentrations were medium high (65-155 mg K kg–1 soil), and did not decrease during the study period. However, for three farms, topsoil K-AL was approaching a minimum level determined by soil texture, where further decrease is slow. Subsoil K-AL concentrations were generally low (<65). The soils were mostly light-textured, and reserves of...
Tipo: Journal paper Palavras-chave: Nutrient turnover Farm nutrient management Recycling; Balancing and resource management.
Ano: 2003 URL: http://orgprints.org/5244/1/jas_010_(loesogaard).pdf
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Noter om økologi og bæredygtighed fra møder på Biofach 2011 Organic Eprints
Fog, Erik.
Forfatterens indtryk fra møder om bæredygtighed under den økologiske Biofachmesse 2011 i Nürnberg.
Tipo: Other Palavras-chave: Recycling; Balancing and resource management.
Ano: 2011 URL: http://orgprints.org/21370/1/21370.pdf
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Characterisation of most relevant feedstock for biogas and bioethanol production in organic farming Organic Eprints
Oleskowicz-Popiel, Piotr; Thomsen, Mette Hedegaard; Nielsen, Henrik Bangsø; Schmidt, Jens Ejbye; Thomsen, Anne Belinda.
Bioenergy production from local bioresources has a great potential. It is important to reduce dependency on fossil fuels and decrease green house gas emission in organic agriculture (OA). Both biogas and bioethanol can be produced in OA and significantly contribute to the sustainability of organic farms. Soil fertility is the basis for OA: it has been of concern that the fertility might decline if most of the organic residues were converted into energy and only effluent from anaerobic digestion process was recycled. However, by intelligent management of organic residues and crop rotation it is possible to avoid decrease of soil fertility and at the same time produce renewable energy. The presented study is part of the BioConcens project...
Tipo: Conference paper, poster, etc. Palavras-chave: Biodiversity and ecosystem services Recycling; Balancing and resource management.
Ano: 2008 URL: http://orgprints.org/14402/1/Full_paper_Piotr_Oleskowicz%2DPopiel%2DORAL_Ec29[1].pdf
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Durchführung eines Fachgesprächs "Biogas im ökologischen Landbau" Organic Eprints
Die Auswirkungen der Biogaserzeugung auf den gesamten ökologisch bewirtschafteten Betrieb sind bisher noch wenig untersucht. Durch dieses Fachgespräch sollen Praxiserfahrungen und Forschungsergebnisse zur Biogaserzeugung zusammengetragen werden. An der Diskussion werden sowohl Praktiker und Wissenschaftler als auch Administration und technische Entwicklung beteiligt sein. Ziel ist es, Regelungslücken zu schließen und für die Praxis Handlungsempfehlungen auszusprechen. Aus den verbleibenden offenen Fragen wird zukünftiger Forschungsbedarf abgeleitet. Die Ergebnisse des Fachgespräches werden für die Praxis aufbereitet und stehen als Handlungsempfehlung zur Verfügung.
Tipo: Project description Palavras-chave: Buildings and machinery Recycling; Balancing and resource management.
Ano: 2023
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Rural-urban co-development - challenges to post-industrial society Organic Eprints
Ingemann, Jan Holm.
The World Commission (1987) pointed out that sustainable development in general is a prerequisite to alleviate fatal threats to human future. In this note1 it is stated that it is necessary to return to basic concepts and reflections to ensure that the aim, means, and context are remembered when radical changes to gain sustainability are designed. In particular this is the case when humanity’s social interplay (i.e., technology) with natural life support systems is in focus. Thus, the note is founded on a restatement of basics linked to the essential challenge facing post-industrial societies. In that light it is revealed that the current reactions to the challenge are insufficient because sustainability implies radical rather than marginal changes and...
Tipo: Report chapter Palavras-chave: Recycling; Balancing and resource management.
Ano: 2002 URL: http://orgprints.org/1575/1/Rural_urban.pdf
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Measuring degradation of transgenic DNA and screening for horizontal gene transfer from GMO-plant material during composting Organic Eprints
Magid, Jakob; Rasmussen, Lasse Dam; Moeller, Jacob.
The experiments show that composting of GM plant residues greatly increases the rate of degradation of transgenic DNA compared to the rate for plant residues left in the soil. If the persistence of transgenic DNA in the environments is considered as the only risk factor, composting is a 'DNA-safe' method to treat GM plant residues. However, even though transgenic plant DNA was not detected in bacterial isolates in our experiments, we cannot conclude that horizontal gene transfer can not take place. The 300 isolates tested proved to be too low a number to be conclusive. The numbers of isolates tested were based on the screenings indicating high transfer, but the screenings were biased apparently because some Bacillus species gave PCR products matching the...
Tipo: Conference paper, poster, etc. Palavras-chave: Recycling; Balancing and resource management.
Ano: 2004 URL: http://orgprints.org/3622/1/3622.pdf
Registros recuperados: 73
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