|
|
|
| Registros recuperados: 138 | |
|
|
| Reeh, U.; Møller, J.. |
| Biological treatment of organic waste by aerobic composting and anaerobic digestion (biogas production) was compared with respect to a number of environmental effects and sustainability criterias including energy balance, nutrient recycling, global warming mitigation potential, emission of xenobiotic compounds and economy. The parameters were assessed based on case studies in the literature as well as our own research. Assessment of energy balance, nutrient recycling and global warming came out in favour of biogas production, but especially the results regarding estimation of global warming mitigation differ according to the assumptions made. Our calculations showed that a fugitive loss of approx. 14% of the biogas produced by anaerobic digestion will turn... |
| Tipo: Report chapter |
Palavras-chave: Recycling; Balancing and resource management. |
| Ano: 2002 |
URL: http://orgprints.org/1924/1/1924.pdf |
| |
|
| |
|
|
| Kahiluoto, H.; Bäckman, S.; Hannula, A.; Kakriainen, S.; Krumalowa, V.; Kuisma, M.; Lehto, T.; Mikkola, M.; Sumelius, J.; Seuri, P.; Vihma, A.; Granstedt, A.. |
| The aim of the study was to determine the potential, impact and prerequisites of localization and enhanced recycling in a rural food system, illustrated by the case of Juva milk. An interdisciplinary scenario based on the increase of local, organic milk to 50 % of milk comsumption was created and the sustainability was compared, on the basis of the statistics and data collected from the actors, with the present milk system. |
| Tipo: Conference paper, poster, etc. |
Palavras-chave: Recycling; Balancing and resource management. |
| Ano: 2005 |
URL: http://orgprints.org/5220/1/5220.pdf |
| |
|
| |
|
|
| Granstedt, Artur; Seuri, Pentti; Thomsson, Olof. |
| In this report the historical background and present situation of the plant nutrient balances and surplus of plant nutrients within the agricultural sector in the eight countries of the Baltic Sea catchments area (Sweden, Finland, Estonia, Latvia, Lithuania, Poland, Denmark, Germany and Russia) are presented and analysed. The Baltic Ecological Recycling Agriculture and Society (BERAS) project is evaluating the consequences of converting the whole agricultural sector according to recycling principles. This analysis is being based on data from selected ecological recycling farms within the Baltic drainage area and will be presented in a series of project reports of which this is the first for Work Package 2, Effects on environment, natural resources and... |
| Tipo: Report |
Palavras-chave: Recycling; Balancing and resource management. |
| Ano: 2004 |
URL: http://orgprints.org/4212/1/4212.pdf |
| |
|
| |
|
| |
|
| |
|
| |
|
|
| Wlcek, Sonja; Zollitsch, Werner. |
| Since keeping nutrient cycles intact is one of the most important goals in organic farming, the option of recycling by-products from organic food processing by feeding them to organically raised pigs was analyzed in this study. A more specific objective was to estimate the potential of this nutrient source in reducing the protein deficiency in organic pig nutrition. Sector-specific questionnaires were sent to 321 processors of organic foods in Austria. The information provided was used to estimate the total quantity available of the respective by-products. Proximate analysis, amino acid and mineral analysis were performed for different by-products. These data were combined with the available quantities of the respective by-products, resulting in the... |
| Tipo: Journal paper |
Palavras-chave: Recycling; Balancing and resource management Feeding and growth. |
| Ano: 2004 |
URL: http://orgprints.org/3549/1/raf190159_article.pdf |
| |
|
| |
|
|
| Rittl, Tatiana; Krogstad, Tore; Eikås, Sondre; Saltnes, Torgeir; Sørensen, Gjermund; Glestad, Hans Emil; Løes, Anne-Kristin. |
| The soil P concentration commonly declines over time by organic management, if the farm does not acquire enough fertilisers or other inputs containing P from outside. An interesting source to supply farms with P is struvite (magnesium‐ammonium phosphate). This mineral easily precipitates when the concentrations of these nutrients is high enough, such as in a toilet separating urine. Struvite may be produced in a wastewater treatment plant, as a method to reduce the P concentration in the water reaching the recipient. If struvite is allowed as a mineral fertiliser in the general fertiliser regulation of the European Union,which is currently under revision, this mineral may be allowed also in certified organic agriculture. A wastewater treatment plant in... |
| Tipo: Report |
Palavras-chave: Recycling; Balancing and resource management Nutrient turnover. |
| Ano: 2019 |
URL: http://orgprints.org/36472/1/NORS%C3%98K%20RAPPORT%2010%20struvitt%20FINAL%20Sept%205%202019%20trykk.pdf |
| |
|
|
| Möller, Dr. Kurt; Stinner, Walter; Deuker, Arno; Leithold, Prof. Dr. Günter. |
| In two agricultural systems with and without animal husbandry the potential to produce renewable energy by digesting slurry and organic residues to biogas were assessed. In comparison to some other methods of energy production by biomass biogas production has the advantage of keeping the nutrients of the substrates within the agricultural system. They can be used as fertilisers. In the investigated system with milk production (0,8 cows ha-1, 8 crops, among them 4 cereals, peas, potatoes and 2 clover grasses with catch crops after winter cereals and peas (see DEUKER et al. 2005), it is possible not only to ferment slurry, but also catch crops and straw of peas and cereals. The methan production potential by digesting only slurry is the equivalent of around... |
| Tipo: Conference paper, poster, etc. |
Palavras-chave: Recycling; Balancing and resource management Composting and manuring Air and water emissions. |
| Ano: 2005 |
URL: http://orgprints.org/3706/1/3706.pdf |
| |
|
|
| Znaor, Darko. |
| Water is a critical natural resource. It is used for drinking water, agriculture, wetlands services, and the production of hydroelectric energy, amongst others. Croatian fresh-water resources are abundant - indeed they are among the richest in Europe. Therefore, water resources are not considered a limiting factor for development in Croatia. However, while there is no shortage of water per se for use in Croatia, problems do exist. - First, a large amount of pumped water is wasted, which leads to lost revenue of up to EUR 286 million (0.9% of GDP) per year and increased GHG emissions resulting from the additional use of electricity for pumping. - Second, farmers often face water shortages at certain critical times of the year’s growing season and, in... |
| Tipo: Book chapter |
Palavras-chave: Recycling; Balancing and resource management Nutrient turnover Air and water emissions Policy environments and social economy Research methodology and philosophy. |
| Ano: 2009 |
URL: http://orgprints.org/26385/8/26385.pdf |
| |
|
|
| Hauggaard-Nielsen, Henrik. |
| Landbrugssektoren vil komme til at spille en stadig større rolle for forsyning af samfundet med biobaserede produkter, og herunder biobrændstoffer som bioethanol og biodiesel. Energiforsyningen til transportsektoren, og andre sektorer i øvrigt, er i forandring i disse år. Der er tale om et markant paradigmeskifte fra et system baseret på fossil energi til et system, der skal implementere andre og mere vedvarende energiløsninger. Det tager tid. Men det vurderes at være meget nødvendigt at identificere danske styrkepositioner og ressourcer for at give landbrugssektoren mulighed for at agere proaktivt og drage nytte af dette forventelige vækstområde. Landbrugets muligheder for at drage nytte af en mere biobaseret økonomisk udvikling som store. Men det kræver... |
| Tipo: Teaching resource |
Palavras-chave: Recycling; Balancing and resource management Crop husbandry Farm nutrient management. |
| Ano: 2010 |
URL: http://orgprints.org/18964/3/18964.pdf |
| |
|
| |
|
|
| Jensen, Erik S.; Peoples, Mark B.; Boddey, Robert M.; Gresshoff, Peter M.; Hauggaard-Nielsen, Henrik; Alves, Bruno J.R.; Morrison, Malcolm J.. |
| Legumes are unique plants which contribute with several functions and services of great value for agriculture and society. Including legume food, forage and tree crops in farming systems is one approach to mitigate climate change. We have shown that the ability of the legumes to fix there own N via the symbiosis with rhizobia will reduce CO2 and N2O emissions compared to crops fertilized with industrial N. There is, however, a requirement to better understand the potential residual effects of legumes on N2O emissions. We have similarly shown that legumes have a key role in soilC sequestration and that the inclusion of legumes as sole crops, cover crops or intercrops usually enhances the rate of soil C accumulation even within relative short time periods.... |
| Tipo: Journal paper |
Palavras-chave: Recycling; Balancing and resource management Air and water emissions Greenhouses and coverings Farm nutrient management. |
| Ano: 2012 |
URL: http://orgprints.org/20912/4/19655.pdf |
| |
|
|
| Zürcher, Ernst. |
| Inwieweit der Zeitpunkt des Holzeinschlags und damit bestimmte Rhythmen des Mondes Einfluss auf bestimmte Holzeigenschaften haben, sollte mit der vorliegenden Untersuchung geklärt werden. Dazu wurden bei Holzproben aus 4 mal 144 Bäumen (Fichte, Esskastanie, 4 Standorte) von Fälldaten aus einem Zeitraum von 24 Wochen auf Wasserverlust, Dichte, Schwindmaß und Wasseraufnahme getestet. Die Ergebnisse zeigen Beziehungen zu synodischen und siderischen Mondzyklen, allerdings differenzierter, als es traditionelle Fällregeln formulieren. |
| Tipo: Newspaper or magazine article |
Palavras-chave: Recycling; Balancing and resource management. |
| Ano: 2010 |
URL: http://orgprints.org/28196/1/Forschung_2010-1.pdf |
| |
|
|
| Kvande, Ingvar; Cabell, Joshua; Stensgård, Aina Elstad; Saxegård, Simon; Morken, John. |
| Smøla Klekkeri og Settefisk AS klekker yngel og forer fram settefisk. På grunn av en begrenset vannressurs bygde de et av de første resirkulerings-anleggene (RAS – recirculating aquaculture systems) i Norge. Fra og med 2013 har de i samarbeid med Biotek, senere Biotek Sterner og nå Sterner de utviklet et biogassanlegg som kan håndtere rent fiskeslam. Hovedmotivasjonen for bygging av et slikt anlegg har vært å oppfylle myndighetenes krav på 50 % reduksjon i innholdet av partikulært materiale. Man har i tillegg sett på muligheten for utnyttelse av gassen for å dekke egne energibehov. Basert på anlegget på Smøla har Sterner Biotek valgt å kommersialisere teknologien og har bygd et anlegg som er 7 ganger større enn det på Smøla for Cermaq Norway AS, avd.... |
| Tipo: Report |
Palavras-chave: Recycling; Balancing and resource management Air and water emissions. |
| Ano: 2018 |
|
| |
|
| |
| Registros recuperados: 138 | |
|
|
|
