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Registros recuperados: 5
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Contribution of organic farming to conserving and improving biodiversity in Germany – the example avi-fauna Organic Eprints
Rahmann, Gerold; Paulsen, Hans-Marten; Hötker, Hermann; Jeromin, Knut; Schrader, Stefan; Haneklaus, Silvia; Schnug, Ewald.
Although it is the aim of organic farming to increase biodiversity, there is little knowledge about the impact of organic farming on birds. From 2001 to 2003, the number of breeding birds was recorded annually on the organic experimental farm of the Institute of Organic Farming (600 ha), and on adjacent conventional and organic farms (60 ha and 40 ha) in Northern Germany. The number of skylark (Alauda arvensis) territories increased considerably after the conversion from conventional to organic farming on the premises of the Institute. Their number remained unvaried on the conventional farm. The highest density of skylark territories was found on the farm which has been under organic management for many years. The number of yellowhammer (Emberiza...
Tipo: Conference paper, poster, etc. Palavras-chave: Biodiversity and ecosystem services.
Ano: 2006 URL: http://orgprints.org/9307/1/AAB06_biodiversity.pdf
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Gefäßversuch mit gesteigerter Kaliumdüngung als methodischer Ansatz einer Wirksamkeitsprüfung biologisch-dynamischer Präparationen Organic Eprints
Matthes, Christoph; Spieß, Hartmut; Haneklaus, Silvia.
Effects of biodynamic yarrow preparation and plant extracts of Achillea millefolium and Digitalis purpurea on development, yield and nutrient content of radish were investigated at different rates of potassium supply in a two-year pot experiment. The results of this approach for testing biodynamic preparations depended on environmental conditions and the physiological stage of the plants at harvest. Treatments with Achillea and Digitalis had similar effects on yield and nutrient contents in tubers of radish.
Tipo: Conference paper, poster, etc. Palavras-chave: Specific methods; Vegetables; Crop husbandry.
Ano: 2005 URL: http://orgprints.org/3498/1/3498.pdf
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Organic farming - stewardship for food security, food quality, environment and nature conservation Organic Eprints
Schnug, Ewald; Haneklaus, Silvia; Rahmann, Gerold; Paulsen, Hans-Marten; Walker, Robin.
Conventional agriculture is associated with problems such as pesticide residues in soils and plants, contamination of meat with antibiotics and hormones, and eutrophication of water bodies. An alternative for consumers is the consumption of products from organic farming. Organic management is possible on arable farms, although livestock is often a crucial part of the system as manure and slurry can contribute significantly to maintaining closed nutrient cycles. Independent of the management system, it is not possible to exclude nutrient losses to the environment on agricultural fields, but acceptable loads need to be defined. Organic farming can contribute to environmental protection and nature conservation in many ways, for instance by improving soil...
Tipo: Conference paper, poster, etc. Palavras-chave: Environmental aspects; "Organics" in general.
Ano: 2006 URL: http://orgprints.org/9311/1/ABB06_Stewardship.pdf
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Quality Assessment of Summer and Autumn Carrots from a Biodynamic Breeding Project and Correlations of Physico-Chemical Parameters and Features determined by Picture Forming Methods Organic Eprints
Hagel, Ingo; Bauer, Dieter; Haneklaus, Silvia; Schnug, Ewald.
Assessment of product quality is of special significance in organic farming and includes the supervision of crop quality in different growing systems and the characterisation of different cultivars. Several methods have been developed and applied for this purpose, e.g., the physico-chemical analysis of crops, picture forming methods (PFMs) and plant observation. So far only limited information is available on the com-parability of these methods. This contribution aims to compare the results of the analysis of physico-chemical parameters of summer and autumn carrots with features determined by PFMs by means of correlation analysis. High and significant correlation coefficients were found between quality parameters of summer and autumn carrots from a...
Tipo: Conference paper, poster, etc. Palavras-chave: Crop health; Quality; Protection Food security; Food quality and human health Breeding; Genetics and propagation.
Ano: 2000 URL: http://orgprints.org/6128/1/Hagel_2000_M%C3%B6hren_BSM_IFOAM_2000.pdf
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Schwefelgehalte, Proteinfraktionen und Kleberzugfestigkeit von Weizen – Ergebnisse eines Ringversuchs biologisch-dynamischer Züchter Organic Eprints
Hagel, Ingo; Haneklaus, Silvia; Schnug, Ewald.
Schwefelmangel führt bei Weizen zu erheblich festeren Teigen. Daher kollidierte in den 80er Jahren unvorhergesehen das Zuchtziel einer Steigerung der Backqualität durch eine Straffung der Proteinstruktur mit einer exogen bewirkten zusätzlichen Verfestigung der Proteinmatrix infolge drastisch reduzierter Schwefeleinträge in die Ökosysteme. Eine S-Düngung führte dann auch zu einer Steigerung des Backvolumens. Und zwar nicht weil die Kleber der modernen Weizensorten zu weich, sondern weil sie durch die Züchtung bereits zu stark verfestigt waren und den neuen Umweltverhältnissen nicht mehr angepasst waren. Die hohe technologische Qua-lität dieser Sorten kann daher als Resultat eines züchterisch unbewusst induzierten S-Mangels angesehen werden, denn sie weisen...
Tipo: Journal paper Palavras-chave: Breeding; Genetics and propagation Food security; Food quality and human health.
Ano: 2005 URL: http://orgprints.org/6131/1/Hagel_et_al_2005.pdf
Registros recuperados: 5
Primeira ... 1 ... Última
 

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