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Registros recuperados: 8
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A review of knowledge of the potential impacts of GMOs on organic agriculture Organic Eprints
Dale, Phillip; Clarke, Belinda; Fontes, Eliana; Martin, Wolfe; Pearce, Bruce; Welsh, James.
The organic movement believes that organic agriculture, by its nature, cannot involve the use of genetically modified organisms (GMOs). This has been incorporated into EU regulations which state that there is no place in organic agriculture for GMOs. The aim in this review is to consider the ways in which the use of GMOs in agriculture in the UK and internationally might impact on organic farming. It does not address the controversy about the rights or wrongs of GMO’s per se. The subjects covered are based on a set of questions raised at the beginning of the study. The review is based primarily on evidence from peer-reviewed literature. The report is based on a number of themes, as follows: • Fate of DNA in soil • Fate of DNA in livestock feed...
Tipo: Report Palavras-chave: Environmental aspects Crop health; Quality; Protection Feeding and growth.
Ano: 2001 URL: http://orgprints.org/6843/1/6843.pdf
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Humussphäre - Projekt zu energiesparenden und humusaufbauenden Methoden in der Landwirtschaft, Teil 2: Das Jahr 2006 Organic Eprints
Strüber, Klaus.
Humussphäre ist ein Projekt zu humusaufbauenden und energiesparenden Methoden in der Landwirtschaft. Durchgeführt wird es seit März 2005 auf dem Hof Hollergraben in Norddeutschland, einem 24 Hektar großen landwirtschaftliche Betrieb, der seit 1977 nach biologisch-dynamischen Richtlinien bewirtschaftet wird. Das Projekt Humussphäre untersucht zuerst Methoden, mit denen die Bodenfruchtbarkeit, die Bodengare und der Humusgehalt, also die Lebendigkeit des Bodens auf ein höheres Niveau angehoben werden kann, um dann festzustellen, ob auf diesen Böden Pferde wirtschaftlich und ökologisch erfolgreich eingesetzt werden können. Im zweiten Jahr des Projektes (2006) wurden vorrangig betriebswirtschaftliche Aspekte des Zugpferde-Einsatzes behandelt.
Tipo: Journal paper Palavras-chave: Environmental aspects Crop health; Quality; Protection Soil Soil tillage Farm economics.
Ano: 2007 URL: http://orgprints.org/10920/1/Humussph%C3%A4re_2006.pdf
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Effect of organic, low-input and conventional production systems on pesticide and growth regulator residues in wheat, potato and cabbage Organic Eprints
Lueck, L.; Schmidt, C.S.; Cooper, J.M.; Shotton, P.N.; Hajslova, J.; Schulzova, V.; Leifert, C..
The Nafferton factorial systems comparison (NFSC) experiments facilitate the investigation of effects of, and interaction between, three production system components - a) rotational position, b) fertility and c) crop protection management - in organic, conventional and low-input crop management systems. This paper presents first results on pesticide and growth regulator residues observed over a period of two years. Residues were only detected for three (Chlormequat, Chlorothalonil and Aldicarb) of the 28 pesticides used in the experiments. As expected, residue levels were affected by the crop protection practices, but significant effects of fertility management practices were also detected. This indicates that the human health risks associated with...
Tipo: Conference paper, poster, etc. Palavras-chave: Environmental aspects Crop health; Quality; Protection Farming Systems.
Ano: 2007 URL: http://orgprints.org/10380/1/lueck%2Detal%2D2007%2Dpesticide%2Dgrowth%2Dregulator.pdf
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Meta-analysis is a powerful tool to summarize variety mixture effects - exemplified by grain yield and weed suppression of spring barley Organic Eprints
Kiær, Lars; Skovgaard, Ib; Østergård, Hanne.
In a new project, we aim to increase the general understanding of the power of meta-analysis to combine existing experimental results on variety mixtures. In this way, explanatory power can be increased compared to separate analyses and overall measures and relationships may be revealed. We will thus pursue to uncover a number of critical issues, including the relative importance of various traits and trait combinations on mixing success. To demonstrate the methods of meta-analysis applicable for variety mixture data, we considered a data set consisting of grain yield and weed ground cover assessments in 16 field trials of six 3-component variety mixtures and their components (part of the Danish BAR-OF field trials). The effects of mixing were analysed...
Tipo: Conference paper, poster, etc. Palavras-chave: Environmental aspects Crop health; Quality; Protection Crop combinations and interactions Weed management Farming Systems.
Ano: 2006 URL: http://orgprints.org/9380/1/9380.pdf
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Risikomanagement von Pflanzenschutzmittel-Rückständen und Verunreinigungen mit ubiquitären persistenten Umweltschadstoffen bei Produkten des Ökologischen Landbaus Organic Eprints
Neuendorff, Jochen.
Die Qualität von Bio-Produkten kann auch bei vollständiger Einhaltung der Richtlinien für den Ökologischen Landbau durch Rückstände von Pflanzenschutzmitteln oder Umweltschadstoffen aus dem Boden oder der Luft beeinträchtigt werden. Die vorliegende Arbeit beschreibt die gesetzlichen und privatrechtlichen Rahmenbedingungen für das Risikomanagement von Rückständen und Kontaminationen von Produkten aus Ökologischem Landbau. Für den Bereich Pflanzenschutzmittelrückstände wird ein Manual "Risikomanagement von Pflanzenschutzmittelrückständen in Lebensmitteln aus Ökologischem Landbau" vorgelegt, das im Rahmen eines Unterauftrags von Martin Rombach erarbeitet wurde. Es wendet sich an Unternehmen der ökologischen Lebensmittelwirtschaft, die zur Qualitätssicherung...
Tipo: Report Palavras-chave: Environmental aspects Crop health; Quality; Protection Food security; Food quality and human health.
Ano: 2006 URL: http://orgprints.org/10658/4/10658%2D03OE461%2DGfRS%2Dneuendorff%2D2006%2Dumweltschadstoffe.pdf
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Trophobiosis Theory: A Pest Starves on a Healthy Plant Organic Eprints
Paull, John.
Pests shun healthy plants. Pesticides weaken plants. Weakened plants open the door to pests and disease. Hence pesticides precipitate pest attack and disease susceptibility, and thus they induce a cycle of further pesticide use. This is the essence of Trophobiosis Theory, a thesis presented by Francis Chaboussou, an agronomist of the France’s National Institute of Agricultural Research (INRA), in “Healthy Crops: A New Agricultural Revolution”. After two decades, this important book is finally available in English. Plant pathologist Chaboussou (b.1908 - d.1985) saw with a clear eye that just as there are iatrogenic, doctor-caused, medical problems, likewise there are agrogenic, farmer-caused, agricultural problems. Chaboussou offers a lifetime’s...
Tipo: Journal paper Palavras-chave: Environmental aspects Crop health; Quality; Protection "Organics" in general Food systems Farming Systems Knowledge management.
Ano: 2007 URL: http://orgprints.org/12894/1/12894.pdf
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Agro-environmental evaluation of vineyard management using organic farming and integrated plant production systems Organic Eprints
FORGET, D.; LACOMBE, J.; DURAND, A..
Organic farming is often considered to be the most environmentally-friendly crop management system, even if integrated production also aims at decreasing the impact of agriculture on the natural environment. In order to establish references for the agro-environmental evaluation of these two production systems in relation to grape growing, INRA carried out an initial study from 2001 to 2004 at the plot scale. This study focused on two grape varieties (Merlot N and Cabernet Sauvignon) in its Couhins vineyard (Graves cru classé), located on two organically-farmed plots and two plots using integrated production, a system based on the implementation of decision rules aimed at limiting the number of pest control treatments. Production means only differed in...
Tipo: Journal paper Palavras-chave: Environmental aspects Crop health; Quality; Protection Viticulture.
Ano: 2009 URL: http://orgprints.org/15490/1/35%2DForget.pdf
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Trophobiosis Theory: A Pest Starves on a Healthy Plant Organic Eprints
Paull, John.
Trophobiosis Theory is a thesis proposed by Francis Chaboussou, an agronomist of the France’s National Institute of Agricultural Research (INRA), in “Healthy Crops: A New Agricultural Revolution”. After two decades, this important book is finally available in English. Trophobiosis has been characterised by the former Minister for the Environment in Brazil, Jose Lutzenberger, as: “a pest starves on a healthy plant” (1995). The essence of Trophiobiosis theory is that pests shun healthy plants, pesticides weaken plants, and weakened plants are more open to pests and disease, and hence pesticides precipitate pest attack and disease susceptibility and thus induce a cycle of further pesticide use.
Tipo: Journal paper Palavras-chave: Environmental aspects Crop health; Quality; Protection "Organics" in general Soil Farming Systems Crop husbandry.
Ano: 2008 URL: http://orgprints.org/14750/1/14750.pdf
Registros recuperados: 8
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