Search Results - "Langer, Vibeke"

Responding to environmental regulations through collaborative arrangements: Social aspects of manure partnerships in Denmark by Asai, Masayasu, Langer, Vibeke, Frederiksen, Pia

“…In livestock-intensive regions of Europe, on-farm application of manure and other fertilisers is being increasingly regulated to protect aquatic environments…”
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Livestock farmer perceptions of successful collaborative arrangements for manure exchange: A study in Denmark by Asai, Masayasu, Langer, Vibeke, Frederiksen, Pia, Jacobsen, Brian H.

“…•Environmental regulations in Denmark have restricted excessive application of manure.•Self-governing manure exchanges have been widely undertaken by Danish…”
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Road verges and winter wheat fields as resources for wild bees in agricultural landscapes by Henriksen, Casper Ingerslev, Langer, Vibeke

“…•Organic farming showed strongest effect on density of high value bee plants.•Organic farming increased density of high value bee plants in road verges.•System…”
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Collaborative partnerships between organic farmers in livestock-intensive areas of Denmark by Asai, Masayasu, Langer, Vibeke

“…Specialisation within organic agriculture in many western European countries has led to the decoupling of crop and animal systems, resulting in a shortfall in…”
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Parasitoids of the cabbage seed weevil deliver high and consistent parasitism in variable landscapes: A showcase of conservation biocontrol by Langer, Vibeke, Jensen, Signe Marie

“…BACKGROUND Insect pest resistance to insecticides and societal pressure to reduce pesticide load has increased oilseed rape (OSR) farmers' motivation to…”
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Environmental assessment of organic juice imported to Denmark: a case study on oranges (Citrus sinensis) from Brazil by Knudsen, Marie Trydeman, Fonseca de Almeida, Gustavo, Langer, Vibeke, Santiago de Abreu, Lucimar, Halberg, Niels

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Life Cycle Assessment of fossil energy use and greenhouse gas emissions in Chinese pear production by Liu, Yuexian, Langer, Vibeke, Høgh-Jensen, Henning, Egelyng, Henrik

“…A Life Cycle Assessment (LCA) was performed to analyze environmental consequences of different pear production chains in terms of fossil energy use and…”
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The potential of leys and short rotation coppice hedges as reservoirs for parasitoids of cereal aphids in organic agriculture by Langer, Vibeke

“…The aim of this study was to assess whether leys used for nitrogen fixation and fodder, which cover from a fifth to more than half the acreage on organic…”
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Energy efficiency of organic pear production in greenhouses in China by Liu, Yuexian, Høgh-Jensen, Henning, Egelyng, Henrik, Langer, Vibeke

“…The development of organic protected cultivation taking place in densely populated areas has raised the question whether it is an environmentally friendly…”
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LOCALISATION AND CONCENTRATION OF ORGANIC FARMING IN THE 1990s - THE DANISH CASE by FREDERIKSEN, PIA, LANGER, VIBEKE

“…ABSTRACT This paper explores the localisation of organic farms in Denmark for the three years 1994, 1997 and 2001, on a county and parish level. Spatial…”
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Environmental assessment of organic juice imported to Denmark: a case study on oranges (Citrus sinensis) from Brazil by Knudsen, Marie Trydeman, Fonseca de Almeida, Gustavo, Langer, Vibeke, Santiago de Abreu, Lucimar, Halberg, Niels

“…Growing global trade with organic products has given rise to a debate on the environmental impacts during both production and transport. Environmental hotspots…”
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Bias in Peer Review of Organic Farming Grant Applications by Rasmussen, J, Langer, V, Alrøe, H.F

“…Peer reviews of 84 organic farming grant applications from Sweden were analyzed to determine whether the reviewers' affiliation to one of two types of…”
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Energetic, economic and ecological balances of a combined food and energy system by Kuemmel, Bernd, Langer, Vibeke, Magid, Jakob, De Neergaard, Andreas, Porter, John R

“…Agriculture is one of the industries most exposed to climate change and is also a contributor of anthropogenic CO 2 emissions to the atmosphere. In this paper…”
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Energy use in organic, green and conventional pear producing systems--cases from China by Liu, Yuexian, Langer, Vibeke, Hogh-Jensen, Henning, Egelyng, Henrik

“…The objective of this study was to evaluate the differences in the energy consumption between the production of certified organic pear, green food certified…”
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Changes in farm structure following conversion to organic farming in Denmark by Langer, V.

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Changes in farm structure following conversion to organic farming in Denmark by Langer, Vibeke

“…Compared with conventional farms, organic farms are expected to be more diverse, less specialized and less intensive, and as a group contribute to a more…”
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Spatial Focus of MSc and PhD Agricultural Research in Denmark, U.S., and Canada by Langer, V, Rasmussen, J, Francis, C

“…There is a strong focus in agricultural higher education thesis projects on lower levels of spatial scale such as molecular biology, at the expense of broader…”
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Intercropping for pest management: the ecological concept by Langer, V, Kinane, J, Lyngkjær, M

“…This chapter discusses the ecological basis of the effects of intercropping on host plant quality, microclimatic conditions; initial disease inoculation,…”
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