V. Langer

发表

Life cycle assessment of fossil energy use and greenhouse gas emissions in Chinese pear production

Yuexian Liu, H. Egelyng, V. Langer, 2010 .

Environmental assessment of organic juice imported to Denmark: a case study on oranges (Citrus sinensis) from Brazil

Niels Halberg, Vibeke Langer, Marie Trydeman Knudsen, 2011, Organic Agriculture.

Energy Use in Organic, Green and Conventional Pear Producing Systems—Cases from China

Yuexian Liu, H. Egelyng, V. Langer, 2010 .

Road verges and winter wheat fields as resources for wild bees in agricultural landscapes

V. Langer, Casper Christian I Henriksen, 2013 .

Collaborative partnerships between organic farmers in livestock-intensive areas of Denmark

V. Langer, Masayasu Asai, 2014, Organic Agriculture.

Bridging the gap between scientific knowledge and practice: how can we assist organic farmers in sustaining wild bees and pollination on their farms?

V. Langer, 2014 .

Patterns of resource use on Danish organic farms: aspects of farm-based rural development

P. Frederiksen, V. Langer, 2008 .

Energetic, economic and ecological balances of a combined food and energy system

Jakob Magid, Vibeke Langer, Andreas de Neergaard, 1998 .

The potential of leys and short rotation coppice hedges as reservoirs for parasitoids of cereal aphids in organic agriculture

V. Langer, 2001 .

Factors reducing yield of organic white clover seed production in Denmark

V. Langer, B. Rohde, 2005 .

Nature Management and livelihood strategies on Danish organic farms

P. Frederiksen, V. Langer, 2004 .

Pests and diseases in organically grown vegetables in Denmark: a survey of problems and use of control methods.

V. Langer, 1995 .

Insect‐crop interactions in a diversified cropping system: parasitism by Aleochara bilineata and Trybliographa rapae of the cabbage root fly, Delia radicum, on cabbage in the presence of white clover

V. Langer, 1996 .

Innovative Education in Agroecology: Experiential Learning for a Sustainable Agriculture

Nadarajah Sriskandarajah, Charles Francis, Tor Arvid Breland, 2011 .

Structural development in Danish agriculture and its implications for farmland nature

P. Frederiksen, G. Levin, V. Langer, 2006 .

Responding to environmental regulations through collaborative arrangements: Social aspects of manure partnerships in Denmark

P. Frederiksen, V. Langer, Masayasu Asai, 2014 .

Collaborative partnerships between organic farmers in livestock-intensive areas of Denmark

V. Langer, Masayasu Asai, 2014, Organic Agriculture.

Transport is important in the carbon footprint of imported organic plant products.

N. Halberg, M. T. Knudsen, Luo-bin Yan, 2011 .

Density, structure and management of landscape elements on Danish organic farms

P. Frederiksen, V. Langer, 2005 .

Energy efficiency of organic pear production in greenhouses in China

Henrik Egelyng, Vibeke Langer, Yuexian Liu, 2010, Renewable Agriculture and Food Systems.