creators_name: Bleken, Marina A. creators_name: Steinshamn, Håvard creators_name: Thuen, Erling creators_name: Koesling, Matthias type: conference_item datestamp: 2005-11-15 lastmod: 2009-08-20 14:25:21 metadata_visibility: show title: CLOSING THE PLANT-ANIMAL LOOP: A PREREQUISITE FOR ORGANIC FARMING ispublished: unpub subjects: 1animalprod full_text_status: restricted keywords: emission factor, life cycle analysis, N utilisation, agricultural system, nitrogen abstract: An analysis of a number of published surveys of dairy farms in Europe is used to exemplify the consequences of the use of external feed on nitrogen loss from organic animal productions. It is concluded that the present international regulations are not adequate to enforce the adoption of environmentally friendly and sustainable organic production systems, in harmonious balance between crop production and animal husbandry. date: 2005 date_type: published refereed: yes citation: Bleken, Marina A.; Steinshamn, Håvard; Thuen, Erling and Koesling, Matthias (2005) CLOSING THE PLANT-ANIMAL LOOP: A PREREQUISITE FOR ORGANIC FARMING. Researching Sustainable Systems - International Scientific Conference on Organic Agriculture, Adelaide, Australia, September 21-23, 2005. [ Unpublished, ] document_url: http://orgprints.org/4304/3/Bleken_etal_4p_revised-ed.doc