GH Geographica Helvetica GH Geogr. Helv. 2194-8798 Geographisch-Ethnographische Gesellschaft Zürich Göttingen, Germany 10.5194/gh-38-183-1983 Terres en friches : solutions agricoles expérimentées en Valais Darbelley C. ¹ 1 Bureau d'études régionales de l'EPFZ, Institut d'Economie rurale, Charrat, Switzerland 31 12 1983 38 4 183 186 Copyright: © 1983 C. Darbelley 1983 This work is licensed under the Creative Commons Attribution 3.0 Unported License. To view a copy of this licence, visit https://creativecommons.org/licenses/by/3.0/ This article is available from https://gh.copernicus.org/articles/38/183/1983/gh-38-183-1983.html The full text article is available as a PDF file from https://gh.copernicus.org/articles/38/183/1983/gh-38-183-1983.pdf