Open Access
Cah. Agric.
Volume 26, Number 1, Janvier-Février 2017
Article Number 15003
Number of page(s) 9
Section Études originales / Original Studies
Published online 13 February 2017

© X. Aurégan, Published by EDP Sciences 2017

Licence Creative Commons
This is an Open Access article distributed under the terms of the Creative Commons Attribution License CC-BY-NC (, which permits unrestricted use, distribution, and reproduction in any medium, except for commercial purposes, provided the original work is properly cited.