Open Access
Cah. Agric.
Volume 24, Number 3, Mai-Juin 2015
Page(s) 151 - 160
Section Études originales / Original Studies
Published online 01 May 2015

© Cirad 2015

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, excepted for commercial purposes, provided the original work is properly cited.