Table 1.

Characteristics of the Gréoux and Clermont experimental sites.

Sites	Latitude	Longitude	Number of plots	Sowing date	Sowing density (seeds/m2)
Gréoux	43°45′N	5°53′E	66	27/10/2015	300
Clermont	45°46′N	3°70′E	123	02/11/2016	280