Our experimental 15-hectare vineyard is planted with the main grape varieties of the Southwest. It also includes a plot of grape varieties with more than 300 varieties listed. Located in the direct vicinity of the farm buildings, the plots are representative of many different conditions in terms of soil (silt, sand, clay, pebbles) and at the topography level (flat, slope, side slope). Two main pruning methods are represented: the Guyot and the cordon.