Method for the cultivation of pluriennial plants belonging to the cardueae tribe and for the integrated recovery of inulin, seeds and biomass from the said plants

A method for cultivating polyannual plants belonging to the Cardueae tribe, which comprises the steps of:

• a) sowing the seeds of said plants with a crop density of at least 4 plants per square meter of soil;
• b) optionally adjusting the content of N in the soil on which said seeds were planted at a content of N of less than 50 Kg/(ha*year);
• c) collecting at least a portion of the underground part and at least a portion of the aerial part of the plants raised from the sowing of step a) starting from the third year of cultivation, between the phenological stage of flowering and the phenological stage of senescence of such plants.