Complex sentence: It came with three attached farms ("poderes ") and operated under the mezzadria system whereby the tenant farmers ("contadini ") paid rent to the"padrona" consisting of half their production.
Split into simpler sentences: It came with three attached farms ("poderes ") and operated under the mezzadria system. Mezzadria was a sharecropping system whereby the tenant farmers ("contadini ") paid rent to the"padrona" consisting of half their production.