Complex sentence: The Asiago cheese production remains predominant in the Asiago Plateau until the nineteenth century; afterwards the production was also adopted in the neighboring lowland zone and in the near farms of Trentino.
Split into simpler sentences: The Asiago cheese production remains predominant in the Asiago Plateau until the nineteenth century. Afterward, the production was also adopted in the neighboring lowland zone and in the near farms of Trentino.