What is the main difference between farming in the Appalachian Plateau and the Appalachian Valley?

What is the main difference between farming in the Appalachian Plateau and the Appalachian Valley?

Farming the Appalachian Plateau is more productive because of its rich volcanic soil.

Farming the Appalachian Plateau is not as good as farming in the Appalachian Valley because of sandy soil.

Farmers in the Appalachian Valley produce more because they have freshwater resources than farmers in the Appalachian Plateau

Farming in the Appalachian Plateau is not as good as the Appalachian Valley because its climate is not as dry.

The main difference between farming in the Appalachian Plateau and the Appalachian Valley is the quality of soil. The Appalachian Plateau has rich volcanic soil, making it more productive for farming, while the Appalachian Valley may have sandy soil which is not as suitable for agriculture.