Middle Colonies v. New England Colonies The biggest difference between the two regions is the soil composure. In New England you had a much rockier soil composure while in the Middle Colonies you had a much softer, fertile soil composure. Because of this farming in the New England colonies was very hard. Also because of the difference in soil composure there are different kinds of forests. In New England you have many more coniferous forests, because of the colder weather patterns and harder soil composition,