Complex sentence: It consists of a main belt of 43,000 km² and two islands of grasslands southeast of the main Blackland Prairie belt and because of the soil and climate of these regions they are ideally suited to crop agriculture.
Split into simpler sentences: It consists of a main belt of 43,000 km² and two islands of grasslands southeast of the main blackland prairie belt. Because of the soil and climate, this ecoregion is ideally suited to crop agriculture.