Answer:
The region has a lot of fertile loess soil.
Step-by-step explanation:
Loess Soil typical contain large amount of silt particles and the texture is easily penetrated by the plants' roots so they can absorb a lot of nutrients from the soil.
Delta-Yazoo region possess large portion of Loess Soil. Agricultural crops that's planted within these region will have a really high chance to grow to their full potential, making it a lucrative business sectors for capital owners to invest in.