Which biome is most suitable for raising crops such as corn, wheat, and oats?

Grassland biomes are most suitable for raising crops such as corn, wheat, and oats.

Grassland biomes are the biomes dominated by the grasses and herbs. They are agriculturally the most useful habitats for humans as the soil is deep and extremely fertile which is ideal for a cropland. They have an annual precipitation of 10 to 35 inches with an average annual temperature -5 to 20 degree celsius. This is ideal for grasses and raising crops such as corn, wheat and oats.