As prairies grassland cover about 40% of the United States they are recently developed systems of North America. These grasslands stretch from the rocky mountain to east of Mississippi River and south of texas.
The grassland is a biome, including, purple needlegrass, wild oats, foxtail, ryegrass, and buffalo grass. Thus prairies are also known as the wheat bowl of North America and Texas is known as the <u>wheat belt.</u>
As being a winter crop it gets most of its required nutrients from the fertile soil and nearly 50% of the production is exported from the state.
