Much of the land in the Interior Plains is used for agriculture. In the year 2000, 43.8 percent of the Great Plains portion of the Interior Plains were used for agriculture. By far, wheat comprises the largest portion of the agricultural yield in region; combined, wheat exports from the Interior Plains make up more than half of the world’s exports. Other significant crops produced in the region include barley, corn, cotton, sorghum, soybeans, and canola, which is particularly important to Canadian exports.