Other agricultural products include vegetables, potatoes, maize, wheat, chicory, flowers and rye grass. The field that was originally laid was a mixture of kikuyu grass and rye grass. The English plough was introduced and foreign grasses, the sowing of rye grass and clover. The selection of rye grass was a directive from FIFA specifically for the World Cup. Crops planted on refuge land includes alfalfa, wheat, rye grass, milo, millet, and sudan grass. Records suggest these early cattlemen found abundant rye grass along creek bottoms. The improved grassland is dominated by perennial rye grass, creeping bent and Timothy. Vegetation is typically dominated by annual rye grass, curly dock and wild sunflower. The fairways, rough, and tee boxes are overseeded with rye grass in October. There is some perennial Rye grass in partially improved areas. The first crude forms of drinking straws were made of dry, hollow, rye grass. Early crops included cotton, wheat, barley, maize, oats, lucerne, rye grass and yams. Once the plant has matured, the manystem wild rye grass can live a long life.