2: 2.1 How would a new and improved crop rotation technique affect corn's U.S. market supply curve? 2.2 How would a fertilizer price reduction affect the U.S. market supply curve for corn? 2.3 How would the government offering new tax breaks affect the U.S. market supply curve for corn? 2.4 How would a tornado sweeping through a leading corn-producer city affect the U.S. market supply curve for corn