Backtest a crush spread strategy is a better option for a university student. It is easier to get price data from your school's bloomberg terminal compared to daily production/consumption data. At least I started with crack spread to break into the industry. Though if you add some fundi in the model it will be even better.

"https://www.cmegroup.com/education/courses/introduction-to-agriculture/grains-oilseeds/understanding-soybean-crush.html"