Over long time periods, farmland has been one of the best-performing asset classes in history. It has outperformed the returns of residential REITs, the S&P 500, Gold, Treasuries, and most other major asset classes:
Here is another study of farmland returns, comparing them over a different time period:
You will note that farmland is not just more rewarding, it is also a lot safer. Farmland investors have achieved above average returns with below average risk.
You will also note that the above returns are unleveraged. Returns would have been even better when leverage is applied.