Here is the full list of all 15 Crop Rotation achievements.
Win a game at 399 rating or higher
Win a game at 299 rating or higher
Have a single day harvest worth 5000 or more
Have a single day harvest worth 2500 or more
Win a game at 199 rating or higher
Win a game at 99 rating or higher
Win a game
Have a single day harvest worth 1000 or more
Have a single day harvest worth 500 or more
Win a game at 499 rating or higher
Win a game at 599 rating or higher
WIn a game at 699 rating or higher
Win a game at 799 rating or higher
Win a game at 899 rating or higher
Win a game at 999 rating or higher