Looks like I should give fair time to what appears to be the original farming simulation game - Farm Town (also on Facebook). Lots of resources and blogs focused on this game - including this blog I found which linked to another really detailed data spreadsheet... so here's that one. You make the choice on which one you like best!
|Site:||Farm Town Here Blog|
|Page/Post:||What is best to plant?|
|Spreadsheet:||Farm Town data sheet|