Fantastic art, well done! The music works, though a bit more variety would be nice also. I found planting and growing the crops pretty intuitive.
I did have some issues with controlling the soldiers. When trying to click on one soldier, I would find myself giving an order to the soldier previously selected. Also, giving a soldier an order would deselect him, so if I wanted to give the same soldier multiple orders I would have to click him multiple times. Instead, I think it would be more sense to select soldiers with LMB and give them their orders with RMB.