I would like advice you this itinerary.
In this post you can download the road book and Map for ride by bike from Padova (Padua) to Ferrara, along the exclusive roads of Po valley.
Please remember : our company can rent and deliver bikes at your hotel, airport or railway station in Padova (Padua) and can pick up, for a small fee, at the end of your cycling holiday at your hotel or railway station in Ferrara.
In this picture : Praglia Abbey along Ferrara direction.