AdSense for feeds now available directly in Blogger To set this up, go to Blogger and select the blog you wish to monetize on your Blogger Dashboard, and select "Monetize." This will give you some basic options for configuring ads, and if you already have connected your Blogger feed to FeedBurner, will confirm that the proper feed is being configured. AdSense for feeds will automatically pick the right ad sizes for your users, content, and end medium. After setup, you will be able to view your AdSense reports (including feed revenue) directly from the Blogger Dashboard, as well as from your AdSense account. Additional feed management options for your feed and feed analytics will be available from http://feedburner.google.com If Need More Help then Pm me.
If you have good number of visitors or sign up they use this adsense, unfortunately, my experience or earning from this feed is not satisfactory. I find Google nor displaying the ads most of the time so it is a waste of time
Blogger easily Integrate FeedBurner feeds in it so the most efficient way is to use FeedBurner which im using too.