Şu yazılar işine yarayabilir :

http://www.ehliblog.com/2013/11/max-gelir-adsense-reklam-yerlesimi.html
https://support.google.com/adsense/answer/1346295?hl=tr
http://wpmavi.com/blog-ve-para/adsense-gelir-arttirma.html