You should also work on your ad placement. the important parameters are: 1. ad size 2. ad position 3. ad style (how they blend with your site)
i just make your question on google and try this http://www.google.com/search?source...:en&q=How+to+increase+the+income+from+adsense
Evry case is difrent so you must read from here to get some ideas and try them... Anyway the key is Traffic Traffic = $$$$ The problem is how you bring Traffic : - SEo Links Content Regards
Good placement Ads blending with your site theme Great traffic High paying keywords (not always) Use of all 3 ad blocks and google search. Thats all what I use.
you must look adsense help . there is optimisation section at adsense help. you will find all your answers there
increase traffic. Do some more seo. increase click trough. Good optimized ad placement, style, etc increase the click prices. Target higher paying keywords
Well on the process of Improving Your Earning .. dont loose the hope . Its a Continuous Effor . Stick around the forum .. learn new and also basic things . Content / Link will do the trick . Dont expect wonders in a day
The most important tip I ever got was to be patient. It takes time to drive serious traffic to a site. more so if you are trying to get it using SEO only.
Yes thats it, earning with adsense need to be patient if you are on a starting point, post your articles daily, and post their links to social bookmarking websites, these can give you traffic,
1.Huge Traffic 2.High Click-Through Rate 3.High Paying Keywords I think #1 is the key to the adsense success.. But huge traffic takes a lot of time and patience till you get it.