Strickly follow the Adsense rules
    Choose high paying Niche for your blog
    Find your Keywords
    Check the Keyword density you just selected
    Placing ads on the top of a page is good
    Using images and Text ads together is good
    Use non-standard types of ads
    Choose the right Adense format for your blog
    Use Adsense for search
    Use multiple ad units
    Change the color of your ads to match your web site Palette
    Use Adsense multiple Palettes
    Use horizontal link units (navbar, Above post)
    Do occasional experiments with positioning of ads
    Ad placement
    Avoid borders on the ads
    Turn low paying units into image only ads
    Promote your site with Google Adword
    Reduce total number of out going links on the page
    Create multiple ad banners
    Use all possible Adsense features available
    Choose the right ads for the content
    Make sure your ads are visible
    Use section targeting
    Your link units should be in hot spots where they can be seen easily by visitors
    Get targeted traffic
    Drive traffic to your blogs by SEO and backlinks.
    Use Adword tools to help your site
    Use Adsense channels to track performance
    Avoid MFA ( made for Adsense ) sites
    Keep track of your ads
    Block low paying advertisers with Competitive Filters
    Don’t overblock ads
    Use Adsense preview tool
    For short article place ads on the top of the content
    For long articles place ads in the middle of the content as well
    Avoid using common blog words
    Do not set Google AdSense as a secondary ad option
    Publish fresh content
    Register on hub pages and use the same Adsense account
    Register on bukisa and use the same Adsense account
    Register on docstoc and upload files with the same Adsense account
    Make use of Revenue sharing sites
    Join Youtube Partners
    Get rid of public service ads
    Avoid titles such as sponsored ads in widgets