The number one thing will be on focusing to drag traffic to it. If the traffic count is in large number, and the contents created is in much number, i believe google Adsense will grant us approval. We should be the ones to send proposal to google, and not them.I think the first thing for you to do is to first of all get many traffic in your blog site and keep posting what you think it might excite your people visiting your blog site,so once you're good in that and people keep visiting your blog,I guess google will notify you when your blog will be monetize I guess.