Write posts that are controversial which can create debate and encourage visitors to comment and voice their opinion on your blog. It would be much better if you can describe your statement with certain facts and evidence.

Try asking questions in your posts:

Ask questions in your post while will enable readers to think and they may reply with some answers.

Comment on other blogs:

Find related blogs in your industry, read their posts and give meaningful comments that may add value. Commenting on others blogs is one of the best networking methods.

Comment on other blogs or forums along with your link:

Do comment on other blogs or forums along with your link and explain why your post is important. By adding link along with the comment, many people will click to your blog and give honest feedback through comments.

Comment exchanges:

By exchanging comments with other people in your industry, both parties benefit.

Comment contests:

You can tell people that if they comment on your post they may win great prizes. Many people will participate just to win the contest.

Fake comments:

This is not the write way to promote a blog. But if you're desperate, fake comments may portray that your blog is active and alive.