Social Sharing
Even if a reader won't comment, they may be likely to share your content on Facebook or Twitter, for example. Put social sharing buttons on your blog to make it easy for them to spread the word. Maybe their friends will comment!
Get Comments Started
It can be awkward to be the first to post a comment, so seed the conversation a bit. Friends can help the post conversation get going. Ask your friends about a topic that they might be interested in and write about it. Once you post the content online, ask them to read the post and comment on it. If your friends are also bloggers, exchange all the links to these blog posts, so you also comment on their posts when they comments on yours. Through this give and take, each and every post is guaranteed to get at least one comment.
Make Commenting Easy
If at all possible, avoid using the Facebook commenting feature that requires users to be logged into their Facebook account to comment. This creates a number of privacy concerns for sensitive consumers, and not everyone wants their Facebook friends to know where they've been leaving comments.
Make it easy to leave comments. It's okay to require a Captcha Code to be filled out or some other human checking mechanism. But don't require them to register with your site or have to use a social media account to post. You're just making it difficult for them with these features.
And instead of the boring and impersonal ‘Leave a Reply’ text that appears above the comment area, customize it to make it sound more human. A few popular call to action phrases that you can use to request people to respond without sounding too persuasive are “What do you think?” or “Let us know your thoughts!”
The fact that readers leave comments clearly shows that they have something to say and that you said something that resonated with them. Always reply to every comment that you receive so people know that you care about what they think. This is also a nice way of rewarding those who leave a comment. Always be polite, forgiving, and respectful, and you'll see conversations and comments galore.