You cannot turn off the plus ones you receive on Google+ for your own content.
This is what 'only you' refers to in the image below e.g. you receive notifications for those +1s.

You can then decide in your settings whether you allow e.g. 'circles' to comment, which case you will receive notifications based on the first setting.

can you turn off the plus ones

Here is a complete guide to Google+ notifications if you would like to know more.