I've noticed a huge influx of new members lately & a lot of the ones from a year ago have disappeared. So you are dealing with a lot of new people who are still learning the site & many of them are looking for assistance in their grows also. I'd say your best bet is to update your journal daily so everyone keeps getting notices & viewers see it in recent posts.
I find the more you get out and visit, the more people tend to come to visit you. But we don’t always have time for that. People always come and go...