How is growth measured here?
I'm sure that this is your first forum account the first thing in order for you is to read a lot and refrain from posting for the sake of posting, you've done the right thing finding this section for your guide to starting here in Bitcointalk you can also check the meta section it housed all the rules and on this forum.
Learn everything you need about this forum and you can do this by concentrating on these two sections, meta and this section, take a least a week of reading topics and discussion on these two sections.
When you think you learn a lot then that's the time to roam other sections of this forum, go to the section of your interest, and don't try to act as if you know specific subjects, the most important thing is to avoid spamming and redundant posts.