Same here, my 2 year old has been going outside since he was a few months old. Whenever he would scream and scream, take him outside and he would calm down.
Now when he was just crawling, yeah it was a little harder to play outside because he wanted to put every little thing in his mouth, even when he was first walking. One time he ate dog poop

YUCK...
As long as you are right there with her, she will be fine. I am sure at some point she is going to put something non-eatable in her mouth. It is all about exploring and learning.
Just teach her now that she can't touch or pick up certain things (ie: dog poop) LOL. My 2 year old does not go near it now.