I'd say yes.
So there's an EXCELLENT full tutorial on GrowWeedEasy ill dm it 2u..
But the zist of it.
Take each node. And at the tops make sure to leave 1-2 sets of fan leafs for energy uptake and to leave sets at the very end of that node. Then going through the middle you can take any major fan leafs off once the nodes above them have grown out some. As the longer you leaves sets of fans under shoots the more said shoots will grow. So to make colas. This site is excellent. Ill send it to u know.
It is a full tut on Defoliation for the whole phase of ur fens