I’ve grown quite a few outdoors and auto’s with a longer flower time have responded well to ONE topping at an early stage. Strains with a 75% Indica tend to perform the best for me.
The example picture was of a regular fem grown outdoors from 17 March this year to the present day.
I posted it to demonstrate what the inline technique looks like.
I’ve never had an auto grow that big!
It’s a Frisian Duck with about 2=3 weeks still to go.