The best advice i can give is, you really really want to even out your canopy so theres less bud at the bottom of the plant, you can do this various ways some being LST, topping or simply bending over the tallest branches until the other ones catch up, i know simple right
This is an example of LST which evens out the canopy allowing for light to reach all the bud sites, giving much better yield as well as increased potency
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It also looks like you plants have stretched a lot, this happens when your light is too far away from your plant, have you been adjusting your light as your plant grows? ( if you cant adjust the light put something under your pots to raise the plant up )
I Know its boring but you need to read more a lot more. Have fun growing PEACE