Don't you hate that when your biggest healthiest plants end up being males. Lol. You usually assume they are, but it's nice to be surprised by a viciously growing female.
You should check out the Rev's book True Living Organics. I been growing basically this way for years with success - it's basically just pumping up your microlife for quick breakdown of nutrients and optimal myco fungi levels. Soil gets better every year if you take care of it good. Here a good...
I am from Hawaii, autos suck in the subtropics - especially in short season. This is because they require long daylight hours to amount to anything respectable. Best option is to invest in a LED grow light and keep clones of a short flowering mold resistant strain under 18 hours and send them...