wow, $300 for 1kg? If you sold that for average price in the UK it'd be around $12,000, get exporting!!!

Kill the males

Do you need to defrost weed before you smoke it? I've never had 1kg so maybe.

flowering can take 8weeks+ maybe up to 10-12 if it's a large outdoor plant

I have no idea on the Uruguay climate, but shortened light will start the flowering process

Getting high is a good sign ^^ but their potency will increase with time

Northern Light is more of an indoor plant, it will grow obviously, but you may want a higher yielding, larger outdoor plant. Bubblicious is probably a decent choice.

Kill the males as soon as you can sex them, don't let them make any pollen.

I think you can clone as long as the mother is vegetating, and it will be a 100% genetic match of it's mother.