autoflowering strains

Hello Friends, I have around 28 small plants of which only 12 are of some good size and other are stunted alot size not more than 15 inches. I am posting pics , pls tell me how much can i expect from each plant or total plants ? I have grown first time and its almost 80 days, i dont think...

I'm fairly new to growing, I've grown around 6 plants indoors with basic soil and nutes. Not really experienced grower nor did the plants produce worth anything. I stopped growing b/c of the difficulty but after a couple years decided to begin again. I've read up on making my own supersoil so I...