1question any help appreciated

Hello riu im trying to start a new grow im kinda needing to take care of some buisness so i need to harvest atleast a 1/2 lb i have a 4x4x6.5 ft grow tent with a 400w hps and i have 600w hps with the same size tent that i was hopeing to get atleast 3/4 of a lb now im growing in soil with fox farm nutes in the tent with the 600 i already have 5 g13 purple haze plants and the tent with the 400 i have about 12 clones of cali hash plant that have been in veg for about 4wks now with this info how do you think i should this to get the results i need and by the way im not asking for you to give me an exact yield for my setup but with your expertise riu i was hopeing you could lead me in the wright direction

I harvest 23oz off 4 plants just 2 months ago. I hope to harvest more this time around. I have a 600hps in a 3.5 x 3.5 x 8'
Look around my album, plenty of good info and such. Take your time and use what you think can help.
https://www.rollitup.org/members/goldenganja13-93335-albums.html

Thank's i appreciate it