2x2 tent grow question

Wrapping up my first harvest of zkittelz auto x 3 in my 2x2 ts1000 mars hydro system. I got basically a yield of 1oz per plant , one was a little slack at 20g but anyway to my questions...

Would I likely yield more if I run 1 or 2 max 5gal autos in one 2x2 system vs crowding with 3 x 3gal.

I'm doing only autos for my first few runs so seeds I'd like to utilize wisely in respect to my first and tiny 2x2 system limited space etc...I have two of these 2x2 systems and after my next run plan on upgrading to a 4x4 and later to a 5x5 for my final goal room size.

Sorry for long winded post thanks for helpful advice.

I’d say one 5gallon or two 3gallon. Your yield shouldn’t be affected either way as long as you fill out the canopy.

do you have pictures of the canopy?

I usually only have 3 in it but I'm harvesting in one ATM so I've got one zkittlez (top left) and three Bruce Banner.

Zkittelz- week 11.5
Bruce- week 8.5

one big thing i will say, it will be hard to get a big yield off autos, they are made to veg fast and flower. although i almost always tell people 'less is more'. even though the plants are not the biggest if they do not have adequate lighting then the plants will struggle. I would suggest you try 2 pots and see where its gets you.