So you don't focus on yield of 'a' plant, but the yield in total, which was my point. I rather have many plants with medium size colas than one or a two with huge colas.
The main factors are space and time. And what some people forget is that those create the limit.
You constantly speak of yield "per light", while there's only so much light one can fit in a given space. It's grams/oz per sqft/m2 per week (or year) what matters. Anything else, in the context of achieving max yields, is missing the point of indoor growing (being able to have more than a single season/cycle/run per year).
Anyway, what no pissing contest? You said you were going to show pics. Let's see some stalks too. Looks like I don't have a good pic of my thickest this round, so you'll just have to take my word for it that this was the skinniest bitch, didn't make the selection (too short internodes amongst others). The fattest is the one behind it. Those are 3.25" netcups.
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Only more reason to grow more than a couple. Those 5 weeks after repotting could have been used to grow out a whole bunch of smaller but still large plants that together would have yielded more, but on the space, in the same time. 8 weeks veg + 9 weeks flower is apart from a week enough for me to do two rounds if I germinate my seeds under T8 a couple of weeks before the first run is done.