Your plants are practically half way through their bloom cycle. I must admit my buds are usually slightly larger than this at the stage.
CFLs will tend to yield a smaller crop than with HPS/HID lighting as a rule of thumb. But as new technologies take their pride and place we're finding HID lighting being moderately challenged.
Around this time in the bloom phase I'd be thinking about using a bud accelerator
additive. As soon as the first sign of pistil growth is apparent I'd have been using Advanced Nutrient's
Big Bud. This is usually from around [ending] week 1 or 2 up to week 4 or 5ish, or until I see some nice strong calyx development. After which I'd switch to using Advanced Nutrient's
Overdrive until all of the plant's in bloom have developed substantial bud formation. This would be from [ending] week 4 up to week 7, or at least until 30-40% of my pistils have started to turn amber/brown/pink/red or whatever colour the strain's pistils turn to after being white.
So around the end of week 7 up to week 9 I'd begin flushing for as long as I can. (Until 70-80% of the pistils have changed colour or if you have a microscope you can check the condition of your trichome heads and then harvest accordingly)
If I got 7-28g from the plant(s) in the photo(s) I wouldn't complain. It's all a learning curve and you will surely do better on your 2nd, 3rd,
nth crop as your knowledge develops.
Keep at it. You're doing great!
EDITED: I forgot to add that towards the end of bloom your plants will tend to give one final push to attract pollen. She will show signs of rapid maturing around week 7 to 9 depending on your strain. A healthy plant will tend to explode and put on much weight at this point in just 2 to 4 days. Once this occurs you can pretty much see your harvest crop before you.
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thanx for the info man..ill try switch nutes for the next time..and id be delighted to get 28g or in the 20's =) the last few days the buds have gotten much bigger,ill put up another update in a week or two .thanks for watching and the info man