Leaves turning yellow and brown

when the symptoms start, use a leaf symptom chart to diagnose... When it's progressed this far, it's more difficult. treating plants exactly the saem doesn't mean what yo uthink it means. Obviously, the resulting nutrients provided to this plant didn't work as well as it did on the others -- and assuming it got exactly the same is unlikely, even if similar. maybe, the soil wasn't mixed well and some specific type of imbalance resulted in some volume that isn't like the rest, etc etc.. Also, some formulas (or resulting ratio/concentration of nutrients around roots that that is an aggregate from multiple sources beyond fertilization) simply don't work on all plants. IMO, better formulas work on a wider range of plants, but i am only using common sense from experience to draw that conclusion. Anecdote is not evidence. Keep tweaking, because some ratios/concentrations applied do work well, or wellenough, on 95% of plants. right now i have 1 out of 8 that are not responding well - soilless context, so fertilization is controlled and measured in a specific way at all times, but it's also one of the largest plants and growing fine for the most part. An acceptable cost for the ease of pulling off a shared reservoir. Some damage on older growth, but new growth holding up better etc... not a progressing problem, so far, which is tenable. If you are soilless/hydro i'd suggest mimicking Jacks 321 ratios... overall concentration my be higher or lower, but the ratios and ensuing adjustment to oc overall to local variables will result in 90-95% happy plants. if in soil, this doesn't help at all as there are many unkowns. that's purely trial and error until you get it to work well

Hi Your plant is signaling that it is reaching peak maturity. The heavy resin production ('sugaring') indicates harvest is near. regarding the foliage: Do not add more nitrogen. The yellowing leaves are a natural part of the life cycle (senescence). The plant is cannibalizing nutrients from the fan leaves to fuel final bud growth. Keep an eye on those trichomes to determine the exact day to chop

hey 👋 Id lean toward end-of-cycle burns caused by a saturated soil, but it doesn’t really matter: she’s at the end anyway, so there’s no point trying to fix anything. The simplest thing is to give her a flush right now, and you’ll be able to harvest in 3/4 days. They look pretty milky, it’ll do the job 👌