Deficiency help, mid flower!

Quick update, she's now on the back right. Her strain is estimated at 65-75 days, and we're on day 59 so I'm wondering if this is normal

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... this is N and P defc. happening.... Lower leaves with overall color fade is N defc., some of which is normal at this stage,... P defc. isn't, and I'm thinking the organic stuff isn't breaking down fast enough to meet demands, might be she's been short on it for a while and so doesn't have much stored ( N and P in particular are stored by the plant if extra is available, up to a point).... organic need time to breakdown, become converted into forms the plant can take up... Inoculants will help with this, and in organics they are more important than with synthetic nutes which are mostly right-now available... meantime though, you need to get a PK booster of some kind to tackle the P issue faster.... a few doses will probably get her caught up while the organics start to become available,...
As always, pH is something that needs to be checked... a soil pH probe of some kind is best, but don't bother with the cheapo units with the skinny metal rods, those are lousy! next best is the Accurate 8 soil pH probe (Control Wizard), or the identical unit under a different brand name (check amazon).... I don't think this is a pH lockout (too acidic locks P), no other symptoms, plus you've not been feeding with synthetics which tend to do that more readily, but organic can too... I think you started too late with feeds, she's looking OK, but no reserves, and now it's catching up...
 
... this is N and P defc. happening.... Lower leaves with overall color fade is N defc., some of which is normal at this stage,... P defc. isn't, and I'm thinking the organic stuff isn't breaking down fast enough to meet demands, might be she's been short on it for a while and so doesn't have much stored ( N and P in particular are stored by the plant if extra is available, up to a point).... organic need time to breakdown, become converted into forms the plant can take up... Inoculants will help with this, and in organics they are more important than with synthetic nutes which are mostly right-now available... meantime though, you need to get a PK booster of some kind to tackle the P issue faster.... a few doses will probably get her caught up while the organics start to become available,...
As always, pH is something that needs to be checked... a soil pH probe of some kind is best, but don't bother with the cheapo units with the skinny metal rods, those are lousy! next best is the Accurate 8 soil pH probe (Control Wizard), or the identical unit under a different brand name (check amazon).... I don't think this is a pH lockout (too acidic locks P), no other symptoms, plus you've not been feeding with synthetics which tend to do that more readily, but organic can too... I think you started too late with feeds, she's looking OK, but no reserves, and now it's catching up...

Thank you for the detailed response! I think you're right. I didn't feed any fert until the start of flower and I found out Dr. Earth is slow release (rookie mistakes)
She's slowly coming along, I think I'm going to harvest within the next week or so, they're not getting much bigger and I don't want to let them go too long, if that's even possible. Trichomes are all creamy, a lot are turning amber, and the smell is beyond enticing lol.

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That's a lot of plant to be running organics in a 3G pot. I run organic autos in 5G or 7G indoors, photos in 7G indoor or 20G outdoor.
 
Congrats, hope she smokes well! I can't wait to harvest my first organically grownn plants.
 
It's interesting to note the extent to which certain plants integrate their roots with the bottom and sides of the fabric pots.
In my experience, plants in my 5G containers (autos since I've yet to harvest a photo period plant - they continue to grow huge in my backyard) for some reason tend to create bigger mats of roots that remain stuck to the bottom of the pot. Perhaps because the ones in the 5G containers grow larger in general, or perhaps because of my particular pots,though do have two different brands of those pots.
 
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