Flowering, Extreme Yellow. Whats the Problem?

Hey guys, this is only my second grow and this year I only have 1 girl out of the four i started so I am pretty concerned with the progress. Started the seeds late March. (Strain: Bag seed, Sensi Star)

Firstly, I am growing in 15gal Foxfarm OF soil, all organic with Humboldt Nutrients(Bloom Nat, Grow Nat, Deuce Deuce). Giving it teas (once a week or so) with Humbolt Nutrients Grow Natural, Deuce Deuce, and Bloom Natural, Alfalfa meal, worm castings, bat guano, and of course molasses. Schedule is water, water, nutrients, tea, water, water, etc..

The yellowing started 4 weeks into flowering and is just getting worse and worse. Been taking off many many leaves lately and I found some rot on the main cola just the other day which i removed.

Should I harvest early or wait it out? Will the extreme yellowing be a problem and do you think the rot will return? I had this same exact problem last year with the super yellowing and nitrogen feeding doesnt seem to solve it. Does anyone know why this is? Also had bud rot last year, the stuff is terrible.

Need all the advice i can get. Thanks team Pictures are attached of the suffering plant and 1 of the little girl i started late.

Also forgot to mention, the stem is getting rot...

You gotta alot of nutes im surprised that your even getting yellowing. Cut back on the molasses, ive heard it causes nute lock.
Looks like you have a Phorphorus d too(you'll notice any purple next to new leaf tips that isn't in the plants DNA is a P defiecency).