Yellowed bottom leaves patchy - is this potassium deficiency?

[mac07]

@limota

Hi mac07, Looks like there are creases on those leaves, like from moving aquare pots around and the leaves get squished from pressing against the pots.

Hi Limota, thank you — I had originally been frustrated with the leaves turning yellow and I crumpled them in my hand before I threw them out. Then I thought I’d better get a picture before I post with questions, so the creases are just from me lol. Thanks you for the info about the organics. I wasn’t able to drive into town today and I’m a long ways off from a store, so I think I’ll pick up some nutrients on the weekend. I’m in CA, so a long ways a way, but thanks for the offer!!