Nitrogen deficiency or something else??

Discussion in 'Sick Plants and Problems' started by kkk666, Aug 10, 2017.

  1. IMG_3749.JPG IMG_3749.JPG IMG_3751.JPG Hey peeps,
    my sour diesel seedling has been doing really well, for a 3+ year old seed anyway. And has been growing into a beaut. i'm just confused bcuz every time i think everything's going smoothly the lowest set of fan leaves start turning yellow till it dies and falls off. New growth and every other node before the newest are lookin alright to me.
    Any tips on what might be causing this? I thought it was nitrogen deficiency but needed to double check with the pros out there. Thanks alot

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