pic 2, 3, 4, 6, 7, 8, 9, 10, 11..... they all have N deficiency baddddd.
pic 2, 15, 16 are severe K deficiency, along with some calcium def
time to feed, anything around 10-10-10 every other watering. keep fertalizing till the last week of harvest, at the last week flush once really, really good. and then let your plant dry out as much as possible(like wilting) so that you can dry your weed easier. the flushing will wash away the nutes in the soil, and then the plant will start eating the leaves, once its doing that you'll know that your weed will taste good and not include any fertilizer