Robertsanswered grow question 3 years ago Too much nitrogen, I think your experiencing lock out from more nutrition then needed. Vegging npk ratio is 3-1-2. Flowering npk ratio is 1-2-3.
Your nitrogen level is too high and potassium could likely be a bit higher. The holes might be a critter around.
Your not toxicity high on nitrogen, but darker the shade of green indicates how much is in plant.