nitrogen deficiency

It's probably both, but anyways, after a long long hiatus, I'm back at it. Random seed "Cheese" I was told.. hoping for Cheese AF strain ;) guess we'll see.. anyhow, including the picture I have a question about.. Is it nute burn.. or nitrogen deficiency? Or both? Just over a week in dirt...

For the past couple weeks I've been having leaves shrivel and die, first getting yellow and drop off and others doing that plus crinkling to brown and falling off. My current day is week 5 day 2 of flower, for White Widow (fem), in 5 gallon happy frog soil/perlite mix, about 30 - 40 percent...

Im growing 2 plants, autos, ending 4th week since sprout, 4 gallon pots in soil with perlite and ewc. Watered 3 times since sprout, once a week with slight runoff. Will need to water tomorrow as its drying out faster (last water Tuesday). Gave only feeding 2 waters ago with a 25-10-10 fert...

Hi all, Ive got what seems to be this claw people say is associated with nitrogen toxicity, could it be anything else? Also my pots are not huge and the roots have appeared where the water runs out it this an issue or will they just continue to grow inside and not out?

Hi ya'll. I've have a Black Indica clone that was doing well before my efforts to eradicate some spider mite buildup I caught in the nick of time. I used organic methods first, then stupidly Acetamiprid: a mould/fungus/mite killer. I've laid off any such treatments for the meantime as I'm in...

So here is what happened, last night I noticed what looked like either Nitrogen Toxicity or Nitrogen Deficiency so I was already worried for my plant, I put some fertilizer sticks in the pot with it too see if it got better or worse then go from there. Well, I leave today for a meeting and the...

I have been researching over the last view days of N toxicity. People describe the problem clawing that looks like a bear claw or eagle claw. So far the recommendations have been to flush. But before I do that I would like to be sure. I am only asking because I do not see any yellowing. Or any...

I heard it might be magnesium deficiency but the more I read it looks like a nitrogen deficiency. What do you guys think?