Can you help me identify deficiency/problem?

[anon86068642]

It almost resembles a zinc deficiency according to the chart here. New growth affected too.

Plant Abuse Chart and Photos by Nietzsche

Contributed by: Nietzsche PLANT ABUSE Heat Stress : Look closely below, and you'll see the brown leaf edges that are indicative of heat stress. This damage looks alot like nutrient burn, except it occurs only at the tops of the plants closest to the lamps. There's only one cure for this...get the heat away from the plants, either by moving the lamps or moving the plants. [image] Figure 1 Nutrient Solution Burn: There's a good chance that this leaf was subjected to nutrient solution burn. T…

This one here days it’s iron deficiency.

Nutrient Profiles and Deficiencies by Mr. HIGHway

Contributed by: Mr. HIGHway Submitted: 12-25-2002 Images archived: 2002 These photographs were taken from Cannabis World through an exhaustive search of the Archives. I would like the take the time to thank every member at Cannabis World for their contributions who made this all possible. I hope it helps as many people as possible. I will start with the mobile elements, or the ?Main nutrients? of Nitrogen, Potassium, and Phosphorous. Next will be Magnesium, Sulphur, Calcium, and Iron. Next is …

Can we get someone else to chime in who knows better?