Yellowing leaves - day 25 of flower - Nutrient deficiency vs burn??

[k5cannabis]

Day 25 of flower and i got these yellowing leaves. My buddies who's an expert tells me it's deficiency, to me it's looks like burn. any opinions?

 

[GNick55]

Day 25 of flower and i got these yellowing leaves. My buddies who's an expert tells me it's deficiency, to me it's looks like burn. any opinions?

i’d guess from what i see is too high nitrogen levels.
not light burn!