My plants seem to have a small issue, any ideas before it gets worse?

jonl92

Active Member
I'm currently growing outside i'm using old rabbit and horse manure for soil. I was planning to do the grow all natural but i'm thinking maybe the soil is not as good as i thought and maybe a little too old, it's about 15-20 years old. The other day i noticed 2 of my plants had a couple leaves each that had a rusty brown edges, my guess is maybe a Magnesium or phosphorus problem. The Jack Herer plant also has other weird looking things on the plant, nothing under the leaves. I sprayed them with a mint oil water mix and that seems to be keeping the bugs away. I don't think this is a nature issue and it will probably get worse when they enter flower so what do you guys think it is, should a get a trio package of nutes or if its a cal/mag problem should i just get a bottle of that?
 

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