m0useanswered grow question 6 hours ago Looks like top burn and lack of Mg to me. I don't see issues with Calcium but does not mean it might not be coming up.
No diary so its all a guess. PH could be off preventing the uptake of these things or other nutrients in the soil could be in to high of concentrations preventing the absorbation of them.
No idea what your feeding them either. Best to start a diary and link it to your question.