A bit of heat/light stress to the tops this week - yellow tips to some of the top leaves. Opened the door on the PVC greenhouse to try and regulate the heat as it’s warming up here. Hope the pests stay off them!
It's a bit hard to tell from the picture tbh. Typically bottom leaves yellowing and dying is a sign of the plant pulling nutrients from older growth to newer growth. To me, this looks like either early signs of magnesium deficiency or nitrogen deficiency. Magnesium is a mobile nutrient and shows in the bottom leaves first.
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