It is calcium deficiency but pulverizing egg shells won't solve the problem fast enough, since they'll still have to be decomposed further before being available to plants.
Either use a specific tomato fertiliser, or better still : manage your watering better, as it is often the real cause.
It is calcium deficiency but pulverizing egg shells won't solve the problem fast enough, since they'll still have to be decomposed further before being available to plants.
Either use a specific tomato fertiliser, or better still : manage your watering better, as it is often the real cause.