blossom end rot of tomato - calcium deficiency

agricultural agriculture background bad biology botanical botany branch branches brown calcic calcium care close closeup condition cultivate cultivated cultivation cut cutout damage damaged deficiency detail development disease diseased diseases disorder element evolution farming fertilization fertilizing fruit garden gardening green grow growing growth horticulture ill illness indoor indoors insufficiency insufficient isolated macro nature necrosis nobody nourishment nutrition only out pathology plant plants problem process rot rotting spot spots spotted symptom symptoms tomato tomatoes unwell vegetable vegetables white