Often a problem in cool soils in earlyspring. Potassium Bronzing and dying of leaf margin. Some spotting between veins. Chlorotic with brown spots throughout leaf. Calcium Newest leaves hooked, die back at the terminal bud.
New leaves are yellow while older leaves are dark green.
Causes Blossom End Rot in tomato. Magnesium Mottled yellowing between veins of older leaves while veins remain green. Yellow areas may turn brown and die. Sulfur Plant as a whole is affected, with plants becoming light green in color. Iron Yellow or white areas on youngest leaves.