Corn

BORON

Stunted growth. Necrotic leaf spots. Smaller cobs filled irregular.

CALCIUM

Pale green to whitish spots and distorting of younger leaves.

COPPER

Yellow interveinal chlorosis on younger leaves first.

IRON

Yellow interveinal up to complete chlorosis on younger leaves first.

MAGNESIUM

Interveinal chlorosis on older leaves first.

MAGNESIUM

Interveinal chlorosis and flecks on younger leaves. Empty cob tips.

MOLYBDENUM

Chlorosis and necrosis of leaves. Reduced growth.

NITROGEN

Pale green chlorosis on older leaves first. Reduced growth.

PHOSPHORUS

Stunted, dark green plants. Purpling on older leaves first.

POTASSIUM

Chlorosis and necrosis of leaf tips and margins on older leaves first.

SULPHUR

Yellow interveinal chlorosis on younger leaves first. Stunted growth.

ZINC

Chlorotic strips between midrip and leaf margin. Stunted growth.