Nutrients

N Nitrogen
P Phosphorus
K Potassium
Mg Magnesium
S Sulfur
B Boron
Cu Copper
Fe Iron
Mn Manganese
Zn Zinc

Cotton - Chlorosis

Symptoms
Younger leaves show uniform yellowing while leaf veins remain green and prominent for a while. With progressing deficiency the leaf blades fade completely.

Reasons
Manganese deficiency As symptoms of Mn, Zn and Fe deficiency are often difficult to distinguish, soil and plant testing is recommended.

Cotton - Chlorosis

Symptoms
Younger leaves show uniform yellowing while leaf veins remain green and prominent for a while. With progressing deficiency the leaf blades fade completely.

Reasons
Manganese deficiency As symptoms of Mn, Zn and Fe deficiency are often difficult to distinguish, soil and plant testing is recommended.

Cotton - Chlorosis

Symptoms
Younger leaves show uniform yellowing while leaf veins remain green and prominent for a while. With progressing deficiency the leaf blades fade completely.

Reasons
Manganese deficiency As symptoms of Mn, Zn and Fe deficiency are often difficult to distinguish, soil and plant testing is recommended.

Cotton - Deformation

Symptoms
Younger leaves show uniform yellowing while leaf veins remain green and prominent for a while. With progressing deficiency the leaf blades fade completely. Small yellowish dots appear, enlarge and turn necrotic brown with time. Leaves can be cupped down.

Reasons
Manganese deficiency As symptoms of Mn, Zn and Fe deficiency are often difficult to distinguish, soil and plant testing is recommended.

Cotton - Deformation

Symptoms
Younger leaves show uniform yellowing while leaf veins remain green and prominent for a while. With progressing deficiency the leaf blades fade completely. Small yellowish dots appear, enlarge and turn necrotic brown with time. Leaves can be cupped down.

Reasons
Manganese deficiency As symptoms of Mn, Zn and Fe deficiency are often difficult to distinguish, soil and plant testing is recommended.

Manganese deficiency made worse by

  • Organic soils
  • Sandy soils
  • High pH
  • Cold wet periods
  • Fluffy soils

Manganese is important for

  • Improved crop health
  • More even and earlier maturity
  • Increased yields

Yara recommended fertilizers for Manganese

YaraVita MANTRAC PRO

YaraVita MANTRAC PRO

Cotton: 1 l/ha applied 21 to 28 days after emergence and 10 to 14 days later. Water rate: 30 to 200 l/ha.

Read more about YaraVita MANTRAC PRO