Nutrients

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

Almond - Deformation

Symptoms
Pale leaves, partly with necrotic margins or tips. Leaf margins are curled up longitudinally and sometimes twisted, especially when located at shoot tip. Severe deficiency may cause premature defoliation and terminal dieback, followed by enhanced branching below. The trees bark may become dark and rough. Some varieties ('Nonpareil') show gumming from limbs.

Reasons
Copper deficiency. A level of 4ppm Cu in leaf tissue is considered as adequate.

Almond - Deformation

Symptoms
Pale leaves, partly with necrotic margins or tips. Leaf margins are curled up longitudinally and sometimes twisted, especially when located at shoot tip. Severe deficiency may cause premature defoliation and terminal dieback, followed by enhanced branching below. The trees bark may become dark and rough. Some varieties ('Nonpareil') show gumming from limbs.

Reasons
Copper deficiency. A level of 4ppm Cu in leaf tissue is considered as adequate.

Almond - Deformation

Symptoms
Pale leaves, partly with necrotic margins or tips. Leaf margins are curled up longitudinally and sometimes twisted, especially when located at shoot tip. Severe deficiency may cause premature defoliation and terminal dieback, followed by enhanced branching below. The trees bark may become dark and rough. Some varieties ('Nonpareil') show gumming from limbs.

Reasons
Copper deficiency. A level of 4ppm Cu in leaf tissue is considered as adequate.

Almond - Deformation

Symptoms
Pale leaves, partly with necrotic margins or tips. Leaf margins are curled up longitudinally and sometimes twisted, especially when located at shoot tip. Severe deficiency may cause premature defoliation and terminal dieback, followed by enhanced branching below. The trees bark may become dark and rough. Some varieties ('Nonpareil') show gumming from limbs.

Reasons
Copper deficiency. A level of 4ppm Cu in leaf tissue is considered as adequate.

Almond - Deformation

Symptoms
Pale leaves, partly with necrotic margins or tips. Leaf margins are curled up longitudinally and sometimes twisted, especially when located at shoot tip. Severe deficiency may cause premature defoliation and terminal dieback, followed by enhanced branching below. The trees bark may become dark and rough. Some varieties ('Nonpareil') show gumming from limbs.

Reasons
Copper deficiency. A level of 4ppm Cu in leaf tissue is considered as adequate.

Copper deficiency made worse by

  • Organic soils
  • Calcareous soils
  • Sandy soils
  • Reclaimed heathland
  • High nitrogen applications

Copper is important for

  • Vigorous and healthy new growth
  • Avoidance of pre-mature leaf fall
  • Yield may be increased

Yara recommended fertilizers for Copper

YaraVita® MANCOZIN™

YaraVita® MANCOZIN™

Almond: 1 pt/acre at bud break and 10 to 14 days later. N.B. Do not apply during flowering. Also, 1pt/acre after harvest but before leaf senescence. Water rate: 20 to 100 gallons/acre.

Read more about YaraVita® MANCOZIN™