Nutrients

N Nitrogen
B Boron
Cu Copper
Fe Iron
Mn Manganese
Mo Molybdenum
Zn Zinc

Coffee - Deformation

Symptoms
Leaves become elongated, thin and straplike. They lose their sheen. Leaf borders can become curled and the internodes between the leaves are shortened. The green leaf veins stand out from a yellow background. Symptoms are usually more visible at the tips of the branches in new growth. The tree is stunted and takes on a rosette habit.

Reasons
Zinc deficiency

Coffee - Deformation

Symptoms
The leaf veins form a green network against a pale green to yellow background. In severe cases, the leaves become almost white, spear-shaped and brittle.

Reasons
Zinc deficiency

Coffee - Deformation

Symptoms
The leaf veins form a green network against a pale green to yellow background. In severe cases, the leaves become almost white, spear-shaped and brittle.

Reasons
Zinc deficiency

Zinc deficiency made worse by

  • Organic soils
  • High pH soils
  • Soils rich in phosphorus
  • Soils receiving high phosphorus application
  • Cold wet conditions

Zinc is important for

  • Improves flower bud development
  • Improves the quality of flowering
  • Better fruit set
  • Optimises leaf quality and vegetative growth
  • Improves resistance to cold weather