Potassium deficiency-Melons

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Nutrients

Melons - Necrosis

Symptoms
Young leaves are wavy. Older ones show necrotic leaf margins, the so-called 'leaf scorch', being typical for K deficiency. Brown spots spread from there towards the middle. Plant size is reduced.

Reasons
Potassium deficiency. Melons have a relatively high potassium requirement, especially until the beginning of fruit ripening.

Melons - Necrosis

Reasons
Potassium deficiency. Melons have a relatively high potassium requirement, especially until the beginning of fruit ripening.

Potassium deficiency made worse by

Acidic soils (low pH)
Sandy or light soils (leaching)
Drought conditions
High rainfall (leaching)
or heavy irrigation
Heavy clay (illite) soils
Soils with low K reserves
Magnesium rich soils

Potassium is important for

Helps to optimise leaf quality
Optimises plant water management
Potassium has been closely associated with resistance to disease in many plants
Improves resistance to low temperatures

Potassium deficiency-Melons

Nutrients

Melons - Necrosis

Melons - Necrosis

Potassium deficiency made worse by

Potassium is important for

Yara recommended fertilizers for Potassium

YaraMila™ UNIK™ 16

YaraMila™ GROWER™