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Potassium
Deficiency Symptoms
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- Pale yellow areas in interveinal region near leaf margin, which quickly becomes necrotic
- Marginal necrosis progresses more rapidly between veins with a yellow zone on inner surface
Corrective Measure
:
- Apply fertilizers in two equal split doses during April-May and September-October @ 100:40:140 g NPK/tree/year
- In trees yielding more than 50 fruits per year, apply @ 200:80:280 g NPK/tree/year
- Under irrigated conditions, apply the fertilizers in four splits during April-May, September-October, December and February-March
- Apply 1/3 of recommended dose during the first year of planting, 2/3 during second year and full dose from the third year onwards
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