Horticulture
Horticulture :: Deficiencies and disorders:: Cocoa

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Nitrogen

Deficiency Symptoms :

Leaves pale or yellowish in colour, reduced in size, older leaves finally show tip scorch.

Younger leaves small, yellow or almost white in colour with little or no green associated with the veins

Internodes are compressed and petioles show acute angle with stem

Corrective Measure :
  1. Apply fertilizers in two equal split doses during April-May and September-October @ 100:40:140 g NPK/tree/year
  2. In trees yielding more than 50 fruits per year, apply @ 200:80:280 g NPK/tree/year
  3. Under irrigated conditions, apply the fertilizers in four splits during April-May, September-October, December and February-March
  4. 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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