Horticulture
Horticulture :: Deficiencies and disorders:: Cocoa

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Phosphorous

Deficiency Symptoms :

  1. Growth is stunted

  2. Mature leaves paler towards the tip and margin, followed by tip and marginal scorch

  3. Young leaves reduced in size often showing interveinal paleness

Young leaves show acute angle with stem and internodes are compressed

 

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
Last Updated :February 2016
 

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