Diagnosing nutrient deficiency

in Keycheck5 Nutrient Management

Palaycheck - Nutrient Management

A systematic approach is required in diagnosing nutrient deficiency based on visual symptoms for the following reasons:

1 Nutrient deficiency symptoms are often misdiagnosed as disease caused by pathogens.

2 Diagnosis may be complicated when:

  • There is more than one nutrient deficiency
  • There is simultaneous deficiency of one nutrient and simultaneous toxicity of another nutrient
  • There are damages by pests, disease symptoms, or mechanical injuries including spray damage

3 Nutritional disorders including nutrient deficiencies always have a typical symmetric pattern.

  • Leaves of the same or similar position or physiological age on a plant show nearly identical patterns of symptoms
  • There is a marked graduation in the severity of the symptoms from old to young leaves

 

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