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Nutrient Disorder Management in Urd

 Zinc > Sulphur

Zinc Deficiency

Symptoms
  • Mature trifolate leaves develop irregular light pinkish white tissue in between the veins after 25-30 days.
  • Leaf size is reduced, thick and brittle.
  • Margins turning upward forming a cup shape.
  • Followed by brown-orange chlorosis on the leaves often show necrotic spots.

Remedies
  • Apply 25 kg Zinc sulphate in light soils and 50 kg in medium and heavy soils for a hectare.

Resources
  • ZINC CONTENT OF FERTILIZERS ARE:
    Zinc Sulphate 22 - 35%
    Zinc Chelate NaZnHEDTA 09%

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Sulphur Deficiency

Symptoms
  • Stem is thin and woody.
  • Elongation of internodes is limited.
  • Leaf size is small.
  • Paling and chlorosis of young leaves.
  • Chlorosis starts from tip of leaves and spread to margins.

Remedies
  • Apply 20 kg sulphur in light and 40 kg in medium to heavy soils/ha.
  • In sulphur deficient soils use single super phosphate and ammonium di sulphate.

Resources
  • SULPHUR CONTENT OF FERTILIZERS ARE:
    Single super phosphate 12% S
    Ammonoum sulphate 24%S
    Zinc sulphate 15%S
    Iron pyrites 18-22%S
    Elemental Sulphur 85-100%S

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With Support of TIFP, Ministry of Science & Technology, Dpt. of Scientific & Industrial Research, GoI  Designed And Developed at Directorate of Instrumentation, JNKVV, Jabalpur, MP.