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12
Aug

Nitrogen - Deficiency Symptoms and Precautions

NITROGEN

Deficiency symptoms

  • Total chlorosis in older leaves
  • Premature leaf withering
  • Stunted growth
  • Yellowing of entire field
  • Narrow leaves

Prescriptions

  • Soil application of 25 % excess of recommended N
  • Foliar spray of 1 % Urea
12
Aug

Magnesuim - Deficiency Symptoms and Precuations

MAGNESIUM

Deficiency symptoms

  • Orange yellow interveinal chlorosis in old leaves
  • Green coloring appears as a string of beads
  • Leaves are wavy and groupy

Prescriptions

12
Aug

Potassium - Deficiency Symptoms and Precautions

POTASSIUM

Deficiency symptoms

  • Dark green plants with yellowish brown leaf margin
  • Necrotic spots appear on the tip of older leaves
  • Marginal drying
  • Yellowing stripes appear along the leaf intervenes
  • Resembles Tungro virus disease

Prescriptions

  • Soil application of 25 %
12
Aug

Copper - Deficiency Symptoms and Prescriptions

COPPER

Deficiency symptoms

  • Coppery blueish green leaf
  • Chlorotic streaks on the leaves
  • Dark brown necrotic lesions on the tip
  • Needle like appearance of leaf tip
  • Chalfy spikelets

Prescriptions

12
Aug

Calcium - Deficiency Symptoms and prescriptions

CALCIUM

Deficiency symptoms

  • Tips of the youngest leaves become chlorotic white
  • Plants are spindly and weak rooted
  • Reddish brown spot with areas of mottled green
  • Premature leaf senescence Occurs only in acid soils

Prescriptions

  • Liming of soil based on lime requirement
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