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Also referred to as trace or minor nutrients. They are required in small quantities/traces. They are essential for proper growth and development of plants.

They include;

  • Iron,
  • Manganese,
  • Copper
  • Boron,
  • Molybdenum

ROLE OF MICRONUTRIENTS AND THEIR DEFICIENCY SYMPTOMS

Copper

  • Role in oxidation-reduction reactions.
  • Respiration and utilization of iron
  • Deficiency symptoms-yellowing of young leaves.

Iron

  • Synthesis of proteins.
  • Takes part in oxidation-reduction reactions.
  • Deficiency symptoms – leaf chlorosis

Molybdenum

  • Nitrogen transformation in plants.
  • Metabolization of nitrates to amino acids and proteins
  • Deficiency symptoms –leaf curl and scathing.

 

Manganese – Same as molybdenum.

Zinc

  • Formation of growth hormone.
  • Reproduction process
  • Deficiency symptoms – white bud formation.

Boron

  • Absorption of water.
  • Translocation of sugar

 

Inorganic Fertilizers

  • These are chemically produced substances added to the soil to improve fertility classification according to nutrients contained

Straight – contain only one macronutrient.

Compound fertilizers – contain more than one macronutrient

Time of application

Some applied when planting.

Top dressing after crop emergence

Effects on the soil pH.

  • Acidic fertilizers.
  • Neutral fertilizers.
  • Basic fertilizers.

See also

Classes of food

How to raise livestock

Dirty environment and starvation

Cares for young animals

Healthy growth for animals

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