Distinguish between fertilizer and manure. Give suitable examples . What are advantages and disadvantages of using fertilizer ?

Asked by jeffladebo | 12th May, 2015, 04:35: PM

Expert Answer:

Differences between manures and fertilizers:

Manure

Fertilizer

  • Natural substance obtained by the decomposition of plant and animal remains by bacteria
  • Inorganic substances or compounds
  • Provides humus to the soil
  • Does not provide humus to the soil
  • Less rich in plant nutrients
  • Rich in plant nutrients such as nitrogen, phosphorus and potassium
  • Can be prepared in fields
  • Prepared in factories
  • Inconvenient to store and transport
  • Easy to store and transport
  • Absorbed slowly by plants
  • Absorbed readily by plants
  • Example: Green manure
  • Example: Urea

Advantages of artificial fertilizers:

  • Nutrient-specific
  • Have plant nutrients in concentrated form
  • Provide quick replenishment of plant nutrients in soil
  • Highly soluble in water
  • Easily absorbed by plants
  • Easy to store, transport and handle

Disadvantages of excessive use artificial fertilizers:

  • Reduce the fertility of soil
  • Change the chemical nature of soil
  • May cause water pollution through runoff

Answered by Sheetal Kolte | 12th May, 2015, 05:15: PM

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