9th Class Science Improvement in food resources Question Bank 9th CBSE Science Improvement in food resources

  • question_answer
      Differentiate between fertilisers and manures.

    Answer:

                      Differences between fertilisers and manures:                
             Fertilisers        Manures
    1. They are inorganic substance which re manufactured in factories. 1. Manure is a organic substance that is obtained from decomposition of vegetable and animal waste.
    2. Microbes are not needed for their formation. 2. Microbes degrade the organic substance to from manure.
    3. Rasy to transport, store and apply to crops. 3. It is difficult to transport, store and apply manure to crops.
    4. They do not restore soil texture. 4. They restore soli texture.
    5. They do not help restore soli texcture. 5. They help in the retention of water.


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