Methods of Crop Improvement


 
 
Concept Explanation
 

Methods of Crop Improvement

Improvement of Crops: The period of 1960 – 1980 is called as the Golden era. India became self sufficient in food grains. In India, there are two main seasons for cultivating crops: rabi and kharif. Factors responsible for increased production of crops:

  • Use of improved seeds/ crops developed by plant breeding.
  • Improvement in soil fertility by using fertilisers.
  • Protection of plants from pests by using pesticides.
  • Control of plant diseases.
  • Better storage facilities.
  • Sample Questions
    (More Questions for each concept available in Login)
    Question : 1

    Which of the following are correct :

    (a) Use of improved seeds/ crops developed by plant breeding can improve crop yield.

    (b) Protection of plants from pests by using pesticides can improve crop yield.

    Right Option : C
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    Explanation
    Question : 2

    Which of the following are correct :

    (a) Biotic factors are the diseases, insects and nematodes while abiotic factors are the drought, salinity, water logging, heat, cold and frost which affect the crop productivity.

    (b) Abiotic factors are the diseases, insects and nematodes while abiotic factors are the drought, salinity, water logging, heat, cold and frost which affect the crop productivity.

    Right Option : A
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    Explanation
    Question : 3

    The crops can be made resistant from _________________ abiotic factors.

    Right Option : D
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    Explanation
     
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