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Improvement In Food Resources — Science STD 9 — Question

CBSE BoardEnglish MediumSTD 9ScienceImprovement In Food Resources5 Marks
Question

Compare between mixed cropping and intercropping. Write down from advantage of both of these techniques.

✓

Answer

Mixed Cropping
Intercropping
1.
It aims to minimize the risk of crop failure.
1.
It aims to increase the productivity per unit area.
2.
Seeds of two crops are mixed before sowing.
2.
Seeds of two crops are not mixed.
3.
It involves no set pattern of rows of crops.
3.
It involves set pattern of rows of crops.
4.
Spraying for pest control to individual crop is difficult.
4.
Pesticides can be easily applied to individual crop.
Advantages of mixed cropping:
  1. The risk of total crop failure due to uncertain monsoon is reduced.
  2. Chances of pest infestation are greatly reduced.
  3. Fertility of the soil is improved by growing two crops simultaneously.
Advantages of intercropping:
  1. It makes better use of the natural resources of sunlight, land and water.
  2. Soil erosion is effectively arrested.
  3. The produce of each crop can be marketed and consumed separately.

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