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Question
Which of the following is the living factor that affects crop production?
Which of the following is the living factor that affects crop production?
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Solution
The correct option is B Pests
∙ A variety of living factors (biotic factors) such as pests, nematodes, insects, etc., can reduce the net crop production causing a huge economic loss.
→ Pests - Pests cause damage to agriculture by feeding on crops. For example, boll weevil is a pest on cotton. It attacks the cotton crop, thereby reducing its yield.
→ Weeds - Weeds also reduce crop production by competing with the main crop for nutrients, light and space.
∙ There are also many non living factors (abiotic factors) such as salinity, temperature, rainfall, etc., affecting the net crop production.
∙ A variety of living factors (biotic factors) such as pests, nematodes, insects, etc., can reduce the net crop production causing a huge economic loss.
→ Pests - Pests cause damage to agriculture by feeding on crops. For example, boll weevil is a pest on cotton. It attacks the cotton crop, thereby reducing its yield.
→ Weeds - Weeds also reduce crop production by competing with the main crop for nutrients, light and space.
∙ There are also many non living factors (abiotic factors) such as salinity, temperature, rainfall, etc., affecting the net crop production.
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