Questions and Answers
Which method is used by farmers to selectively cultivate only healthy plants?
Transplantation
What happens when farmers continue to grow the same crop year after year in the same field?
The yield gradually decreases
What is the purpose of leaving agricultural land uncultivated for one or more seasons?
To replenish nutrients in the soil
Which crops use lots of nitrogen?
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What does transplantation in paddy fields ensure?
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Study Notes
Plant Selection and Cultivation
- Selective breeding is used by farmers to selectively cultivate only healthy plants.
- Continuing to grow the same crop year after year in the same field leads to soil depletion and reduced fertility.
Crop Rotation and Fallowing
- Leaving agricultural land uncultivated for one or more seasons, a practice called fallowing, allows the soil to replenish its nutrients.
Nitrogen-Intensive Crops
- Leguminous crops, such as beans, lentils, and peas, use lots of nitrogen.
Paddy Field Management
- Transplantation in paddy fields ensures uniform growth and better crop management.
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