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Agriculture
Farming Techniques
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UPSC Prelims 2022 Paper-1 📅 05 Jun, 2022

"System of Rice Intensification" of cultivation, in which alternate wetting and drying of rice fields is practised, results in:
1. Reduced seed requirement
2. Reduced methane production
3. Reduced electricity consumption

Select the correct answer using the code given below:

A
(a) 1 and 2 only
B
(b) 2 and 3 only
C
(c) 1 and 3 only
D
(d) 1, 2 and 3
Result Summary
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UPSC Prelims
2022 • 05 Jun, 2022 • Paper-1
"System of Rice Intensification" of cultivation, in which alternate wetting and drying of rice fields is practised, results in:
1. Reduced seed requirement
2. Reduced methane production
3. Reduced electricity consumption

Select the correct answer using the code given below:
Correct Answer
(d) 1, 2 and 3
Agronomic Efficiency: SRI uses much younger seedlings planted singly with wider spacing, which drastically cuts down the initial seed requirement compared to tr......
Ref/Book : UPSC Prelims 2022
Ref. Subject Agriculture
Chapter -
Ref. Topic Farming Techniques
Pg. No -
💡 Analysis & Explanation
Agronomic Efficiency ▼
SRI uses much younger seedlings planted singly with wider spacing, which drastically cuts down the initial seed requirement compared to traditional broadcasting methods.
Environmental Impact ▼
By practicing alternate wetting and drying instead of continuous flooding, the anaerobic conditions required by methane-producing bacteria are disrupted, significantly lowering methane emissions.
Resource Conservation ▼
Since continuous flooding is not required, water pumps operate for shorter durations, directly resulting in reduced electricity consumption for irrigation.
Conclusion ▼
All three given outcomes are direct, proven benefits of adopting the System of Rice Intensification.
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