Question
What is/are the advantage/advantages of zero tillage in agriculture?
1. Sowing a wheat is possible without burning the residue of previous crop.
2. Without the need for nursery of rice saplings direct planting of paddy seeds in the wet soil is possible.
3. Carbon sequestration in the soil is possible.
Select the correct answer using the code given below :
(a) 1 and 2 only
(b) 2 and 3 only
(c) 3 only
(d) 1, 2 and 3
Answer:
D
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Explanation:
1. Sowing wheat without burning residue: Zero tillage allows for direct sowing of wheat seeds without the need to burn the residue of the previous crop. This helps in retaining organic matter in the soil, improving soil health, and reducing air pollution caused by residue burning.
2. Direct planting of paddy seeds: Zero tillage enables direct planting of paddy seeds in wet soil without the requirement of a nursery for rice saplings. This saves time, labor, and resources involved in transplanting saplings, leading to increased efficiency in rice cultivation.
3. Carbon sequestration: Zero tillage promotes carbon sequestration in the soil. By minimizing soil disturbance, it helps in retaining organic matter and reducing carbon dioxide emissions. This contributes to mitigating climate change by sequestering carbon in the soil and improving soil fertility.