Methane gas producing field is

Options

A. Wheat field
B. paddy field
C. Cotton field
D. groundnut field

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks which type of field is associated with the production of methane gas. The options provided are wheat field, paddy field, cotton field, and groundnut field.

2. **Identifying Sources of Methane**: Methane is a greenhouse gas that is emitted from various sources, including livestock and certain agricultural practices. It is particularly associated with ruminant livestock and rice production.

3. **Analyzing the Options**:
- **Wheat Field**: Wheat cultivation is not significantly associated with methane production.
- **Paddy Field**: Rice cultivation, especially in flooded conditions, creates anaerobic environments that promote methane production.
- **Cotton Field**: Cotton cultivation does not contribute significantly to methane emissions.
- **Groundnut Field**: Groundnut cultivation is also not a major source of methane.

4. **Focusing on Paddy Fields**: It is noted that rice production is responsible for about 11% of global anthropogenic methane emissions. During the production of 1 kg of rice, approximately 100 grams of methane is emitted.

5. **Concluding the Answer**: Based on the information that paddy fields (rice fields) are significant contributors to methane emissions due to anaerobic conditions and nitrogen fertilizer application, the correct answer is that the methane gas producing field is the **paddy field**.

**Final Answer**: The methane gas producing field is the **paddy field**.

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