Which of the following plants is commonly used as green manure in India ?

Options

A. Sun hemp
B. Sesbania
C. Cow pea
D. All of the above

Answer

**Step-by-Step Solution:**

1. **Understanding Green Manure**: Green manure refers to the practice of using specific plants to improve soil fertility. These plants are grown and then incorporated into the soil while still green. They decompose and release nutrients that enhance soil quality.

2. **Identifying Common Green Manure Plants in India**: In India, several plants are commonly used as green manure. Some of the notable ones include:
- **Sun Hemp**: Known for its rapid growth and ability to fix nitrogen in the soil.
- **Sesbania**: Another leguminous plant that is effective in enriching soil fertility.
- **Cowpea**: A versatile legume that can also serve as green manure.

3. **Analyzing the Options**: The question provides four options:
- Sun Hemp
- Sesbania
- Cowpea
- All of the above

4. **Conclusion**: Since all three plants listed (Sun Hemp, Sesbania, and Cowpea) are recognized for their use as green manure in India, the correct answer is **"All of the above."**

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