Which of these is not an example of smoother crop ?

Options

A. Alfa-alfa
B. Soybean
C. Sweet clover
D. Tobacco

Answer

To determine which of the options is not an example of a smother crop, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Concept of Smother Crops**:
- Smother crops are plants that are sown primarily to suppress the growth of weeds in agricultural fields. They grow densely and cover the ground, preventing sunlight from reaching weed seeds.

2. **Identify Common Smother Crops**:
- Some well-known smother crops include alfalfa, soybean, and sweet clover. These crops are effective in outcompeting weeds for resources.

3. **Analyze Each Option**:
- **Option 1: Alfalfa** - This is a known smother crop as it grows densely and suppresses weeds.
- **Option 2: Soybean** - Soybean is also recognized for its ability to suppress weed growth and is considered a smother crop.
- **Option 3: Sweet Clover** - This crop is similarly effective in suppressing weeds and is classified as a smother crop.
- **Option 4: Tobacco** - Tobacco is primarily grown as a cash crop and does not serve the purpose of suppressing weeds effectively.

4. **Conclusion**:
- Based on the analysis, the option that is not an example of a smother crop is **Tobacco**.

### Final Answer:
**Tobacco** is not an example of a smother crop.

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