Give two examples of beneficial elements other than sodium.

Explanation

To answer the question, "Give two examples of beneficial elements other than sodium," we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Concept of Beneficial Elements**:
- Beneficial elements are those that are not essential for all plants but can promote growth in certain species. They are typically required in small amounts.

2. **Identify the Types of Nutrients**:
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