What is the key belief of organic farmer?

Explanation

### Step-by-Step Solution:

1. **Understanding Organic Farming**: Organic farmers focus on sustainable agricultural practices that promote ecological balance and biodiversity. They believe in working with nature rather than against it.

2. **Key Belief - Biodiversity**: The primary belief of organic farmers is that biodiversity is crucial for the health of the ecosystem. A diverse landscape is more sustainable and stable, which means it can better withstand environmental changes and pests.

3. **Pest Management**: Unlike conventional farming, organic farmers do not completely eradicate pests. Instead, they manage pest populations to keep them at manageable levels. This approach helps maintain ecological balance.

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