Which fraction of soil water is available to plants for absorption by roots ?

Explanation

To determine which fraction of soil water is available to plants for absorption by roots, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Soil Water Types**:
- Soil water can be categorized into different types based on its availability to plants. The main types include gravitational water, capillary water, and hygroscopic water.

2. **Gravitational Water**:
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