Write one symptom of calcium deficiency?

Explanation

**Step-by-Step Solution:**

1. **Identify the Nutrient**: The question asks for a symptom of calcium deficiency. Calcium is classified as a macronutrient, which means it is needed in relatively large amounts by plants.

2. **Understand Calcium's Role**: Calcium is absorbed by plants in the form of calcium ions (Ca²⁺) from the soil. It plays a crucial role in the growth and development of plants, particularly in meristematic and differentiating tissues.

3. **Recognize the Effects of Deficiency**: When there is a deficiency of calcium, it primarily affects the meristematic tissues, which are responsible for growth.

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