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Prolonged liberal irrigation of agricult...

Prolonged liberal irrigation of agricultural fields is likely to create the problem of

A

(a) acidity

B

(b) aridity

C

(c) salinity

D

(d) metal toxicity

Text Solution

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The correct Answer is:
**Step-by-Step Solution:** 1. **Understanding the Question**: The question asks about the problems that arise from prolonged liberal irrigation of agricultural fields. 2. **Identifying the Effects of Excess Water**: Excessive irrigation leads to several issues. First, it can cause the loss of nutrients from the soil. When there is too much water, nutrients can be diluted and washed away. 3. **Waterlogging**: Prolonged irrigation can lead to waterlogging, where the soil becomes saturated with water. This condition prevents the roots of plants from receiving adequate oxygen, which is essential for their growth. 4. **Interference with Nutrient Uptake**: Excess water can also interfere with the plant's ability to absorb nutrients. When the soil is overly saturated, the roots may struggle to take up essential minerals and nutrients. 5. **Salinity Issues**: Another significant problem caused by prolonged irrigation is salinity. When excess water evaporates, it can leave behind salts in the soil, which can be harmful to plants as they are sensitive to high salt concentrations. 6. **Evaluating the Options**: After identifying the problems, we need to evaluate the provided options: - **A. Acidity**: This is not directly caused by excess water; it can be influenced by various factors. - **B. Aridity**: This refers to dryness, which is the opposite of excessive irrigation. - **C. Salinity**: This is a direct consequence of prolonged liberal irrigation, making it a likely correct answer. - **D. Metal Toxicity**: This is not typically associated with excessive water. 7. **Conclusion**: Based on the analysis, the correct answer to the question is **C. Salinity**. ---
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