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Which of the following is a common indicator of waterlogging in irrigation systems?

20. Which of the following is a common indicator of waterlogging in irrigation systems?

1. High salinity
2. Surface runoff
3. Low pH
4. Water table rise

Answer

The correct answer is: D) Water table rise

Explanation

Water table rise indicates excessive water accumulation in the soil, leading to waterlogging, which can adversely affect crop growth.