UPSC Civil Services 2018 Prelims General Studies Paper I

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Question : 15 of 100
 
Marks: +1, -0
With reference to agricultural soils, consider the following statements:
1. A high content of organic matter in soil drastically reduces its water holding capacity.
2. Soil does not play any role in the Sulphur cycle.
3. Irrigation over a period of time can contribute to the salinization of some agricultural lands.
Which of the statements given above is/are correct?
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