UPSC CSE Prelims 2018 Q82 — Geography PYQ with Answer

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 ?