2. 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 ?

1. 1 and 2 only

2. 3 only

3. 1 and 3 only

4. 1, 2 and 3

Correct Answer :

3 only