Saline soils are characterized by accumulation of soluble salts on the top layer of the soil Which o...........

Geography Agriculture

Saline soils are characterized by accumulation of soluble salts on the top layer of the soil.

Which of the following statements are true in the context of saline soils?

1. They are formed by seawater intrusions in the deltas and deposit of salt particles brought by South West Monsoon in a crust

2. Excessive use of fertilisers and pesticides also cause salinity in a major way.

3. The farmers use gypsum to solve the problem of salinity

1 and 2 only

2 and 3 only

1 and 3 only

All of the above

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Explanation:

Soil salinity is the salt content in the soil; the process of increasing the salt content is known as salinization. Salts occur naturally within soils and water. Salination can be caused by natural processes such as mineral weathering or by the gradual withdrawal of an ocean. It can also come about through artificial processes such as irrigation.