Question

what is the major bad affect of tubewell irrigation​

Answer 1

Answer:

Pollution of surface and groundwater: Intensive farming resulting from irrigation may cause washing and leaching of soil nutrients, and soluble salts from fertilisers and pesticides and thereby pollute surface and groundwater.

Answer 2

Answer:

Reduced river flow.

Increased groundwater recharge, waterlogging, soil salinity.

Reduced downstream river water quality.

Affected downstream water users.

Lost land use opportunities.

Groundwater mining with wells, land subsidence.

Case studies.

Reduced downstream drainage and groundwater quality.

Explanation:

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