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Why is drip irrigation useful in arid regions?

Answer and explanation

Correct answer: It delivers water directly to roots

The governing concept is efficient irrigation in a water-scarce environment. A drip system releases small, controlled quantities of water through emitters near the root zone. Water is supplied where the crop can use it, so less is lost through evaporation, wind drift, or runoff than in many forms of surface irrigation. This is especially valuable in arid regions, where rainfall is limited and evaporation is high. Option A is correct because direct delivery to roots improves water-use efficiency. Options B, C, and D are incorrect: a properly managed drip system reduces wastage, does not remove soil, and can reduce dependence on uncertain rainfall.

Related tags

Drip IrrigationArid RegionsWater EfficiencyAgricultural AdaptationIrrigationWater ResourcesGeographyClass 12 Mcq

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