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Why is micro-irrigation like drip system valued in water-scarce areas?

Answer and explanation

Correct answer: Because it can use water more efficiently

Micro-irrigation delivers water in a controlled way close to the plant’s root zone. In a drip system, water flows slowly through emitters or small outlets, so less water is lost through surface runoff, evaporation, or wetting areas where roots are absent. This is especially valuable where water is scarce. It may also support more precise irrigation, although filters, maintenance, suitable pressure, and correct scheduling are needed for effective use.

Option D is correct because drip irrigation can improve water-use efficiency: a greater share of supplied water reaches the crop’s useful root area. The other options do not describe its purpose. Drip irrigation does not control markets, change land ownership, or work only in large cities; it can be used in suitable farms in many locations. Therefore, its importance in dry regions comes from careful, targeted use of limited water.

Related tags

AgricultureMicro-IrrigationDripWater-Efficiency

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