Advantages of drip irrigation
Question
Which of the following is/are the advantage/advantages of practising drip irrigation?
- 1.
Reduction in weed is an advantage of drip irrigation.
- 2.
Reduction in soil salinity is an advantage of drip irrigation.
- 3.
Reduction in soil erosion is an advantage of drip irrigation.
Options
1 and 2 only
3 only
1 and 3 only
None of the above is an advantage of practising drip irrigation
Explanation
Drip irrigation has multiple advantages: (1) It reduces weed growth because water is delivered directly to the plant roots, not to intervening areas where weeds would thrive—TRUE. (2) It does not reduce soil salinity; in fact, drip irrigation can concentrate salts in areas between dripper lines if not managed properly—FALSE. (3) It reduces soil erosion because water is applied gently at the soil surface at low pressure, unlike flood or sprinkler irrigation which can cause surface erosion—TRUE. Therefore, statements 1 and 3 are correct. > Drip: targeted watering reduces weeds and erosion, not salts. Answer: (c).
Question details
Year
2016
Paper
GS Paper 1
Question
Q83
Subject
Environment
Sub-topic
Irrigation technology and water management
Type
Statement-based
Difficulty
Medium
Nature
Static
Source hint
NCERT Geography / Agriculture
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