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Q: Select the option that is appropriate regarding the following two statements labelled Assertion and Reason. Assertion : Good-quality irrigation water is one of the favourable conditions for sub-surface irrigation practice. Reason: Irrigation water of bad quality may block the buried performed pipes in artificial sub-surface irrigation.
  • A. Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
  • B. Both Assertion and Reason are false.
  • C. Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion.
  • D. ssertion is true, but Reason isA false.
Correct Answer: Option A - Sub surface irrigation–In this system, water is applied beneath the land surface. Sub-surface irrigation classified as– • Natural sub-surface irrigation (Leakage water from streams, lakes, ponds, canals etc.) • Artificial sub-surface irrigation (water is applied through a network of buried perforated pipes). • In artificial sub-surface irrigation, the water used should be of good quality so the perforation does not get clogged. Surface irrigation–In this method water is applied to the surface of land it is classified as– (i) Flooding method (ii) Furrow method (iii) Contour method
A. Sub surface irrigation–In this system, water is applied beneath the land surface. Sub-surface irrigation classified as– • Natural sub-surface irrigation (Leakage water from streams, lakes, ponds, canals etc.) • Artificial sub-surface irrigation (water is applied through a network of buried perforated pipes). • In artificial sub-surface irrigation, the water used should be of good quality so the perforation does not get clogged. Surface irrigation–In this method water is applied to the surface of land it is classified as– (i) Flooding method (ii) Furrow method (iii) Contour method

Explanations:

Sub surface irrigation–In this system, water is applied beneath the land surface. Sub-surface irrigation classified as– • Natural sub-surface irrigation (Leakage water from streams, lakes, ponds, canals etc.) • Artificial sub-surface irrigation (water is applied through a network of buried perforated pipes). • In artificial sub-surface irrigation, the water used should be of good quality so the perforation does not get clogged. Surface irrigation–In this method water is applied to the surface of land it is classified as– (i) Flooding method (ii) Furrow method (iii) Contour method