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Questions and Answers
What is the primary force behind flow irrigation?
What is the primary force behind flow irrigation?
- Gravity (correct)
- Frictional force
- Electromagnetic force
- Electrical force
What is a necessary condition for flow irrigation to occur?
What is a necessary condition for flow irrigation to occur?
- Water level must be lower than the land
- Water must be stagnant
- Water must be at a higher level than the land (correct)
- Water must be pumped uphill
What is the primary function of canals in flow irrigation?
What is the primary function of canals in flow irrigation?
- To filter out impurities
- To pump water uphill
- To store water for later use
- To distribute water through gravity (correct)
What type of irrigation involves the use of pumps to distribute water?
What type of irrigation involves the use of pumps to distribute water?
What is the term for the supply of water from a higher level to lower levels through a network of canals?
What is the term for the supply of water from a higher level to lower levels through a network of canals?
What is the key advantage of perennial irrigation?
What is the key advantage of perennial irrigation?
What does the term 'perennial' mean in the context of perennial irrigation?
What does the term 'perennial' mean in the context of perennial irrigation?
What was the original source of perennial irrigation water?
What was the original source of perennial irrigation water?
What is perennial irrigation a variant of?
What is perennial irrigation a variant of?
What is the significance of dams and barrages in perennial irrigation?
What is the significance of dams and barrages in perennial irrigation?
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Study Notes
Perennial Irrigation
- A variant of flood irrigation that utilizes stored water from dams and barrages.
- Enables irrigation throughout the year, regardless of seasonal changes.
- Historically, water was sourced from canals linked to ice-fed perennial rivers.
- The term "perennial" refers to the presence of water throughout all seasons of the year.
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