Practice Desilting And De-weeding Of Open Drains (51.7.1) - Drainage of Irrigated Lands

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6 sample questions

Question 1.
What is desilting?
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Think about what builds up in the bottom of a drain.
Question 2.
Why is de-weeding necessary?
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Consider what happens to a weed-filled drain.
3Question 3.
What is the purpose of desilting drains?
- To improve water flow
- To plant new crops
- To increase silt deposit
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Think about what happens when drains are clogged.
4Question 4.
Regular de-weeding is necessary to prevent what?
- True
- False
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Consider what grows in the drains.
Question 5.
Create a detailed management plan for desilting and de-weeding a drainage system in a rural community, considering seasonal changes and local environmental conditions.
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Think about how environmental factors might affect your schedule.
Question 6.
Discuss the potential long-term effects of not maintaining drainage systems on local ecosystems and agriculture.
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Consider how interconnected these systems are.

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