ONR 003 Solved Assignment 2021-22
Water Harvesting Conservation and
Utilization
Course
Code: ONR 003
Maximum
Marks: 50
ONR
003 Solved Assignment 2021-22 : All assignments are in PDF format which would
be send on email/WhatsApp (9958676204) just after payment.
Answer
the following questions. All questions carry equal marks.
1. (a) Discuss the importance of water harvesting for
agriculture sustainability.
5
(b) Enlist different surface water harvesting
technique. Explain any two in detail.
2. (a) Describe the importance of ITK techniques in
water harvesting. Discuss any four ITK used in India.
5
(b) Discuss in detail roof top rainwater harvesting.
Write its significance in urban areas.
5
3. (a) Calculate the volume of water harvested from a
catchment of 20 ha, located in Malda, West Bengal and received rainfall 25 mm
on a particular day. Assume runoff coefficient 0.4.
5
(b) Describe the drip irrigation method. Write its
significance in the area of water scarcity.
5
4. (a) A farmer applying 6 cm irrigation to wheat crop
for 20 ha area and meeting water requirement of 20 cows and of 25 buffaloes.
Assume requirement of cow and buffaloes are 70 and 60 litres/ day. Compute the
gross storage capacity of a water storage pond to meet the water need for 30
days.
5
(b) What are the different types of catchments surfaces
from where the rainwater can be harvested? Explain.
5
5. (a) What is artificial groundwater recharge?
Describe different ideal conditions for artificial groundwater recharge.
5
(b) What is lining? Describe different lining materials
used for controlling the seepage losses.
5
ONR 003 Solved Assignment 2021-22, ONR 003 Solved
Assignment 2021-22, ONR 003 Solved Assignment 2021-22, ONR 003
Assignment, IGNOU Assignment ONR 003 2021-22- Gandhi National
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ONR
003 Solved Assignment 2021-22 : All assignments are in PDF format which would
be send on email/WhatsApp (9958676204) just after payment.
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IGNOU Assignment Status 2021-22
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can now check their Assignment Status. ONR 003 Solved Assignment 2021-22
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Assignment 2021-22 after submitting the assignment, you'll check you
IGNOU Assignment Status only after 3-4 weeks. it'd take 40 days to
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ONR 003 Solved Assignment 2021-22 :- Those
students who had successfully submitted their Assignments to their allocated
study centers can now check their Assignment Status. Alongside --assignment
status, they will also checkout their assignment marks & result. All this
is often available in a web mode. After submitting the assignment, you'll check
you ONR 003 Solved Assignment 2021-22 only after 3-4 weeks. ONR 003 Solved
Assignment 2021-22 it'd take 40 days to declare ONR 003 Solved Assignment
2021-22
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