Q#2 The moisture holding capacity of the soil in a 100-hectare farm is 18 cm/m, the fieldis to be irrigated when 50% of t'ne available moisture in the root zone is depleted.The irrigation water is to be supplied by a pump working for 10 hours a day, andwater application efficiency is 75%. Details of crops planned for cultivation area areas follows:Root z'one depth (m) Peak rate of moisture use (mm/day)54CropXYSolve for1) The capacity of irrigation system required, to irrigate crop X in 36 hectares.2) The area of crop Y that can be irrigated when the available capacity of irrigationis 40 L/s.10.8

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Answered: 1) The capacity of irrigation system…

1) The capacity of irrigation system required, to irrigate crop X in 36 hectares. 2) The area of crop Y that can be irrigated when the available capacity of irrigation is 40 L/s.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

Q#2 The moisture holding capacity of the soil in a 100-hectare farm is 18 cm/m, the field
is to be irrigated when 50% of t'ne available moisture in the root zone is depleted.
The irrigation water is to be supplied by a pump working for 10 hours a day, and
water application efficiency is 75%. Details of crops planned for cultivation area are
as follows:
Root z'one depth (m) Peak rate of moisture use (mm/day)
5
4
Crop
X
Y
Solve for
1) The capacity of irrigation system required, to irrigate crop X in 36 hectares.
2) The area of crop Y that can be irrigated when the available capacity of irrigation
is 40 L/s.
1
0.8

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An agricultural land of 486 ha is to be irrigated for a crop having delta as 120 cm and 17 cm of rainfall occurred during the base period. The discharge in the canal is 2.2 cumecs. The canal should run for 'x' number of days to irrigate the land fully if the conveyance losses are 15%. The value of 'x' will be (Round of nearest integer)
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Problem- The command area of a canal grows only one crop, i.e., wheat. The base period of wheat is 120 days and its total water requirement. A, is 40 cm. If the canal discharge is 2 m3/s, what is the area, in hectares, rounded off to the nearest integer, which could be irrigated?
Problem- The command area of a canal grows only one crop. i.e., wheat. The base period of wheat is 120 days and its total water requirement, A. is 40 cm. If the canal discharge is 2 m³/s. the area, in hectares, rounded off to the nearest integer, which could be irrigated (neglecting all losses) is?
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An outlet irrigates an area of 20 ha. The discharge (l/s) required at this outlet to meet the evapotranspiration requirement of 20 mm occurring uniformly in 20 days neglecting other field losses is?
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