Ex4-5: Calculate the amount of needed water to irrigate farm of 160 donum area through the duration 1st April to 31th August if the annual consumptive use 0.9 m, the percentage of consumptive use through these month and effective rainfall are illustrated in table below( assume 48% irrigation efficiency and 20% conveyance losses) Month April May June July August Consumption percentage% 8.6 9.3 13.2 18.3 17.6 Effective rainfall, cm 0.8 1.2 3.5 3.1 2.1

Ex4-5: Calculate the amount of needed water to irrigate farm of 160 donum area through the duration 1st April to 31th August if the annual consumptive use 0.9 m, the percentage of consumptive use through these month and effective rainfall are illustrated in table below( assume 48% irrigation efficiency and 20% conveyance losses) Month April May June July August Consumption percentage% 8.6 9.3 13.2 18.3 17.6 Effective rainfall, cm 0.8 1.2 3.5 3.1 2.1

Solid Waste Engineering

3rd Edition

ISBN:9781305635203

Author:Worrell, William A.

Publisher:Worrell, William A.

Chapter8: Landfills

Section: Chapter Questions

Problem 8.9P

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