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3 cards from this section. Quick, good the night before a test.
What is Delta?
Think about the growing phase of a crop.
What does Duty measure?
What do you think this tells us about the efficiency of water use?
What is the primary function of Delta in irrigation?
Think about why we need water for plants!
Is the following statement true or false? 'Duty refers to the total volume of water supplied.'
Remember, Duty is related to area, not water volume.
An irrigation system designed for a crop with a peak water requirement of 150 cm over 150 days leads to an estimated Duty of 600 hectares/cumec. What is the calculated Delta?
Consider B as the base period and substitute values into the formula!
Given a canal that is losing 10% of water during conveyance and originally has a Duty of 800 hectares/cumec, determine the Net Duty.
Think about how losses affect available water for irrigation.
5 more questions in this section. Enroll free to practise them all.
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