29 Questions
What determines the extent of the total service area of national irrigation systems?
Canal capacity
What is the process by which water vapor escapes from living plants?
Transpiration
Which factor improves soil structure and soil productivity?
Drainage
What increases water infiltration into soils and favors the growth of soil bacteria?
Drainage
What fraction of irrigation water must be leached through the root zone to control soil salinity at a specified level?
Leaching requirements (LR)
What is an example of a satellite-based instrument used for remote sensing to gather data on river discharge and water levels?
Radar altimeters
What is the sum of transpiration and water evaporated from the soil or exterior parts of plants?
Evapotranspiration
In the context of the text, what is NOT considered essential after accurately measuring flowing water?
Object modeling
Which of the following techniques is highlighted in the text as crucial for analyzing flow data and generating meaningful reports?
Data visualization techniques
Who created the presentation template mentioned in the text?
Slidesgo
Which of the following is NOT a discussant mentioned in the text?
John Smith
Why is moisture measurement important in irrigated soil?
To optimize water use and irrigation scheduling
Which method of moisture measurement involves measuring the change in dielectric constant between two conducting plates buried in the soil?
Capacitance Sensors
What is the primary advantage of moisture measurement in terms of water management?
Optimal irrigation scheduling
What does Irrigation Diversion Requirement (IDR) refer to?
Replenishing lost water during diversion
Which device measures soil moisture by injecting a neutron source into the soil?
Neutron Moisture Gauges
How do Capacitance Sensors measure soil moisture?
By sensing the change in dielectric constant between two conducting plates buried in the soil
What is the main objective of understanding farm irrigation and drainage?
To create favorable conditions for plant growth
How is irrigation generally defined?
Application of water to soil for plant growth
What is precipitation in meteorological terms?
Product of atmospheric water vapor condensation that falls from clouds
How does atmospheric water, other than precipitation, reduce plant water needs?
By reducing forces causing water transpiration
What is the purpose of flood water in relation to plants?
To absorb water for subsequent use by plants
How does drainage contribute to crop growth?
By reducing soil moisture content
Why is planning and implementing water-saving practices during nondrought periods important?
To contribute to increased resilience during dry spells.
What is the primary purpose of addressing water distribution equity among different users?
To ensure fair allocation of water resources.
Which type of irrigation channel is most commonly excavated in natural material without artificial lining?
Earth canal
Why should irrigation channels be stable according to the text?
To eliminate sediment deposition.
What is the main consequence of low velocities in irrigation channels according to the text?
Greater sediment deposition
Why are water-saving practices important for increasing resilience during dry spells?
To conserve water resources for times of scarcity.
Explore the fundamental concepts of irrigation and drainage in agriculture, including the application of water for plant growth and the removal of excess water from the soil. Learn about the objectives and significance of farm irrigation and drainage techniques.
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