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What would be the application rate in mm/hr?
What would be the application rate in mm/hr?
What is the irrigation interval in days?
What is the irrigation interval in days?
What is the sprinkler discharge in lps?
What is the sprinkler discharge in lps?
What is the system capacity in lps?
What is the system capacity in lps?
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Water is supplied to level plots surrounded by dikes or levees. This method is particularly useful on fine-textured soils with low permeability. Which method is being described?
Water is supplied to level plots surrounded by dikes or levees. This method is particularly useful on fine-textured soils with low permeability. Which method is being described?
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What is the characteristic of the most efficient trapezoidal cross section?
What is the characteristic of the most efficient trapezoidal cross section?
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What is the removal of water from the road area by the use of culverts, ditches, channels, and other structures called?
What is the removal of water from the road area by the use of culverts, ditches, channels, and other structures called?
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The fraction of the irrigation water that must be leached through the root zone to control soil salinity at a specified level is known as what?
The fraction of the irrigation water that must be leached through the root zone to control soil salinity at a specified level is known as what?
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Which type of irrigation system is characterized by large service areas managed by government agencies?
Which type of irrigation system is characterized by large service areas managed by government agencies?
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What is the discharge needed to irrigate a hectare of land with a depth of 30 cm over 8 hours?
What is the discharge needed to irrigate a hectare of land with a depth of 30 cm over 8 hours?
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What is the term for the soil moisture content at which plants permanently wilt, generally at about 15 atmospheres of tension?
What is the term for the soil moisture content at which plants permanently wilt, generally at about 15 atmospheres of tension?
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If a flood flow of 560 m3/s has a 50% probability of occurrence, what is its return period?
If a flood flow of 560 m3/s has a 50% probability of occurrence, what is its return period?
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What type of flow is characterized by a constant depth of flow in a prismatic channel at any point?
What type of flow is characterized by a constant depth of flow in a prismatic channel at any point?
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Which is a typical grade for urea, a common form of commercial fertilizer?
Which is a typical grade for urea, a common form of commercial fertilizer?
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What is the primary focus of pedology in the study of soils?
What is the primary focus of pedology in the study of soils?
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To calculate the time needed to irrigate a 100m x 100m crop on a 50 cm furrow spacing with 100 mm application depth and inflow rate of 0.4 lps/100m, what is the correct option?
To calculate the time needed to irrigate a 100m x 100m crop on a 50 cm furrow spacing with 100 mm application depth and inflow rate of 0.4 lps/100m, what is the correct option?
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What is the desired discharge per sprinkler in lps given the application efficiency and maximum intake rate of the soil?
What is the desired discharge per sprinkler in lps given the application efficiency and maximum intake rate of the soil?
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How many sprinklers are in a lateral when the rectangular field dimensions are 160m x 120m?
How many sprinklers are in a lateral when the rectangular field dimensions are 160m x 120m?
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How many hours will it take to apply the water requirement in one lateral position?
How many hours will it take to apply the water requirement in one lateral position?
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What is the required pump discharge in lps for effective irrigation given the field specifics?
What is the required pump discharge in lps for effective irrigation given the field specifics?
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What should be the diameter of a pipe sufficient to hold water in an open canal that is 2m wide and 1m deep?
What should be the diameter of a pipe sufficient to hold water in an open canal that is 2m wide and 1m deep?
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Which method measures the velocity of a floating object in a stream?
Which method measures the velocity of a floating object in a stream?
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What is the uniformity coefficient when measuring water penetration depth in a furrow irrigation system with given data?
What is the uniformity coefficient when measuring water penetration depth in a furrow irrigation system with given data?
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What type of irrigation employs small rills for closely spaced crops?
What type of irrigation employs small rills for closely spaced crops?
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What method of fertilizer application involves dissolving fertilizer in water to be sprayed on plant leaves?
What method of fertilizer application involves dissolving fertilizer in water to be sprayed on plant leaves?
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Which term describes the moisture percentage retained in soil after drainage has ceased?
Which term describes the moisture percentage retained in soil after drainage has ceased?
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What is the velocity of water right after its take-off from a circular hole at the base of a tank, if the tank is 2 m high?
What is the velocity of water right after its take-off from a circular hole at the base of a tank, if the tank is 2 m high?
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Which term refers to plants that live for more than one year and may produce seeds in the first year?
Which term refers to plants that live for more than one year and may produce seeds in the first year?
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For a concrete-lined trapezoidal irrigation canal, what is the normal depth if it is 2 m wide, has a discharge of 1.65 m³/s, and a side slope z of 2?
For a concrete-lined trapezoidal irrigation canal, what is the normal depth if it is 2 m wide, has a discharge of 1.65 m³/s, and a side slope z of 2?
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What is the expected water depth in a culvert with a diameter of 24 inches flowing at a rate of 500 gpm with a velocity of 2 ft/s?
What is the expected water depth in a culvert with a diameter of 24 inches flowing at a rate of 500 gpm with a velocity of 2 ft/s?
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What is the concept that describes the vulnerability of soil to erosion based on its properties and management practices?
What is the concept that describes the vulnerability of soil to erosion based on its properties and management practices?
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What is the term for the channel where water flows from a source to the area intended for irrigation?
What is the term for the channel where water flows from a source to the area intended for irrigation?
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What is the primary purpose of a division box in irrigation systems?
What is the primary purpose of a division box in irrigation systems?
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Which method describes the construction of levees to manage irrigation on sloped terrain?
Which method describes the construction of levees to manage irrigation on sloped terrain?
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What is the significance of understanding the roughness coefficient in open channel design?
What is the significance of understanding the roughness coefficient in open channel design?
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Which term best describes the concept of willingness to purchase specific goods?
Which term best describes the concept of willingness to purchase specific goods?
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In irrigation, what does the term evapotranspiration specifically refer to?
In irrigation, what does the term evapotranspiration specifically refer to?
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What is the main function of a culvert in agricultural water management?
What is the main function of a culvert in agricultural water management?
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What is meant by irrigation efficiency in the context of water use?
What is meant by irrigation efficiency in the context of water use?
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Which marketing function is critical for transforming agricultural products to enhance marketability?
Which marketing function is critical for transforming agricultural products to enhance marketability?
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Study Notes
Irrigation and Water Resources
- Irrigation is the artificial application of water to the soil to assist in the production of agricultural crops.
- Sprinkler irrigation is a common type of irrigation where water is sprayed from sprinklers.
- Level-border or basin irrigation is suitable for fine-textured soils with low permeability, where water needs to be held on the surface for proper penetration.
- Furrow irrigation involves creating furrows in the soil, where water flows through, irrigating the crops from below.
- Corrugation irrigation is a variation of furrow irrigation, using small rills or corrugations to irrigate closely spaced crops, such as small grains and pastures.
- The most efficient trapezoidal cross section for a channel is when the width of the bottom is twice the depth.
- Drainage is the removal of water from the road area using structures such as culverts, ditches, and channels.
- Leaching requirement (LR) is the fraction of irrigation water needed to leach salts from the root zone to control soil salinity.
- Water horsepower is the power needed to pump water, while brake horsepower is the power output of the pump engine, and pump efficiency is the ratio of water horsepower to brake horsepower.
- Communal Irrigation Systems (CIS) are managed by government agencies and have large service areas.
- On-Farm Irrigation Facilities are individual irrigation systems on farmland.
- National Irrigation Systems (NIS) are large-scale irrigation projects managed by government agencies.
- Permanent wilting point (PWP) is the soil moisture content at which plants permanently wilt.
- Return period is the average time between occurrences of an event with a specific probability. A 50% probability of occurrence corresponds to a return period of 2 years.
- Uniform flow in a channel occurs when the depth of flow is constant along the channel.
- Urea is a common commercial fertilizer with a typical grade of 46-0-0.
- Pedology is the study of soil with an emphasis on its origin, characteristics, classification, and description.
- Gene is the unit of heredity and is responsible for traits like variation, sex determination, and related phenomena.
- Field capacity is the percentage of moisture held in the soil by capillary forces after drainage has ceased.
- Perennial plants live for more than one year and can produce seeds in the first year and every season thereafter.
- Erodibility is the vulnerability of soil to erosion, influenced by soil physical properties and land management practices.
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Description
This quiz explores various irrigation methods and their applications in agriculture. Topics covered include sprinkler irrigation, level-border, furrow, and corrugation irrigation, along with drainage and leaching requirements. Test your knowledge on how these systems function and their efficiency.
