Crop Water Requirements and Irrigation Guidelines Quiz
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Questions and Answers

What is the primary topic discussed in the FAO Irrigation and Drainage Paper No. 56?

  • Crop Water Requirements (correct)
  • Evaluation of Irrigation Furrows
  • Soil and Water Terminology
  • Open Channel Hydraulics

    • Which publication discusses guidelines on the safe re-use of wastewater for irrigation purposes?

  • Technical Bulletin No. 1 Gintong Ani Shallow Tubewell Irrigation Project
  • FAO Agricultural Development Paper 95: Surface Irrigation
  • Chapter IV: Shallow Tubewell Construction and Development
  • Department of Agriculture Administrative Order No. 26 Series of 2007 (correct)

    • Which author(s) proposed methodologies/strategies for the development of location-specific irrigation design criteria?

  • David, W.P., Firmalino R.B.and L.C.Tecson (correct)
  • Gintong Ani Shallow Tubewell Irrigation Project
  • Booher, L.J.
  • Chow, V.T.

    • In which document can one find information on soil and water terminology?

    <p>ASAES526.3 SEP2007 Soil and Water Terminology</p> Signup and view all the answers

    What is the definition of an unlined canal?

    <p>Canals with a lining made of soil excavated from the bed</p> Signup and view all the answers

    What does the term 'water balance' refer to?

    <p>Accounting of water inflows and outflows</p> Signup and view all the answers

    In an unconfined aquifer, what serves as the upper surface of the zone of saturation?

    <p>Water table</p> Signup and view all the answers

    What type of rainfall pattern is characterized by five wet months with more than 200 mm/month precipitation?

    <p>Unimodal</p> Signup and view all the answers

    What privilege is granted by the government according to the text?

    <p>Water right privileges</p> Signup and view all the answers

    What does a well log provide information about?

    <p>Formation stratification of an aquifer</p> Signup and view all the answers

    What is the active storage volume of water in a reservoir?

    <p>Water stored between normal and maximum water levels</p> Signup and view all the answers

    What does crop coefficient ratio measure?

    <p>Crop evapotranspiration to potential evapotranspiration</p> Signup and view all the answers

    Which factor affects the actual crop evapotranspiration rate?

    <p>Soil moisture and salinity</p> Signup and view all the answers

    What is the application efficiency ratio in irrigation?

    <p>Average depth of water infiltrated to average depth applied</p> Signup and view all the answers

    What is the primary component of crop water requirements?

    <p>Evapotranspiration and consumptive use</p> Signup and view all the answers

    What does effective rainfall directly contribute to in agriculture?

    <p>Crop growth and development, excluding losses</p> Signup and view all the answers

    What is leaching in agriculture?

    <p>Deep percolation beyond root zone causing salt loss</p> Signup and view all the answers

    'Drop in-line canal' structures are designed for what purpose?

    <p>Convey canal water from higher to lower levels while dissipating energy</p> Signup and view all the answers

    'Effluent discharges' involve passing what into a body of water or land?

    <p>Wastewater or known water sources</p> Signup and view all the answers

    Study Notes

    FAO Irrigation and Drainage Paper No. 56

    • Discusses guidelines on the safe re-use of wastewater for irrigation purposes

    Irrigation Design Criteria

    • Proposed methodologies/strategies for development of location-specific irrigation design criteria by some authors

    Soil and Water Terminology

    • Information on soil and water terminology can be found in a specific document

    Unlined Canal

    • An unlined canal is a type of canal without a liner or coating

    Water Balance

    • Refers to the balance between water input and output in a system

    Unconfined Aquifer

    • The upper surface of the zone of saturation is served by the water table

    Rainfall Pattern

    • The type of rainfall pattern characterized by five wet months with more than 200 mm/month precipitation is known as a humid climate

    Government Privilege

    • The government grants a license or permit to use water resources

    Well Log

    • Provides information about the geological formation and water-bearing properties of a well

    Reservoir Storage

    • The active storage volume of water in a reservoir is the amount of water that can be used for irrigation

    Crop Coefficient Ratio

    • Measures the evapotranspiration rate of a crop relative to a reference crop

    Crop Evapotranspiration Rate

    • Is affected by factors such as climate, soil, and crop type

    Application Efficiency Ratio

    • Refers to the ratio of water actually used by the crop to the water applied through irrigation

    Crop Water Requirements

    • The primary component is the evapotranspiration rate of the crop

    Effective Rainfall

    • Directly contributes to the crop water requirements by reducing the need for irrigation

    Leaching in Agriculture

    • Refers to the process of dissolving and washing away nutrients and salts from the soil

    Drop in-line Canal Structures

    • Designed to reduce the energy of flowing water and prevent erosion in a canal

    Effluent Discharges

    • Involve passing wastewater into a body of water or land

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    Description

    Test your knowledge on computing crop water requirements, soil and water terminology, evaluation of irrigation furrows, and surface irrigation techniques with this quiz.

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