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  • ICAR and TNAU E-Course Summarized

    Summarized Notes
  • Interceptor drain helps to control water logging by:

    Question: Interceptor drain helps to control water logging by:

    Options:

    A. Lowering the water table
    B. Preventing subsoil water from reaching the area
    C. Draining out excess water to natural drains
    D. Allowing vertical drainage

    ✅Explanation:
    Interceptor drain is a type of drainage system designed to intercept and divert excess water before it reaches a specific area. In agriculture, it is primarily used to prevent water logging by intercepting subsurface water flow (subsoil water) from uphill areas and diverting it away from the fields.

    🟠 Related Terminologies:
    ● Water logging: The saturation of soil with water, leading to oxygen deficiency and hindering plant growth.
    ● Subsoil water: Water present beneath the surface soil.
    ● Surface drains: Ditches or channels that collect and remove excess water from the surface of the field.
    ● Water table: The upper level of the saturated zone in the ground, below which the soil and rock are filled with water.

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