Shaduf

    #water logging

    #drainage canal

    #iran area

    #international commission on irrigation and drainage

    #turbine

    #barrage

    #barrage meaning

    #irrigation australia

    #what is drip irrigation

    #irrigation australia membership

    #drip irrigation

    #shaduf

    #first irrigation system

    #qanat system

    #ancient mesopotamia irrigation

    #parshall flume

    #flumes

    #weir box

    #palmer bowlus flume

    #lift irrigation