from The Century Dictionary.

  • noun Drainage of agricultural lands and removal of excess of water and of alkali by drains buried beneath the surface. See underground drainage.


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  • The use of plastic drainpipes is becoming widespread in all types of agricultural underdrainage work.

    2.1. Open ditches 1982

  • Some of it should go into the underdrainage to carry away harmful matter, another portion goes up to the surface carrying solutions needed by the plants.

    Checking the Waste A Study in Conservation Mary Huston Gregory

  • -- The expense of underdrainage demands care in every detail of the work.

    Crops and Methods for Soil Improvement Alva Agee 1900

  • Our present interest is in the wet fields of the farm, -- the cold, wet soil of an entire field, the swale lying between areas of well-drained land, the side of a field kept wet by seepage from higher land, -- and here the right solution of the troubling problem lies in underdrainage.

    Crops and Methods for Soil Improvement Alva Agee 1900

  • -- Thorough underdrainage is costly, but it is less so than the farming of fields whose productiveness is seriously limited by an excess of water.

    Crops and Methods for Soil Improvement Alva Agee 1900

  • Almost without fail will he become an earnest advocate of underdrainage.

    Crops and Methods for Soil Improvement Alva Agee 1900

  • Most of the land is under irrigation, and this system will shortly be extended over the whole thirty acres, making it, with the underdrainage, almost independent of the rainfall.

    North Carolina and its Resources. North Carolina. Board of Agriculture. 1896

  • But in humid sections where more or less of the rainfall leaves the soil as underdrainage the regular loss by leaching is so much in excess of the rise by capillarity that soils which are not affected by erosion or overflow steadily decrease in fertility even under natural conditions, with no cultivation and no removal of crops.

    The Story of the Soil; from the Basis of Absolute Science and Real Life, 1892

  • But good crops of alfalfa may be grown on subsoils so retentive that underdrainage is necessary to facilitate the escape of an excess of moisture with sufficient quickness.

    Clovers and How to Grow Them Thomas Shaw 1880

  • Whatever may be the natural character of the soil, unless always well drained by a porous subsoil, the first step toward establishing a good lawn is to secure perfect underdrainage.

    Village Improvements and Farm Villages 1865


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