subsurface drain

  • 1Drain-waste-vent system — DWV redirects here. For other uses, see Deformed wing virus. Detail of soil stack, which is connected to the sewer and vented at the top. In modern plumbing, a drain waste vent (or DWV) is part of a system that removes sewage and greywater from a …

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  • 2Dan James Pantone — is an American ecologist and conservationist with a Ph.D. from the University of California, Davis. A former professor at Texas A M University, Dr. Pantone is a researcher who has published numerous refereed articles on agroecology and… …

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  • 3Drainage system (agriculture) — An agricultural drainage system is a system by which the water level on or in the soil is controlled to enhance agricultural crop production. Contents 1 Classification 1.1 Surface drainage systems 1.2 Subsurface drainage systems …

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  • 4SaltMod — is computer program for the prediction of the salinity of soil moisture, groundwater and drainage water, the depth of the watertable, and the drain discharge in irrigated agricultural lands, using different (geo)hydrologic conditions, varying… …

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  • 5irrigation and drainage — ▪ agriculture Introduction  artificial application of water to land and artificial removal of excess water from land, respectively. Some land requires irrigation or drainage before it is possible to use it for any agricultural production; other… …

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  • 6Watertable control — is the practice of controlling the water table in agricultural land by subsurface drainage with proper criteria to improve the crop production. Contents 1 Description and definitions 1.1 Purpose 1.2 Optimization 1.3 …

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  • 7SahysMod — is a computer program for the prediction of the salinity of soil moisture, groundwater and drainage water, the depth of the water table, and the drain discharge in irrigated agricultural lands, using different hydrogeologic (aquifer) conditions,… …

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  • 8Drainage system (Agriculture) — An agricultural drainage system is a system by which the water level on or in the soil is controlled to enhance agricultural crop production.=Classification=Figure 1 classifies the various types of drainage systems. It shows the field (or… …

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  • 9Drainage equation — A drainage equation is an equation describing the relation between depth and spacing of parallel subsurface drains, depth of the watertable, depth and hydraulic conductivity of the soils. It is used in drainage design. Parameters in Hooghoudt s… …

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  • 10Tile drainage — (in agriculture) is an agriculture practice that removes excess water from soil subsurface. Whereas irrigation is the practice of adding additional water when the soil is naturally too dry, drainage brings soil moisture levels down for optimal… …

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