Use of Drainage Control to Minimize Potential Detrimental Effects of Improved Drainage Systemsby J. W. Gilliam, North Carolina State Univ, Soil, Science Dep, Raleigh, NC, USA,
R. W. Skaggs, North Carolina State Univ, Soil, Science Dep, Raleigh, NC, USA,
Abstract: Improved drainage systems are necessary on many soils for sustained agricultural production. However, there are several drainage system designs which can be utilized to satisfy agricultural requirements and also some drainage systems can be managed to change the hydrologic characteristics and efflux of nitrogen and phosphorus. This paper summarizes data from a research program which was designed to determine the effects of land clearing and drainage upon drainage waters and drainage system design and management upon hydrologic and water quality parameters.
Subject Headings: Drainage systems | Water quality | Hydraulic design | Systems management | Hydrology | Water resources | Agriculture
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