Agricultural Drainage Policy in the United States Department of Agricultureby Walter J. Ochs, (M.ASCE), USDA, Washington, DC, USA,
Abstract: Agricultural drainage policies in the United States Department of Agriculture (USDA) generally call for improving the root zone environment for crop production while protecting the resource base and avoiding harm to the environment or society. Trends in USDA drainage policy reflect national environmental concerns and economic problems associated with excess production. In addition, certain advances in research and technical assistance may affect future drainage policies. Some of these include reuse of saline drainage water, water table control systems, computerized design and system operation models, and drainage material improvements.
Subject Headings: Drainage | Agriculture | Salt water | Vegetation | Hydrologic models | Water table | Control systems
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