On-Farm Irrigation Committee of the Environmental and Water Resources Institute of ASCE
Surface irrigation refers to a large group of irrigation methods in which water is distributed by gravity over the surface of the field. Water is typically introduced at the high point or along the edge of a field and allowed to cover the field by overland flow. The efficiency and uniformity of irrigation is dependent upon soil uniformity, quality of land grazing, field topography and the control of the relationship between stream size, soil infiltration rate and duration of application. This chapter examines surface irrigation methods.
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