Definición:
Sistemas de drenaje como canales y surcos de tierra diseñados para desviar el exceso de agua superficial de una zona agrícola y evitar el encharcamiento y la salinización.
Fuente:
Food and Agriculture Organization of the United Nations, AQUASTAT Web Site
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Términos Relacionados:
En Glosario de Riego: canal, drenaje, superficial, vaguada, encharcamiento