Efficient Water Use in Irrigated Wheatby Luis Rendón-Pimentel, Colegio de Postgraduados, Montecillo, Mexico,
José Ortiz-Rodríguez, Colegio de Postgraduados, Montecillo, Mexico,
Rafael Acosta-Hernández, Colegio de Postgraduados, Montecillo, Mexico,
Abstract: Border irrigated wheat is the main crop in arid, semiarid and winter-dry areas in Mexico. In general water use efficiency is low, since border irrigation systems are not well designed and the crop is not timely irrigated. Research was conducted to investigate the water use efficiency in an optimally designed border irrigation system. The experiment was carried out in a 60 m × 110 m plot. The discharge was selected using a hydrologic border irrigation model to obtain uniform irrigation depth along the border. Results indicate that high irrigation efficiency could be obtained by a well selected discharge. Crop yield and irrigation water depth were similar to those obtained in a crop yield response function experiment.
Subject Headings: Crops | Irrigation water | Water conservation | Water use | Water resources | Irrigation systems | Border irrigation | North America | Mexico
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