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Revista mexicana de ciencias agrícolas

versión impresa ISSN 2007-0934


PALACIOS MONDACA, César Arturo et al. Relationship between performance indicators and irrigation qualityusing central pivot. Rev. Mex. Cienc. Agríc [online]. 2017, vol.8, n.1, pp.39-51. ISSN 2007-0934.

The use of water for agriculture in regions under conditions of scarcity and low efficiencies, requires research, innovation and an appropriate technological transfer, to improve the quality of irrigation. The tools to optimize the use of water include pressurized irrigation systems, which despite the technological advantages, require proper maintenance and operation for the correct agronomic and hydraulic operation, so its evaluation must be a routine procedure. The central pivot irrigation system has advantages over other pressurized systems and is a good choice for the production of some crops. The traditional performance indices are the coefficient of uniformity and uniformity of water distribution. The objective of the study was to compare irrigation quality based on performance indicators: the Heermann and Hein (CUh) uniformity coefficient, distribution uniformity (UD), adequately irrigated area (ARA) and application efficiency (Ea) and determine the relationship between them. The rainfall assessments were conducted in northern Sinaloa, Mexico, in two cropping cycles (2013-2015). Rainfall showed a “high quality” irrigation with a “very well-watered” area, the analysis by sections showed the lowest performance in sections one, two and the pendant. The analysis of the total rainfall showed high ratios CUh-ARA, CUh-Ea and Ea-ARA (R2= 0.9262, 0.8661, 0.9041, respectively) and for sections only in CUh-ARA (R2= 0.7648); the performance indicators CUh and ARA are sufficient to evaluate the quality of irrigation.

Palabras llave : adequately irrigated area; efficiency; sprinkler irrigation; uniformity.

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