Spanu, Antonino and Murtas, Antonio Matteo Luigi and Ballone, Francesca (2009) Water use and crop coefficients in sprinkler irrigated rice. Italian Journal of Agronomy, Vol. 4 (2), p. 47-58. ISSN 1125-4718. Article.
Field experiments were carried out during the years 2002, 2004, 2005 and 2006 to analyze water-soil-atmosphere interactions
in sprinkler irrigated rice. The research was carried out in Sardinia (39° 59' N; 8° 40' E, at altitude 15 m).
The cultivars used in the experiments, respectively in 2002 and in 2004-2005-2006, were Irat 212 and Eurosis. In
each year cultivars were subjected to the same crop management. Irrigation was applied since the emergence with
the sprinkler method, taking into account the loss of water from 'Class A' pan evaporation. Soil water content was
monitored at 0.10 m intervals until l.00-m depth using a 'Diviner 2000' (Sentek). In 2002 seven irrigation scheduling
treatments were compared. In 2004, 2005, 2006 irrigation treatments provided for optimal soil water conditions
during the growing season.
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