Abstract
Intermittent irrigation is a method carried out for irrigation efficiency in rice farming. This study aims to discover the effect of local rice varieties and types of irrigation and their interaction on rice microclimate factors. The study was conducted with an experimental method of factorial 3 × 4 strip plot design with a Randomized Completely Block Design (RCBD) with 3 replications. Type of irrigation consisted of 3 levels: conventional irrigation, irrigation ten days inundated five days dry, and irrigation seven days inundated three days dry. Rice varieties comprised four groups: Rojolele, Pandan Wangi, Mentik Wangi, and Ciherang. The results showed that the Pandan Wangi rice variety with seven days of inundation in 3 dry days had higher temperatures above the canopy. During the initial vegetative, irrigation ten days inundated five days dry and seven days inundated three days dry had higher soil temperatures above the surface than conventional irrigation. When flowering, irrigation seven days inundated three days dry has a soil temperature-depth of 15 cm higher than conventional irrigation and irrigation ten days inundated five days dry. The microclimate condition was expected to be useful concerning plant physiology, pests, diseases, and rice weeds and their control.
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