The Effect of Sprinkler Irrigation on Grain Yield, Yield Components and Water Use Efficiency of Rice Cultivars under Drill-Seed Cultivation in Khuzestan

Document Type : Research Paper


1 Seed and Plant Improvement Research Department, Khuzestan Agricultural and Natural Resources Research Center, AREEO, Ahvaz, Iran.

2 Agricultural Engineering Research Department, Khuzestan Agricultural and Natural Resources Research Center, AREEO, Ahvaz, Iran.


Water scarcity is a major constraint in the development of rice farming in some parts of the world. In many areas, the volume of water consumed in the field and during the growing season of rice is usually more than the actual requirement due to traditional flood irrigation. In the province of Khuzestan, irrigation water requirement is potentially high due to the coincidence of rice cultivation with the beginning of hot months of the year. In traditional irrigation management, regular water entry and exit from the basins is commonly used to reduce water temperature and create a cool environment for plant development. This system causes a lot of water losses. It seems that a change in the irrigation method of rice fields is necessary. The application of new technologies, such as pressurized irrigation systems, can be an appropriate approach to reduce future problems related to increasing water shortages. In this regard, the study of pressurized irrigation systems has been considered as one of the strategies for reducing water consumption and increasing water productivity in rice cultivation in the research program. Result of a research in Pakistan about water use efficiency and economic feasibility of growing rice with sprinkler irrigation showed that the application of this system increased the yield of rice by 18%, while the water consumed was 35% less than the traditional irrigation system (McCauley, 1990).


Main Subjects

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