"irrigation areas" is correct and usable in written English.
For example, "The government is investing in new irrigation areas to increase agricultural production in the region."
This is intensively used for irrigated agriculture, especially 85%% of water used for irrigation areas.
The rate of evaporation on the river has increased to as much as 50 percent with the creation of large reservoirs and related irrigation areas behind a number of dams.
Non-uniformity of water distribution under irrigation system creates both deficit and surplus irrigation areas.
It was first tested in one of the irrigation areas and finally extrapolated into the whole study area.
The IFMONLP model is applicable for most irrigation areas with limited water supplies to determine irrigation water strategies under a fuzzy environment.
The groundwater resource carrying capacity of the irrigation areas is evaluated using the improved catastrophe evaluation method by Xiao et al. (2011).
"The reason CSIRO was formed was to go solve the prickly pear problem … The second one was the Murrumbidgee irrigation area, a big problem in land and water.
The wind whips up so much dust in the near-desert climate of the main irrigation area that motorists often cannot see to drive.
The town serves as the commercial centre of the Mareeba-Dimbulah Irrigation Area, the tobacco farms of which receive water from the Tinaroo Falls Reservoir.
There are Jiangchuan Irrigation Area, Raohe Irrigation Area, Longtouqiao Irrigation Area in Hongxinglong Administration; the benefit units of irrigation area have Jiangchuan Farm, Baoshan Farm and Raohe Farm, 852 and 597 Farm.
The site is an abandoned irrigation area in southern Alberta, Canada.
