Madras Agricultural Journal
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September(7-9) 2023

Optimizing Irrigation Scheduling and Land Configurations of Furrow Irrigated Aerobic Rice


                                Field experiments were conducted during pishanam 2015 and 2016 at Central Farm, Agricultural College and Research Institute, Killikulam. The experiment was laid out in a factorial randomized block design with three replications. Experimental treatments comprised of three irrigation scheduling and three bed widths. Rice crop was raised under furrow furrow-irrigated raised bed system (FIRB) system. Response of the crop to the different treatments indicated that growth parameters viz., plant height and Dry Matter Production (DMP) were highest in crop raised in bed width of 1.0 m accommodating five rows per bed and irrigating the crop daily. Raised bed of 1.0 m bed width accommodating five rows per bed and irrigating crop daily resulted in higher grain yield (3874 and 3789 kg ha-1 during 2015 and 2016, respectively) and Water use Efficiency (4.39 and 4.24 kg ha-1 mm-1 during 2015 and 2016, respectively) than other irrigation scheduling and land configurations

Key words : Aerobic rice; Furrow irrigated raised bed system (FIRB); Grain yield


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