Performance of Rice Varieties with Varying Irrigation Scheduling under Aerobic Condition

A. K. Padhiary *

Department of Crop Physiology, Visva-Bharati University, Sriniketan, India.

D. Panda

Department of Crop Physiology, Visva-Bharati University, Sriniketan, India.

B. R. Nayak

RRTTSS, Motto, Bhadrak, OUAT, India.

S. Mondal

Department of Crop Physiology, Visva-Bharati University, Sriniketan, India.

S. Srichandan

KrishiVigyan Kendra, Sambalpur, OUAT, India.

*Author to whom correspondence should be addressed.


Abstract

A field experiment was conducted at the Regional Research Technology and Transfer Station (RRTTS), Chiplima, Sambalpur, Odisha during summer season of 2019 & 2020 to evaluate performance of medium duration rice varieties with varying irrigation schedules under aerobic condition. The experiment was laid out in split-plot design with 3 replications and consisted of four irrigation schedules i.e. I1 = Irrigation at IW/CPE = 1.0, I2 = Irrigation at IW/CPE = 1.5, I3 = Irrigation at IW/CPE = 2.0, and I4 = Irrigation at IW/CPE = 2.5 in main plot treatments and four varieties i.e. V1 = Naveen, V2 = MTU-1010, V3= CR Dhan-201 and V4 = CR Dhan-204 in subplot treatments.

The result of pooled mean of both the years showed that higher grain yield was recorded at IW/CPE = 2.5 i.e. 4.07 t/ha , which was at par with IW/CPE = 2.0 (3.90 t/ha) and significantly superior to rest of other irrigation schedules. But in case of cultivars, higher grain yield was obtained with variety CR-Dhan 201(3.54 t/ha) which was at par with variety Naveen (3.30t/ha) and significantly superior to rest of other cultivars. The interaction of irrigation at IW/CPE 2.0 with variety CR Dhan 201 gave the highest grain yield (4.39t/ha) which was at par with irrigation at IW/CPE 2.5 with variety CR Dhan 201 (4.30 t/ha) and significantly superior to rest of other interactions. The interaction of irrigation schedules at IW/CPE 1.5 with Naveen variety produced the highest field water use efficiency (44.05 kg ha-cm-1) but it was at par with all irrigation schedules except at IW/CPE 2.5 with variety CR Dhan 201. Hence, it may be concluded that variety like CR Dhan 201 needs to be irrigated at IW/CPE 2.0 produced economically optimum yield and field water use efficiency on sandy loam soils of western region of Odisha under aerobic condition.

Keywords: Aerobic rice, irrigation schedules, water use efficiency, cultivars, IW/CPE ratio


How to Cite

Padhiary, A. K., D. Panda, B. R. Nayak, S. Mondal, and S. Srichandan. 2023. “Performance of Rice Varieties With Varying Irrigation Scheduling under Aerobic Condition”. International Journal of Environment and Climate Change 13 (10):816-21. https://doi.org/10.9734/ijecc/2023/v13i102721.

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