Vol. 7, Issue 5 (2019)
Effect of alternate wetting and drying (awd) irrigation method on yield and economic potential of different rice (Oryza sativa L.) varieties in puddled soil
Author(s): M Sharath Chandra, K Avil Kumar, M Madhavi and D Srinivasa Chary
Abstract: A field experiment was conducted to study the yield and economic potential of rice varieties as influenced by different irrigation regimes on sandy clay soil at Agricultural College farm, PJTSAU, Rajendranagar, Hyderabad during kharif, 2016. The experiment was laid out in a split plot design with three irrigation regimes (irrigation of 5 cm when water level falls below 5 cm from soil surface in field water tube, irrigation of 5 cm, at one day after disappearance of water on the surface of the soil and recommended submergence of 2-5 cm water level as per crop stage) as main treatments and four rice varieties (Telangana sona, Kunnaram sannalu, Bathukamma and Sheethal) as sub plots treatments has replicated thrice. The data recorded indicated that recommended submergence of 2-5 cm water level recorded significantly higher grain yield (6289 kg ha-1), straw yield (8703kg ha-1), gross returns (1,04,106 ` ha-1), net returns (63,691 ` ha-1) and B: C ratio (2.59) over AWDI of 5 cm when water falls below 5 cm from soil surface in field water tube and was on par with AWDI of 5 cm at one DADSW. Bathukamma produced higher grain yield (6468 kg ha-1), straw yield (7755 kg ha-1) and Telangana Sona produced higher gross returns (`1,10,576 ha-1), net returns (`70,121 ha-1) and B: C (2.73) ratio compared to Kunaram Sannalu and Sheethal. Based on the results it can be concluded that Bathukamma recorded higher grain yield, straw yield and Telangana Sona recorded higher gross returns, net returns and B: C ratio under recommended submergence of 2-5 cm water level as per crop stage.
Pages: 968-973 | 309 Views 64 Downloads
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How to cite this article:
M Sharath Chandra, K Avil Kumar, M Madhavi, D Srinivasa Chary. Effect of alternate wetting and drying (awd) irrigation method on yield and economic potential of different rice (Oryza sativa L.) varieties in puddled soil. Int J Chem Stud 2019;7(5):968-973.
