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International Journal of Innovation and Applied Studies
ISSN: 2028-9324     CODEN: IJIABO     OCLC Number: 828807274     ZDB-ID: 2703985-7
 
 
Wednesday 11 December 2019

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Effect of Irrigation Water Management Practices and Rice Cultivars on Methane (CH4) Emission and Rice Productivity


Volume 10, Issue 2, February 2015, Pages 516–534

 Effect of Irrigation Water Management Practices and Rice Cultivars on Methane (CH4) Emission and Rice Productivity

Md. Anisuzzaman Khan1, Md. Obayedul Hoque Reza2, Md. Touhiduzzaman khan3, and Muhammad Aslam Ali4

1 Department of Environmental Science, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh
2 Department of Plant Pathology, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh
3 Department of Biotechnology, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh
4 Department of Environmental Science, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

Original language: English

Received 28 September 2014

Copyright © 2015 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract


An experiment was conducted to investigate the effect of irrigation water management practices and rice cultivars (BRRI Dhan -28 and BINA Dhan -8) on methane (CH4) emission and rice productivity during Boro season (January to May 2011) at the experimental field o6f Department of Environmental Science, Bangladesh Agricultural University, Mymensingh . Two different rice varities such as BRRI Dhan-28 and BINA Dhan-8 was selected for the study. Different water management practices such as Continuous flooding (CF) at 5 cm standing water, CF at 5cm standing water for first 3 weeks, CF at 5cm standing water for first 6 weeks, CF at 5cm standing water for first 9 weeks, alternate wetting and drying(irrigated at 5cm depth, 3 day in a week and 4 days drying) and water saturated condition (no standing water) were followed in the different plot in this experiment. It was observed that alternate wetting and drying (irrigated at 5cm depth, 3 day in a week and 4 days drying) treatment gave highest yield 5.76 t/ha and 6.713 t/ha respectively in BRRI Dhan-28 and BINA Dhan-8. However the lowest seasonal methane emission 13.349 g CH4/m2/season (26.37% less than CF at 5 cm standing water) and 13.808 g CH4/m2/season (28.08% less than CF at 5 cm standing water) were found under the alternate wetting and drying in BRRI Dhan-28 and BINA Dhan-8 respectively. So alternate wetting and drying(irrigated at 5cm depth, 3 day in a week and 4 days drying) irrigation water management practice should be followed for reducing CH4 emission and sustaining rice productivity during the Boro season in Bangladesh climatic condition.

Author Keywords: Irrigation, methane emission, rice cultivars, productivity, climate.


How to Cite this Article


Md. Anisuzzaman Khan, Md. Obayedul Hoque Reza, Md. Touhiduzzaman khan, and Muhammad Aslam Ali, “Effect of Irrigation Water Management Practices and Rice Cultivars on Methane (CH4) Emission and Rice Productivity,” International Journal of Innovation and Applied Studies, vol. 10, no. 2, pp. 516–534, February 2015.