Impact of methane-utilizing bacteria on rice yield, inorganic fertilizers efficiency and methane emissions
Open accessAbstract
Methane (CH 4) is one of the greenhouse gases that contribute to climate change. Lowland rice cultivation is one of the main sources of methane emissions, accounting for around 5 to 19% of total global CH 4. One of the efforts to reduce CH 4 gas emissions that is environmentally friendly is through methane-utilizing bacteria. This study aimed to determine the effect of methane-utilizing bacteria on rice yield and methane emissions. The bacterial strains used were Mycobacterium senegalense LM1, Providencia stuartii LM18, Rhizobium rhizoryzae BMU, and Bacillus methylotrophicus N2P4. The research was conducted in the experimental field of The Indonesian Center for Rice Research, Bogor, Indonesia. The experiment was carried out by using a factorial randomized block design with two factors and three replications. The first factor was the dose of NPK inorganic fertilizer (50%, 75%, 100%). The second factor was bacterial consortium formulas (without bacteria, bacterial consortium 1, bacterial consortium 2). The application of a bacterial consortium containing all strains increased the efficiency of inorganic fertilizers by 25%, increased rice production by 33.55%, and reduced CH 4 emissions by 37.26%. It seems that the consortium of methane-utilizing bacteria has the prospect of biofertilizer and mitigation agents to mitigate the impact of global warming.
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Development of inhibitors for methanogenesis or addition of biochar in rice paddies has large technical potential to reduce CH4 emissions.
“the development of inhibitors for methanogenesis or the addition of biochar in rice paddies has a large technical potential to reduce CH4 emissions.121,122”
From Technologies and perspectives for achieving carbon neutrality (2021) · cites this paper as [121]
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Research works printed but not linked: 3
- 63% Remarks: F1= 50% NPK, F2 = 75% NPK, F3 = 100% NPK; C0 = without bacteria, C1= bacterial consortium 1, C2 = bacterial consortium 2 The same lowercase letters in each column and uppercase letters in each row represent no significant difference at 5% DMRT References
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Technologies and perspectives for achieving carbon neutrality
Wang, F., Harindintwali, J. D., Yuan, Z., Wang, M., Wang, F., Li, S., Yin, Z., Huang, L., Fu, Y., Li, L., et al. (2021) · The Innovation · doi:10.1016/j.xinn.2021.100180 · Cited by 1,330 · see citing works
- Authors
- Pratiwi, E., Akhdiya, A., Purwani, J., Husnain, & Syakir, M.
- Affiliations
- Indonesian Center for Agricultural Biotechnology and Genetic Resource Research and Development (ID)
- Corresponding author
- Pratiwi, E
- Venue
- IOP Conference Series: Earth and Environmental Science
- Publisher
- IOP Publishing
- Published
- 2021-02-01
- Volume
- 648
- Issue
- 1
- Pages
- 012137
- ISSN
- 1755-1315 (ISSN-L)
- 1755-1307
- OpenAlex
- W3131715831
- Cited by
- 4
- References
- 19
- Citations by year
- 2024: 1 · 2022: 2 · 2021: 1
- FWCI
- 1.66
- Type
- conference paper
- Language
- en
- Open access
- diamond
- doi.org
- Licence
- Locations
- IOP Conference Series Earth and Environmental Science (publishedVersion, cc-by)
- Topics
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Rice Cultivation and Yield Improvement
- Life Sciences › Agricultural and Biological Sciences › Soil Science › Agricultural Science and Fertilization
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant-Microbe Interactions and Immunity
- Keywords
- methane-utilizing bacteria, lowland rice, methane emissions, rice yield, bacterial consortium, Mycobacterium senegalense, Providencia stuartii, Bacillus methylotrophicus, biofertilizers, greenhouse gas emissions reduction, NPK fertilizer dose
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