Application of Consortium Bacteria as Mitigation Option for Reduction of Greenhouse Gas Emissions in Paddy Fields

Terry Ayu Adriany


Rice cultivation practices consider significantly to contribute greenhouse gas emissions (GHG), mainly CH4 and N2O. Application of consortium bacteria that can reduce GHG emissions is a mitigation option to mitigate climate change in paddy fields. The study aimed to determine of effect the application of consortium bacteria and organic matter in paddy field. Research was conducted at the GHG Laboratory of the Indonesian Agricultural Environment Research Institute, Pati, Central Java, Indonesia. Eksperimental design used a randomized block design with two factors and three preplications. The first factor was consortium bacteria, namely R1 = SI5, OF4, BD4; R2 = SI5, TH6 OF4; R3 = SI5, BD4, Bacillus aryabathai and R0 = without microbial treatment. The second factor was application of organic matter, O0 = without organic matter and O1 = farmyard manure 2 tons ha-1. Water level condition was maintained 3-5 cm on the soil surface. Other observed parameters were soil nutrients, total population of methanotrophic and denitrifying bacteria. Results showed the consortium bacteria R3 (Amorphomonas oryzae, Bordetella petrii, Bacillus aryabhattai) colud reduce CH4 emissions by 19.63% compared to treatment without microb (R0). Application of consortium bacteria (R1, R2 and R3) decreased N2O emissions by 27.05% to 33.49% compared to R0 treatment. Utilization of consortium bacteria R3 was could reduce GHG emissions in paddy fields and became an option for mitigation activities and created environmentally friendly of rice cultivation practices.


Green house gas emission, soil microbiology, soil nutrient

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