Efektivitas Bakteri Metanotrof dan Ochrobactrum anthropi sebagai Pupuk Hayati dan Pereduksi Emisi Gas CH4 serta N2O di Sawah Anorganik.

Abstract

Global warming is the increasing of earth's surface temperature which can occurred due to agricultural activities. Agricultural activities contribute to the global warming as sources of CH4 and N2O emissions. Application of methanotrophic bacteria, Ochrobactrum anthropi, Azotobacter and Azospirillum combination could reduce the emission of CH4 and N2O. In addition, these bacteria can fix nitrogen (N2) to enhance the plant growth. The purpose of this study was to determine the effectiveness of methanotrophic bacteria, Ochrobactrum anthropi, Azotobacter and Azospirillum combination as biofertilizer and emission reducer of CH4 and N2O in the inorganic paddy fields. This experiment was arranged by treating 100% dosage of inorganic fertilizer as positive control, 25% dosage of inorganic fertilizer and 25% dosage of inorganic fertilizer mixed by biofertilizer. The observations were made on the growth parameters and the rate of gas fluxes. The combination of bacterial isolates could increase rice growth, grain yield productivity and they also could reduce CH4 and N2O emission.