MITIGATION OF METHANE EMISSION FROM RICE FIELDS USING DIFFERENT NITROGEN TYPES AND RICE VARITIES

Document Type : Original Article

Authors

1 Institute of Environmental Studies and Research, Ain Shams University

2 Field crop Research Institute, Agriculture Research center

Abstract

An experimental study was conducted to investigate the effect of different nitrogen fertilizers and rice cultivars on CH4 emission from a rice paddy. The experiment was designed with two nitrogen fertilizer types, (ammonium sulfate and urea). Two rice cultivars (Giza 177 and Sakha106) were used for the plots experiment. Each experiment replicated triply. Methane flux was measured at different growth stages for the two rice cultivar treated with ammonium sulfate or urea fertilizer. There was significantly increase in methane emission fluxes due to plantation of Sakha106 rice as a comparison of two rice varieties, Moreover, ammonium sulfate treatment significantly reduced CH4 emissions by 50 to 55 % emissions compared to urea plots, also results indicated that the combination of (NH4)2SO4 application and sakha 106 rice. It was concluded that the CH4 emission was dependent on the type of nitrogen fertilizer and rice varieties in Egypt paddy soils.

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