Abstract
The study on the effect of soil amendments and fertilizers on the mitigation of CH4 and N2O emission from rice field was conducted in the Wetland farm of Tamil Nadu Agricultural University farm, Coimbatore, Tamil Nadu, India during rabi season. The results showed that the use of Gypsum and Fly Ash along with recommended dose of fertilizer reduced the emission of methane whereas urea with neem treatment reduced the N2O emission from the conventional water logged rice field. Methane emission was found to peak during the panicle initiation stage while nitrous oxide emission was noted only during the maturity stage. The application of Fly Ash along with gypsum had cut down the methane emission to a greater extent at all the stages. Nitrous oxide emission was reduced with the application of slow release N fertilizer (neem treated urea).
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