1. 1) IPCC: Climate Change 2001, mitigation, Cambridge University Press, 2001.
2. 2) IPCC: Climate Change 2021, The physical science basis, WMO and UUNEP, 2021.
3. 3) Flessa, H., Ruser, R., Dorsch, P., Kamp, T., Jimenez, M. A., Munch, J. C. and Beese, F.: Integrated evaluation of greenhouse gas emissions (CO2, CH4, N2O) from two farming systems in southern Germany, Agriculture, Ecosystems & Environment, Vol. 91, pp. 175-189, 2002.
4. 4) Inubushi, K., Hori, K., Matsumoto, S., Umebayashi, M., and Wada, H.: Methane emission from the flooded paddy soil to the atmosphere through rice plant, Japanese Journal of Soil Science and Plant Nutrition, Vol. 60, pp. 318-324, 1987.
5. 5) Bronson, K. F., Mosier, A. R. and Bishnoi, S.R.: Nitrous Oxide Emissions in Irrigated Corn as Affected by Nitrification Inhibitors, Soil Science Society of America Journal, Vol. 56, pp. 161-165, 1992.