The issue of global warming of the planet caused by increased concentrations of greenhouse gases in the atmosphere, one of which is methane (CH4). The amount of methane gas emissions in the atmosphere that comes from paddy fields affected by various factors, among others: varieties, nutrient management, and water management or water regime.
The rate of methane emissions among rice varieties are varied depending on the nature of the morphology and physiology, including the amount of root system exudates and root oxidation power, and the amount of parenchyma tissue on rice varieties. Rice field water conditions determine the amount of methane released into the atmosphere. Some high-yielding varieties that could potentially reduce emissions of methane gas that is IR64, Way Apoburu, Tukad Balian, Tukad Patanu, Ciherang, Cisantana, and Fatmawati. Methane emission reduction potential in these varieties in sequence each 10-60, 37-44, 53, 35, 30-38, 46, and 21%. Among the seven varieties, Way Apoburu relatively low consistent release of methane into the atmosphere both on ecosystems irrigated and rainfed.
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