Rice fields are cultivated land and irrigated for planting rice.For this purpose, the paddy field should be able to support the pool of water because rice requires flooding for a certain period of growth. To irrigate the rice fields are used irrigation systems from springs, rivers or rainwater. The last rice field is known as rain-fed rice field, while the other is irrigated rice field. Rice grown in rice fields is known as wetland rice...
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Rice fields are one of the main sources of atmospheric methane emissions and are estimated to emit between 50 and 100 million tons of methane gas per year.A study showed that drying the rice fields temporarily while aerating the soil is beneficial to disrupt methane gas emissions and also increase rice yield.