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Mid-season rice paddy drainage

Source
Climate Tech Wiki

Mid-season drainage involves the removal of surface flood water from the rice crop for about seven days towards the end of tillering. It involves ridge and furrow cultivation technology, where some moisture still exists in the soil even after the toe furrow is drained. Mid-season drainage reduces methane emissions of paddy fields, with reductions ranging from 7 to 95%.

Mid-season rice paddy drainage