ArticleProceedings of the National Academy of Sciences of the United States of America2002
Optimizing grain yields reduces CH4 emissions from rice paddy fields.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2002. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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18 citing papers in PubMed.
- Global methane emissions from rice paddies: CH4MOD model development and application.iScience · 2024Article
- Ingrained: Rice farming and the risk of zoonotic spillover, examples from Cambodia.One health (Amsterdam, Netherlands) · 2024Review
- High-yielding nitrate transporter cultivars also mitigate methane and nitrous oxide emissions in paddy.Frontiers in plant science · 2023Article
- Soil carbon dioxide venting through rice roots.Plant, cell & environment · 2019Article
- Mitigation of methane gas emission in rice by drip irrigation.F1000Research · 2019Article
- Increasing sensitivity of methane emission measurements in rice through deployment of 'closed chambers' at nighttime.PloS one · 2018Article
- Neglecting the fallow season can significantly underestimate annual methane emissions in Mediterranean rice fields.PloS one · 2018Article
- Optimizing rice plant photosynthate allocation reduces N2O emissions from paddy fields.Scientific reports · 2016Article
- A two-year field measurement of methane and nitrous oxide fluxes from rice paddies under contrasting climate conditions.Scientific reports · 2016Article
- Nitrous oxide emission and mitigation from wheat agriculture: association of physiological and anatomical characteristics of wheat genotypes.Environmental science and pollution research international · 2016Article
- Article
- Sustainability: Bypassing the methane cycle.Nature · 2015Article
- A comparative study on carbon footprint of rice production between household and aggregated farms from Jiangxi, China.Environmental monitoring and assessment · 2015Article
- Rice management interventions to mitigate greenhouse gas emissions: a review.Environmental science and pollution research international · 2015Review
- Within field spatial variation in methane emissions from lowland rice in Myanmar.SpringerPlus · 2015Article
- Article
- Plant morphophysiological and anatomical factors associated with nitrous oxide flux from wheat (Triticum aestivum).Journal of plant research · 2012Article
- Photosynthate allocations in rice plants: food production or atmospheric methane?Proceedings of the National Academy of Sciences of the United States of America · 2002Article
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8 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Microbial production in anoxic wetland rice soils is a major source of atmospheric CH4 the most important non-CO2 greenhouse gas. Much higher CH4 emissions from well managed irrigated rice fields in the wet than in the dry season could not be explained by seasonal differences in temperature. We hypothesized that high CH4 emissions in the wet season are caused by low grain to biomass ratios. In a screenhouse experiment, removing spikelets to reduce the plants' capacity to store photosynthetically fixed C in grains increased CH4 emissions, presumably via extra C inputs to the soil. Unfavorable conditions for spikelet formation in the wet season may similarly explain high methane emissions. The observed relationship between reduced grain filling and CH4 emission provides opportunities to mitigate CH4 emissions by optimizing rice productivity.
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