Rice paddy soils are a quantitatively important carbon store according to a global synthesis
1.Batjes, N. H. Total carbon and nitrogen in the soils of the world. Eur. J. Soil Sci. 65, 10–21 (1996).Article
CAS
Google Scholar
2.Lal, R. Soil carbon sequestration impacts on global climate change and food security. Science 304, 1623–1627 (2004).CAS
Article
Google Scholar
3.Buringh, P. in The role of terrestrial vegetation in the global carbon cycle: Measurement by remote sensing, 91–109 (Wiley, 1984).4.Hiederer, R. & Köchy, M. Global soil organic carbon estimates and the harmonized world soil database. EUR 79, 25225 (2011).
Google Scholar
5.Smith, P. et al. Global change pressures on soils from land use and management. Glob. Chang. Biol. 22, 1008–1028 (2016).Article
Google Scholar
6.Schlesinger, W. H. The Role of Terrestrial Vegetation in the Global Carbon Cycle: Measurement by Remote Sensing (Wiley, 1984).7.Conant, R. T., Cerri, C. E., Osborne, B. B. & Paustian, K. Grassland management impacts on soil carbon stocks: a new synthesis. Ecol. Appl. 27, 662–668 (2017).Article
Google Scholar
8.Köchy, M., Hiederer, R. & Freibauer, A. Global distribution of soil organic carbon–Part 1: masses and frequency distributions of SOC stocks for the tropics, permafrost regions, wetlands, and the world. Soil 1, 351–365 (2015).Article
CAS
Google Scholar
9.Nahlik, A. M. & Fennessy, M. S. Carbon storage in US wetlands. Nat. Commun. 7, 1–9 (2016).Article
CAS
Google Scholar
10.Dixon, R. K. et al. Carbon pools and flux of global forest ecosystems. Science 263, 185–190 (1994).CAS
Article
Google Scholar
11.Atwood, T. B. et al. Global patterns in mangrove soil carbon stocks and losses. Nat. Clim. Chang. 7, 523–528 (2017).CAS
Article
Google Scholar
12.Maclean, J. L., Dawe, D. C., Hardy, B. & Hettel, G. P. Rice Almanac: Source book for the most important economic activity on earth, 3rd edn. (CABI Publishing, 2002).13.Kögel-Knabner, I. et al. Biogeochemistry of paddy soils. Geoderma 157, 1–14 (2010).Article
CAS
Google Scholar
14.Wu, J. Carbon accumulation in paddy ecosystems in subtropical China: evidence from landscape studies. Eur. J. Soil Sci. 62, 29–34 (2011).CAS
Article
Google Scholar
15.Carlson, K. M. et al. Greenhouse gas emissions intensity of global croplands. Nat. Clim. Chang. 7, 63–68 (2017).CAS
Article
Google Scholar
16.FAO (Food and Agriculture Organization of the United Nations). FAOSTAT: FAO Statistical Databases. http://faostat.fao.org/default.aspx (2018).17.Gattinger, A. et al. Enhanced top soil carbon stocks under organic farming. Proc. Natl Acad. Sci. USA 109, 18226–18231 (2012).CAS
Article
Google Scholar
18.Xie, Z. et al. Soil organic carbon stocks in China and changes from 1980s to 2000s. Glob. Chang. Biol. 13, 1989–2007 (2007).Article
Google Scholar
19.Qin, Z., Huang, Y. & Zhuang, Q. Soil organic carbon sequestration potential of cropland in China. Glob. Biogeochem. Cycles 27, 711–722 (2013).CAS
Article
Google Scholar
20.Jobbágy, E. G. & Jackson, R. B. The vertical distribution of soil organic carbon and its relation to climate and vegetation. Ecol. Appl. 10, 423–436 (2000).Article
Google Scholar
21.Haefele, S. M., Nelson, A. & Hijmans, R. J. Soil quality and constraints in global rice production. Geoderma 235, 250–259 (2014).Article
CAS
Google Scholar
22.Pan, G., Li, L., Wu, L. & Zhang, X. Storage and sequestration potential of topsoil organic carbon in China’s paddy soils. Glob. Chang. Biol. 10, 79–92 (2004).Article
Google Scholar
23.Wei, L. et al. Comparing carbon and nitrogen stocks in paddy and upland soils: Accumulation, stabilization mechanisms, and environmental drivers. Geoderma 398, 115121 (2021).Article
Google Scholar
24.Wang, P. et al. Long-term rice cultivation stabilizes soil organic carbon and promotes soil microbial activity in a salt marsh derived soil chronosequence. Sci. Rep. 5, 15704 (2015).CAS
Article
Google Scholar
25.Li, Y. et al. Oxygen availability determines key regulators in soil organic carbon mineralisation in paddy soils. Soil Biol. Biochem. 153, 108106 (2021).CAS
Article
Google Scholar
26.Evans, C. D. et al. Acidity controls on dissolved organic carbon mobility in organic soils. Glob. Chang. Biol. 18, 3317–3331 (2012).Article
Google Scholar
27.Liu, Y. et al. Impact of prolonged rice cultivation on coupling relationship among C, Fe, and Fe-reducing bacteria over a 1000-year paddy soil chronosequence. Biol. Fertil. Soils 55, 589–602 (2019).CAS
Article
Google Scholar
28.Sinsabaugh, R. L. et al. Stoichiometry of soil enzyme activity at global scale. Ecol. Lett. 11, 1252–1264 (2008).Article
Google Scholar
29.Liu, Y. et al. Microbial activity promoted with organic carbon accumulation in macroaggregates of paddy soils under long-term rice cultivation. Biogeosciences 13, 6565–6586 (2016).CAS
Article
Google Scholar
30.Liu, Y. et al. Methanogenic abundance and changes in community structure along a rice soil chronosequence from east China. Eur. J. Soil Sci. 67, 443–455 (2016).CAS
Article
Google Scholar
31.Malik, A. A. et al. Land use driven change in soil pH affects microbial carbon cycling processes. Nat. Commun. 9, 1–10 (2018).CAS
Article
Google Scholar
32.Don, A., Schumacher, J. & Freibauer, A. Impact of tropical land‐use change on soil organic carbon stocks-a meta‐analysis. Glob. Chang. Biol. 17, 1658–1670 (2011).Article
Google Scholar
33.Piao, S. et al. The carbon balance of terrestrial ecosystems in China. Nature 458, 1009–1013 (2009).CAS
Article
Google Scholar
34.Davidson, E. A. & Janssens, I. A. Temperature sensitivity of soil carbon decomposition and feedbacks to climate change. Nature 440, 165–173 (2006).CAS
Article
Google Scholar
35.Kirk, G. The Biogeochemistry of Submerged Soils (Wiley, 2004).36.Kramer, M. G., Sanderman, J., Chadwick, O. A., Chorover, J. & Vitousek, P. M. Long‐term carbon storage through retention of dissolved aromatic acids by reactive particles in soil. Glob. Chang. Biol. 18, 2594–2605 (2012).Article
Google Scholar
37.Scharpenseel, H. W., Pfeiffer, E. M. & Becker-Heidmann, P. in Advances in Soil Science (eds. Carter, MR, Stewart, BA) (Lewis Publishers, 1996).38.Liao, Q. et al. Increase in soil organic carbon stock over the last two decades in China’s Jiangsu Province. Glob. Chang. Biol. 15, 861–875 (2009).Article
Google Scholar
39.Keiluweit, M., Wanzek, T., Kleber, M., Nico, P. & Fendorf, S. Anaerobic microsites have an unaccounted role in soil carbon stabilization. Nat. Commun. 8, 1–10 (2017).CAS
Article
Google Scholar
40.Ghimire, R., Lamichhane, S., Acharya, B. S., Bista, P. & Sainju, U. M. Tillage, crop residue, and nutrient management effects on soil organic carbon in rice-based cropping systems: a review. J. Integr. Agric. 16, 1–15 (2017).Article
Google Scholar
41.Maillard, É. & Angers, D. A. Animal manure application and soil organic carbon stocks: a meta‐analysis. Glob. Chang. Biol. 20, 666–679 (2014).Article
Google Scholar
42.Tian, K. et al. Effects of long-term fertilization and residue management on soil organic carbon changes in paddy soils of China: a meta-analysis. Agric. Ecosyst. Environ. 204, 40–50 (2015).CAS
Article
Google Scholar
43.Liu, Y. et al. Initial utilization of rhizodeposits with rice growth in paddy soils: rhizosphere and N fertilization effects. Geoderma 338, 30–39 (2019).CAS
Article
Google Scholar
44.Chen, J. et al. A keystone microbial enzyme for nitrogen control of soil carbon storage. Sci. Adv. 4, eaaq1689 (2018).CAS
Article
Google Scholar
45.Zhu, Z. et al. Rice rhizodeposits affect organic matter decomposition in paddy soil: the role of N fertilization and rice growth for enzyme activities, CO2 and CH4 emissions. Soil Biol. Biochem. 116, 369–377 (2018).CAS
Article
Google Scholar
46.Moorhead, D. L. & Sinsabaugh, R. L. A theoretical model of litter decay and microbial interaction. Ecol. Monogr. 76, 151–174 (2006).Article
Google Scholar
47.Li, X. et al. Nitrogen fertilization decreases the decomposition of soil organic matter and plant residues in planted soils. Soil Biol. Biochem. 112, 47–55 (2017).CAS
Article
Google Scholar
48.Cui, J. et al. Carbon and nitrogen recycling from microbial necromass to cope with C:N stoichiometric imbalance by priming. Soil Biol. Biochem. 142, 107720 (2020).CAS
Article
Google Scholar
49.Geisseler, D., Linquist, B. A. & Lazicki, P. A. Effect of fertilization on soil microorganisms in paddy rice systems—a meta-analysis. Soil Biol. Biochem. 115, 452–460 (2017).CAS
Article
Google Scholar
50.Sun, W. et al. Climate drives global soil carbon sequestration and crop yield changes under conservation agriculture. Glob. Chang. Biol. 26, 3325–3335 (2020).Article
Google Scholar
51.Wissing, L. et al. Management-induced organic carbon accumulation in paddy soils: the role of organo-mineral associations. Soil Tillage Res. 126, 60–71 (2013).Article
Google Scholar
52.Baker, J. M., Ochsner, T. E., Venterea, R. T. & Griffis, T. J. Tillage and soil carbon sequestration—-what do we really know? Agric. Ecosyst. Environ. 118, 1–5 (2007).CAS
Article
Google Scholar
53.Lal, R. Challenges and opportunities in soil organic matter research. Eur. J. Soil Sci. 60, 158–169 (2009).CAS
Article
Google Scholar
54.Lal, R. Soil carbon sequestration in India. Clim. Change 65, 277–296 (2004).CAS
Article
Google Scholar
55.Liu, Y. et al. Carbon input and allocation by rice into paddy soils: a review. Soil Biol. Biochem. 133, 97–107 (2019).CAS
Article
Google Scholar
56.Zhao, Y. et al. Economics-and policy-driven organic carbon input enhancement dominates soil organic carbon accumulation in Chinese croplands. Proc. Natl Acad. Sci. USA 115, 4045–4050 (2018).CAS
Article
Google Scholar
57.Wei, X., Zhu, Z., Wei, L., Wu, J. & Ge, T. Biogeochemical cycles of key elements in the paddy-rice rhizosphere: microbial mechanisms and coupling processes. Rhizosphere 10, 100145 (2019).Article
Google Scholar
58.Alexandratos, N. & Bruinsma, J. World agriculture towards 2030/2050: the 2012 revision. https://doi.org/10.22004/ag.econ.288998. (2012).59.Rui, W. & Zhang, W. Effect size and duration of recommended management practices on carbon sequestration in paddy field in Yangtze Delta Plain of China: a meta-analysis. Agric. Ecosyst. Environ. 135, 199–205 (2010).CAS
Article
Google Scholar
60.Song, K. et al. Wetland degradation: its driving forces and environmental impacts in the Sanjiang Plain, China. Environ. Manage. 54, 255–271 (2014).Article
Google Scholar
61.Dong, J. et al. Northward expansion of paddy rice in northeastern Asia during 2000–2014. Geophys. Res. Lett. 43, 3754–3761 (2016).CAS
Article
Google Scholar
62.Chaturvedi, V. et al. Climate mitigation policy implications for global irrigation water demand. Mitig. Adapt. Strat. Glob. Chang. 20, 389–407 (2015).Article
Google Scholar
63.Gathorne-Hardy, A. A life cycle assessment (LCA) of greenhouse gas emissions from SRI and flooded rice production in SE India. Taiwan Water Conserv. J. 61, 111–125 (2013).
Google Scholar
64.Linquist, B., Van Groenigen, K. J., Adviento‐Borbe, M. A., Pittelkow, C. & Van Kessel, C. An agronomic assessment of greenhouse gas emissions from major cereal crops. Glob. Chang. Biol. 18, 194–209 (2012).Article
Google Scholar
65.IPCC. in Contribution of working group II to the fifth assessment report of the Intergovernmental Panel on Climate Change. (eds. Field, C. B. et al) (Cambridge University Press, 2014).66.Xie, Z. et al. CO2 mitigation potential in farmland of China by altering current organic matter amendment pattern. Sci. China Earth Sci. 53, 1351–1357 (2010).CAS
Article
Google Scholar
67.Yan, X. et al. Carbon sequestration efficiency in paddy soil and upland soil under long-term fertilization in southern China. Soil Tillage Res. 130, 42–51 (2013).Article
Google Scholar
68.Shang, Q. et al. Net annual global warming potential and greenhouse gas intensity in Chinese double rice‐cropping systems: a 3‐year field measurement in long‐term fertilizer experiments. Glob. Chang. Biol. 17, 2196–2210 (2011).Article
Google Scholar
69.Ma, Y. et al. Net global warming potential and greenhouse gas intensity of annual rice–wheat rotations with integrated soil–crop system management. Agric. Ecosyst. Environ. 164, 209–219 (2013).Article
Google Scholar
70.Xiong, Z. et al. Differences in net global warming potential and greenhouse gas intensity between major rice-based cropping systems in China. Sci. Rep. 5, 1–9 (2015).CAS
Google Scholar
71.Jiang, Y. et al. Acclimation of methane emissions from rice paddy fields to straw addition. Sci. Adv. 5, eaau9038 (2019).Article
CAS
Google Scholar
72.Liu, C., Lu, M., Cui, J., Li, B. & Fang, C. Effects of straw carbon input on carbon dynamics in agricultural soils: a meta‐analysis. Glob. Chang. Biol. 20, 1366–1381 (2014).Article
Google Scholar
73.Shakoor, A. et al. A global meta-analysis of greenhouse gases emission and crop yield under no-tillage as compared to conventional tillage. Sci. Total Environ. 750, 142299 (2021).CAS
Article
Google Scholar
74.Zhao, X. et al. Methane and nitrous oxide emissions under no‐till farming in China: a meta‐analysis. Glob. Chang. Biol. 22, 1372–1384 (2016).Article
Google Scholar
75.Kim, S. Y., Gutierrez, J. & Kim, P. J. Unexpected stimulation of CH4 emissions under continuous no-tillage system in mono-rice paddy soils during cultivation. Geoderma 267, 34–40 (2016).CAS
Article
Google Scholar
76.Ball, B. C., Scott, A. & Parker, J. P. Field N2O, CO2 and CH4 fluxes in relation to tillage, compaction and soil quality in Scotland. Soil Tillage Res. 53, 29–39 (1999).Article
Google Scholar
77.Linquist, B. A., Adviento-Borbe, M. A., Pittelkow, C. M., van Kessel, C. & van Groenigen, K. J. Fertilizer management practices and greenhouse gas emissions from rice systems: a quantitative review and analysis. Field Crop. Res. 135, 10–21 (2012).Article
Google Scholar
78.Schlesinger, W. H. Carbon sequestration in soils: some cautions amidst optimism. Agric. Ecosyst. Environ. 82, 121–127 (2000).CAS
Article
Google Scholar
79.Choudhury, A. T. M. A. & Kennedy, I. R. Nitrogen fertilizer losses from rice soils and control of environmental pollution problems. Commun. Soil Sci. Plan. 36, 1625–1639 (2005).CAS
Article
Google Scholar
80.Jiang, Y. et al. Water management to mitigate the global warming potential of rice systems: a global meta-analysis. Field Crop. Res. 234, 47–54 (2019).Article
Google Scholar
81.Suryavanshi, P., Singh, Y. V., Prasanna, R., Bhatia, A. & Shivay, Y. S. Pattern of methane emission and water productivity under different methods of rice crop establishment. Paddy Water Environ. 11, 321–329 (2013).Article
Google Scholar
82.Yan, X., Akiyama, H., Yagi, K. & Akimoto, H. Global estimations of the inventory and mitigation potential of methane emissions from rice cultivation conducted using the 2006 Intergovernmental Panel on Climate Change Guidelines. Glob. Biogeochem. Cycles https://doi.org/10.1029/2008GB003299 (2009).83.Jiang, Y. et al. Higher yields and lower methane emissions with new rice cultivars. Glob. Chang. Biol. 23, 4728–4738 (2017).Article
Google Scholar
84.Li, C. et al. Modeling greenhouse gas emissions from rice-based production systems: sensitivity and upscaling. Glob. Biogeochem. Cycles https://doi.org/10.1029/2003GB002045 (2004).85.Yin, S. et al. Carbon sequestration and emissions mitigation in paddy fields based on the DNDC model: a review. Artif. Intell. Agric. 4, 140–149 (2020).
Google Scholar
86.FAO, IIASA, ISRIC, ISSCAS, and JRC: Harmonized World Soil Database (version 1.2), Tech. Rep., FAO, Rome, Italy and IIASA, Laxenburg, Austria (2012).87.Allison, L. in Organic carbon. Methods of Soil Analysis: Part 2 Chemical and Microbiological Properties, (ed. A.g. Norman). (American Society of Agronomy, 1965).88.Fang, C. & Moncrieff, J. B. The variation of soil microbial respiration with depth in relation to soil carbon composition. Plant Soil 268, 243–253 (2005).CAS
Article
Google Scholar
89.Yan, X., Cai, Z., Wang, S. & Smith, P. Direct measurement of soil organic carbon content change in the croplands of China. Glob. Chang. Biol. 17, 1487–1496 (2011).Article
Google Scholar
90.Rosenberg, M. S., Adams, D. C. & Gurevitch, J. MetaWin 2.0: statistical software for meta-analysis (Sinauer, 2000).91.Yue, Q. et al. Deriving emission factors and estimating direct nitrous oxide emissions for crop cultivation in China. Environ. Sci. Technol. 53, 10246–10257 (2019).CAS
Article
Google Scholar
92.Hedges, L. V., Gurevitch, J. & Curtis, P. S. The meta‐analysis of response ratios in experimental ecology. Ecology 80, 1150–1156 (1999).Article
Google Scholar
93.Adams, D. C., Gurevitch, J. & Rosenberg, M. S. Resampling tests for meta‐analysis of ecological data. Ecology 78, 1277–1283 (1997).Article
Google Scholar
94.Van Groenigen, K. J., Osenberg, C. W. & Hungate, B. A. Increased soil emissions of potent greenhouse gases under increased atmospheric CO2. Nature 475, 214–216 (2011).Article
CAS
Google Scholar More