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Global irrigation contribution to wheat and maize yield

Authors
  • Wang, Xuhui1
  • Müller, Christoph2
  • Elliot, Joshua3, 4
  • Mueller, Nathaniel D.5, 5
  • Ciais, Philippe1, 6
  • Jägermeyr, Jonas3, 4
  • Gerber, James7
  • Dumas, Patrice8
  • Wang, Chenzhi1
  • Yang, Hui1, 6
  • Li, Laurent9
  • Deryng, Delphine10
  • Folberth, Christian11
  • Liu, Wenfeng12
  • Makowski, David13
  • Olin, Stefan14
  • Pugh, Thomas A. M.14
  • Reddy, Ashwan15
  • Schmid, Erwin16
  • Jeong, Sujong17
  • And 2 more
  • 1 Peking University, Beijing, 100871, China , Beijing (China)
  • 2 Potsdam Institute for Climate Impact Research, Potsdam, 14473, Germany , Potsdam (Germany)
  • 3 University of Chicago and ANL Computation Institute, Chicago, IL, 60637, USA , Chicago (United States)
  • 4 Columbia University Center for Climate Systems Research, New York, NY, 10025, USA , New York (United States)
  • 5 Colorado State University, Fort Collins, CO, USA , Fort Collins (United States)
  • 6 CEA CNRS UVSQ Orme des Merisiers, Gif-sur-Yvette, 91191, France , Gif-sur-Yvette (France)
  • 7 University of Minnesota, St. Paul, MN, 55108, USA , St. Paul (United States)
  • 8 Centre International de Recherche sur l’Environnement et le Développement, Nogent sur Marne, 94130, France , Nogent sur Marne (France)
  • 9 Université Pierre et Marie Curie, Paris, 75005, France , Paris (France)
  • 10 Climate Analytics, Berlin, 10969, Germany , Berlin (Germany)
  • 11 Ludwig Maximilian University, Munich, 80333, Germany , Munich (Germany)
  • 12 China Agricultural University, Beijing, 100083, China , Beijing (China)
  • 13 Université Paris-Saclay, UMR 211 Agronomie, Thiverval-Grignon, 78850, France , Thiverval-Grignon (France)
  • 14 Lund University, Lund, 22362, Sweden , Lund (Sweden)
  • 15 University of Maryland, College Park, MD, 20742, USA , College Park (United States)
  • 16 University of Natural Resources and Life Sciences, Vienna, 1180, Austria , Vienna (Austria)
  • 17 Seoul National University, Seoul, Korea , Seoul (South Korea)
  • 18 Chinese Academy of Sciences, Beijing, 100085, China , Beijing (China)
Type
Published Article
Journal
Nature Communications
Publisher
Springer Nature
Publication Date
Feb 23, 2021
Volume
12
Issue
1
Identifiers
DOI: 10.1038/s41467-021-21498-5
Source
Springer Nature
License
Green

Abstract

There are big uncertainties in the contribution of irrigation to crop yields. Here, the authors use Bayesian model averaging to combine statistical and process-based models and quantify the contribution of irrigation for wheat and maize yields, finding that irrigation alone cannot close yield gaps for a large fraction of global rainfed agriculture.

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