Global irrigation contribution to wheat and maize yield

Research output: Contribution to journalArticlepeer-review

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Global irrigation contribution to wheat and maize yield. / Wang, Xuhui; Müller, Christoph; Elliot, Joshua; Mueller, Nathaniel D.; Ciais, Philippe; Jägermeyr, Jonas; Gerber, James; Dumas, Patrice; Wang, Chenzhi; Yang, Hui; Li, Laurent; Deryng, Delphine; Folberth, Christian; Liu, Wenfeng; Makowski, David; Olin, Stefan; Pugh, Thomas A.M.; Reddy, Ashwan; Schmid, Erwin; Jeong, Sujong; Zhou, Feng; Piao, Shilong.

In: Nature Communications, Vol. 12, No. 1, 1235, 12.2021.

Research output: Contribution to journalArticlepeer-review

Harvard

Wang, X, Müller, C, Elliot, J, Mueller, ND, Ciais, P, Jägermeyr, J, Gerber, J, Dumas, P, Wang, C, Yang, H, Li, L, Deryng, D, Folberth, C, Liu, W, Makowski, D, Olin, S, Pugh, TAM, Reddy, A, Schmid, E, Jeong, S, Zhou, F & Piao, S 2021, 'Global irrigation contribution to wheat and maize yield', Nature Communications, vol. 12, no. 1, 1235. https://doi.org/10.1038/s41467-021-21498-5

APA

Wang, X., Müller, C., Elliot, J., Mueller, N. D., Ciais, P., Jägermeyr, J., Gerber, J., Dumas, P., Wang, C., Yang, H., Li, L., Deryng, D., Folberth, C., Liu, W., Makowski, D., Olin, S., Pugh, T. A. M., Reddy, A., Schmid, E., ... Piao, S. (2021). Global irrigation contribution to wheat and maize yield. Nature Communications, 12(1), [1235]. https://doi.org/10.1038/s41467-021-21498-5

Vancouver

Wang X, Müller C, Elliot J, Mueller ND, Ciais P, Jägermeyr J et al. Global irrigation contribution to wheat and maize yield. Nature Communications. 2021 Dec;12(1). 1235. https://doi.org/10.1038/s41467-021-21498-5

Author

Wang, Xuhui ; Müller, Christoph ; Elliot, Joshua ; Mueller, Nathaniel D. ; Ciais, Philippe ; Jägermeyr, Jonas ; Gerber, James ; Dumas, Patrice ; Wang, Chenzhi ; Yang, Hui ; Li, Laurent ; Deryng, Delphine ; Folberth, Christian ; Liu, Wenfeng ; Makowski, David ; Olin, Stefan ; Pugh, Thomas A.M. ; Reddy, Ashwan ; Schmid, Erwin ; Jeong, Sujong ; Zhou, Feng ; Piao, Shilong. / Global irrigation contribution to wheat and maize yield. In: Nature Communications. 2021 ; Vol. 12, No. 1.

Bibtex

@article{60243dda03d34b84a8d448083a9a9b3a,
title = "Global irrigation contribution to wheat and maize yield",
abstract = "Irrigation is the largest sector of human water use and an important option for increasing crop production and reducing drought impacts. However, the potential for irrigation to contribute to global crop yields remains uncertain. Here, we quantify this contribution for wheat and maize at global scale by developing a Bayesian framework integrating empirical estimates and gridded global crop models on new maps of the relative difference between attainable rainfed and irrigated yield (ΔY). At global scale, ΔY is 34 ± 9% for wheat and 22 ± 13% for maize, with large spatial differences driven more by patterns of precipitation than that of evaporative demand. Comparing irrigation demands with renewable water supply, we find 30–47% of contemporary rainfed agriculture of wheat and maize cannot achieve yield gap closure utilizing current river discharge, unless more water diversion projects are set in place, putting into question the potential of irrigation to mitigate climate change impacts.",
author = "Xuhui Wang and Christoph M{\"u}ller and Joshua Elliot and Mueller, {Nathaniel D.} and Philippe Ciais and Jonas J{\"a}germeyr and James Gerber and Patrice Dumas and Chenzhi Wang and Hui Yang and Laurent Li and Delphine Deryng and Christian Folberth and Wenfeng Liu and David Makowski and Stefan Olin and Pugh, {Thomas A.M.} and Ashwan Reddy and Erwin Schmid and Sujong Jeong and Feng Zhou and Shilong Piao",
note = "Funding Information: This study was supported by the National Key R&D Program of China (2017YFA0604702 & 2019YFA0607302) and National Natural Science Foundation of China (42041007 & 41988101). Publisher Copyright: {\textcopyright} 2021, The Author(s).",
year = "2021",
month = feb,
day = "23",
doi = "10.1038/s41467-021-21498-5",
language = "English",
volume = "12",
journal = "Nature Communications",
issn = "2041-1723",
publisher = "Springer",
number = "1",

}

RIS

TY - JOUR

T1 - Global irrigation contribution to wheat and maize yield

AU - Wang, Xuhui

AU - Müller, Christoph

AU - Elliot, Joshua

AU - Mueller, Nathaniel D.

AU - Ciais, Philippe

AU - Jägermeyr, Jonas

AU - Gerber, James

AU - Dumas, Patrice

AU - Wang, Chenzhi

AU - Yang, Hui

AU - Li, Laurent

AU - Deryng, Delphine

AU - Folberth, Christian

AU - Liu, Wenfeng

AU - Makowski, David

AU - Olin, Stefan

AU - Pugh, Thomas A.M.

AU - Reddy, Ashwan

AU - Schmid, Erwin

AU - Jeong, Sujong

AU - Zhou, Feng

AU - Piao, Shilong

N1 - Funding Information: This study was supported by the National Key R&D Program of China (2017YFA0604702 & 2019YFA0607302) and National Natural Science Foundation of China (42041007 & 41988101). Publisher Copyright: © 2021, The Author(s).

PY - 2021/2/23

Y1 - 2021/2/23

N2 - Irrigation is the largest sector of human water use and an important option for increasing crop production and reducing drought impacts. However, the potential for irrigation to contribute to global crop yields remains uncertain. Here, we quantify this contribution for wheat and maize at global scale by developing a Bayesian framework integrating empirical estimates and gridded global crop models on new maps of the relative difference between attainable rainfed and irrigated yield (ΔY). At global scale, ΔY is 34 ± 9% for wheat and 22 ± 13% for maize, with large spatial differences driven more by patterns of precipitation than that of evaporative demand. Comparing irrigation demands with renewable water supply, we find 30–47% of contemporary rainfed agriculture of wheat and maize cannot achieve yield gap closure utilizing current river discharge, unless more water diversion projects are set in place, putting into question the potential of irrigation to mitigate climate change impacts.

AB - Irrigation is the largest sector of human water use and an important option for increasing crop production and reducing drought impacts. However, the potential for irrigation to contribute to global crop yields remains uncertain. Here, we quantify this contribution for wheat and maize at global scale by developing a Bayesian framework integrating empirical estimates and gridded global crop models on new maps of the relative difference between attainable rainfed and irrigated yield (ΔY). At global scale, ΔY is 34 ± 9% for wheat and 22 ± 13% for maize, with large spatial differences driven more by patterns of precipitation than that of evaporative demand. Comparing irrigation demands with renewable water supply, we find 30–47% of contemporary rainfed agriculture of wheat and maize cannot achieve yield gap closure utilizing current river discharge, unless more water diversion projects are set in place, putting into question the potential of irrigation to mitigate climate change impacts.

UR - http://www.scopus.com/inward/record.url?scp=85101337711&partnerID=8YFLogxK

U2 - 10.1038/s41467-021-21498-5

DO - 10.1038/s41467-021-21498-5

M3 - Article

C2 - 33623028

AN - SCOPUS:85101337711

VL - 12

JO - Nature Communications

JF - Nature Communications

SN - 2041-1723

IS - 1

M1 - 1235

ER -