A Roadmap for Lowering Crop Nitrogen Requirement

Increasing nitrogen fertilizer applications have sustained a growing world population in the 20th century. However, to avoid any further associated environmental damage, new sustainable agronomic practices together with new cultivars must be developed. To date the concept of nitrogen use efficiency (NUE) has been useful in quantifying the processes of nitrogen uptake and utilization, but we propose a shift in focus to consider nitrogen responsiveness as a more appropriate trait to select varieties with lower nitrogen requirements. We provide a roadmap to integrate the regulation of nitrogen uptake and assimilation into varietal selection and crop breeding programs. The overall goal is to reduce nitrogen inputs by farmers growing crops in contrasting cropping systems around the world, while sustaining yields and reducing greenhouse gas (GHG) emissions.

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  • Name: Swarbreck, Stéphanie M., Type: Corresponding Author,
  • Name: Wang, Meng, Type: Author,
  • Name: Wang, Yuan, Type: Author,
  • Name: Kindred, Daniel, Type: Author,
  • Name: Sylvester-Bradley, Roger, Type: Author,
  • Name: Shi, Weiming, Type: Author,
  • Name: Varinderpal-Singh, null, Type: Author,
  • Name: Bentley, Alison R., Type: Author,
  • Name: Griffiths, Howard, Type: Author,
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Article Host Type repository
Article Is Open Access true
Article License Type cc-by-nc-nd
Article Version Type submittedVersion
Citation Report https://scite.ai/reports/10.1016/j.tplants.2019.06.006
DFW Organisation NIAB
DFW Work Package 3
DOI 10.1016/j.tplants.2019.06.006
Date Last Updated 2021-02-17T15:17:43.877690
Evidence oa repository (via OAI-PMH title and first author match)
Funder Code(s)
Journal Is Open Access false
Open Access Status green
PDF URL https://www.repository.cam.ac.uk/bitstream/1810/293966/1/TiPS_Swarbreck_2019.pdf
Publisher URL https://www.repository.cam.ac.uk/handle/1810/293966