Ensuring future agricultural sustainability in China utilizing an observationally validated nutrient recommendation approach

Simple item page

Simple item page

Full item details

dc.contributor.author
He, Ping
Xu, Xinpeng
Zhou, Wei
Smith, Ward
He, Wentian
Grant, Brian
Ding, Wencheng
Qiu, Shaojun
Zhao, Shicheng
dc.date.accepted
2021-10-05
dc.date.accessioned
2024-06-05T19:19:27Z
dc.date.available
2024-06-05T19:19:27Z
dc.date.issued
2021-10-19
dc.date.submitted
2020-10-18
dc.description.abstract - en
Fertilizer has revolutionized crop production, but a lack of evidence-based fertilizer usage has resulted in negative economic and environmental ramifications, particularly for smallholder farmers. This study aimed at developing an innovative nutrient recommendation approach, Nutrient Expert (NE), for improving yields of maize, wheat, and rice while optimizing fertilizer input through adoption of 4R (applying the right source of nutrients at the right rate, time and place) nutrient stewardship technologies, and evaluating the large-scale performance on crop productivity and the environmental impact of cropping systems. Thus, we compared NE to current farmers’ practice (FP) and soil test-based fertilizer application (ST) for 1,534 farm field experiments in order to validate the benefits of NE on both crop productivity and environmental protection in the main cereal production areas in China. Overall, the NE treatment achieved 4.4 % higher grain yield and 5.8 % more profit over FP, more yield for rice, but no differences for maize and wheat over ST. Nutrient Expert required 29.0 % and 14.7 % less fertilizer N than FP and ST, respectively. The NE recommendations improved the nitrogen (N) recovery efficiency by 10.8–13.4 percent points over FP across the 1,534 sites. Using the NE approach, on average, reactive N losses and greenhouse gas (GHG) emissions were reduced by 36.2 % and 21.5 % over FP, 16.0 % and 9.9 % over ST, respectively. The NE, as a user-friendly tool, is widely applicable across farm types and climatic regions. It could be beneficial for improving fertilizer use efficiency and maintaining strategic food security for smallholder production areas in China where N fertilizer is inappropriate and usually over applied. This approach could potentially be expanded to help reduce N losses and GHG emissions in other regions globally.
dc.identifier.citation
He, P., Xu, X., Zhou, W., Smith, W., He, W., Grant, B., Ding, W., Qiu, S., & Zhao, S. (2022). Ensuring future agricultural sustainability in China utilizing an observationally validated nutrient recommendation approach. European Journal of Agronomy, 132, 126409. https://doi.org/10.1016/j.eja.2021.126409
dc.identifier.doi
https://doi.org/10.1016/j.eja.2021.126409
dc.identifier.issn
1873-7331
dc.identifier.uri
https://open-science.canada.ca/handle/123456789/2540
dc.language.iso
en
dc.publisher
Elsevier B.V.
dc.rights - en
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)
dc.rights - fr
Creative Commons Attribution - Pas d'utilisation commerciale - Pas de modification 4.0 International (CC BY-NC-ND 4.0)
dc.rights.openaccesslevel - en
Gold
dc.rights.openaccesslevel - fr
Or
dc.rights.uri - en
https://creativecommons.org/licenses/by-nc-nd/4.0/
dc.rights.uri - fr
https://creativecommons.org/licenses/by-nc-nd/4.0/deed.fr
dc.subject - en
Agriculture
dc.subject - fr
Agriculture
dc.subject.en - en
Agriculture
dc.subject.fr - fr
Agriculture
dc.title - en
Ensuring future agricultural sustainability in China utilizing an observationally validated nutrient recommendation approach
dc.type - en
Article
dc.type - fr
Article
local.acceptedmanuscript.articlenum
126409
local.article.journaltitle
European Journal of Agronomy
local.article.journalvolume
132
local.peerreview - en
Yes
local.peerreview - fr
Oui
Download(s)

Original bundle

Now showing 1 - 1 of 1

Thumbnail image

Name: EnsuringFutureAgriculturalSustainabilityChina_2022.pdf

Size: 3.14 MB

Format: PDF

Download file

Page details

Date modified: