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Recently, the Maize Research Institute of Shandong Academy of Agricultural Sciences (National Engineering Research Center for Wheat and Maize), together with Shandong Agricultural University and the Australian Federal Engineering Commission (CSIRO), has made important progress in increasing the annual wheat-maize yield and reducing negative environmental impacts, entitled "Nitrogen management to reduce GHG emissions while maintaining high crop productivity in.
" The results of the "temperate summer rainfall climate" were published in Field Crops Research (IF=7.
234-5yr),
a TOP journal in Agriculture and Forestry Sciences.
" The results of the "temperate summer rainfall climate" were published in Field Crops Research (IF=7.
234-5yr),
a TOP journal in Agriculture and Forestry Sciences.
Nitrogen fertilizer management determines crop yields and environmental footprints
of intensive production fields.
The wheat-maize two-crop planting system in the North China Plain is highly matched with the temperature and rainfall conditions in the region, contributing 67% and 28% of the country's wheat and maize production
.
However, the model's over-reliance on the intensive character of large fertilizers and irrigation inputs exacerbates greenhouse gas emissions
.
Adjusting annual fertilizer allocation according to climate characteristics to balance crop production and greenhouse gas emissions is one of
the possible important ways to achieve a sustainable increase in annual wheat and maize capacity.
of intensive production fields.
The wheat-maize two-crop planting system in the North China Plain is highly matched with the temperature and rainfall conditions in the region, contributing 67% and 28% of the country's wheat and maize production
.
However, the model's over-reliance on the intensive character of large fertilizers and irrigation inputs exacerbates greenhouse gas emissions
.
Adjusting annual fertilizer allocation according to climate characteristics to balance crop production and greenhouse gas emissions is one of
the possible important ways to achieve a sustainable increase in annual wheat and maize capacity.
In view of this, the innovation team of wheat maize physiology, ecology and cultivation of Shandong Academy of Agricultural Sciences cooperated with the Australian Federal Commission of Engineering and Technology and Shandong Agricultural University to evaluate the impact of different nitrogen management strategies on the productivity and environmental footprint of wheat-maize two-crop rotation system over a long period of time, and the results showed that even at the same nitrogen application level, summer crops had higher
N2O emission factors than winter crops.
The study reveals opportunities for further improvements in nitrogen management, i.
e.
increased nitrogen allocation in wheat (with a corresponding reduction in corn nitrogen allocation), potentially further reducing greenhouse gases
without impacting yields.
The methods and results adopted in this paper can optimize the annual nitrogen management of wheat-maize, reduce the negative impact on the environment while increasing crop yields, and have important guiding significance
for promoting the sustainable and stable yield and efficiency of wheat-maize and the "dual carbon" strategy.
N2O emission factors than winter crops.
The study reveals opportunities for further improvements in nitrogen management, i.
e.
increased nitrogen allocation in wheat (with a corresponding reduction in corn nitrogen allocation), potentially further reducing greenhouse gases
without impacting yields.
The methods and results adopted in this paper can optimize the annual nitrogen management of wheat-maize, reduce the negative impact on the environment while increasing crop yields, and have important guiding significance
for promoting the sustainable and stable yield and efficiency of wheat-maize and the "dual carbon" strategy.
Dr.
Wang Liang, postdoctoral fellow of the Wheat and Maize Physiology, Ecology and Cultivation Innovation Team, Shandong Academy of Agricultural Sciences, is the first author of the paper, researcher Li Zongxin is the corresponding author of the paper, co-investigator Enli Wang, chief scientist of CSIRO Australia, and Associate Professor Chen Guoqing of Shandong Agricultural University are the co-corresponding authors
of the paper.
The research was funded
by the National Key Research and Development Program, the post expert of the provincial corn industry technology system, and the agricultural science and technology innovation project of the academy.
Wang Liang, postdoctoral fellow of the Wheat and Maize Physiology, Ecology and Cultivation Innovation Team, Shandong Academy of Agricultural Sciences, is the first author of the paper, researcher Li Zongxin is the corresponding author of the paper, co-investigator Enli Wang, chief scientist of CSIRO Australia, and Associate Professor Chen Guoqing of Shandong Agricultural University are the co-corresponding authors
of the paper.
The research was funded
by the National Key Research and Development Program, the post expert of the provincial corn industry technology system, and the agricultural science and technology innovation project of the academy.
Article link: https://authors.
elsevier.
com/a/1g698_8chylZ0C
.
elsevier.
com/a/1g698_8chylZ0C
.
