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ORIGINAL RESEARCH article

Front. Environ. Sci.
Sec. Soil Processes
Volume 12 - 2024 | doi: 10.3389/fenvs.2024.1485043
This article is part of the Research Topic Reduction of Greenhouse Gas Emissions from Soil View all 3 articles

Combination of nitrogen and organic fertilizers reduce N 2 O emissions while increasing winter wheat grain yields and quality in China

Provisionally accepted
Yakang Jin Yakang Jin 1Hong Chen Hong Chen 1,2Xiaoqian Tang Xiaoqian Tang 1Lei Zhang Lei Zhang 3Jun Yan Jun Yan 4Shuangjun Li Shuangjun Li 1Ya Chen Ya Chen 1Xinwei Li Xinwei Li 1Hongbao Wu Hongbao Wu 1*Xin Xiao Xin Xiao 5
  • 1 College of Resources and Environment, Anhui Science and Technology University, Chuzhou, China
  • 2 China National Rice Research Institute, Hangzhou, China
  • 3 National Meteorological Center, Beijing, China
  • 4 Nagqu Agriculture and Animal Husbandry (Grass Industry) Science and Technology Research and Promotion Center, Nagqu, China
  • 5 College of Resources and Environment, Anqing Normal University, Anqing, China

The final, formatted version of the article will be published soon.

    Wheat grain yields, quality, and nitrous oxide (N2O) emissions were controlled through the type and application rate of nitrogen (N) fertilizer. Here, we investigated the optimal management of N fertilization by examining the combined effects of organic and N fertilizers on wheat yields, quality, and N2O emissions. Field trials under six treatments were located on campus farms at Anhui Science and Technology University, including farmer's common practice (270 kg N ha -1 , N270), 2/3 reduction in N270 (90 kg N ha -1 , N90), organic fertilizer with equal N270 (OF270), 2/3 reduction in OF270 (OF90), 4/5 reduction OF270 + 1/5 reduction N270 (20% OF270 + 80% N270), and 4/5 reduction OF90 + 1/5 reduction N90 (20% OF90 + 80% N90) were applied to winter wheat.The plots were arranged in a randomized complete block experimental design. The N2O emissions were quantified under different fertilization measures in the peak wheat growing season during sowing, jointing, and grain filling stages, respectively. Compared with N270 and N90 treatments, N2O emissions were significantly decreased by 18.6% and 27.2%, respectively, under 20% OF270 + 80% N270 and 20% OF90 + 80% N90 (P < 0.05). Further, The prudent application of N fertilizers can increase wheat yields, improve their quality, and decrease N2O emissions from wheat field soils.

    Keywords: N2O emission, Wheat grain yield, nutritional quality, Nitrogen application rate, organic fertilizer

    Received: 23 Aug 2024; Accepted: 16 Sep 2024.

    Copyright: © 2024 Jin, Chen, Tang, Zhang, Yan, Li, Chen, Li, Wu and Xiao. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

    * Correspondence: Hongbao Wu, College of Resources and Environment, Anhui Science and Technology University, Chuzhou, China

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