Toward Low-Emission Agriculture: Synergistic Contribution of Inorganic Nitrogen and Organic Fertilizers to GHG Emissions and Strategies for Mitigation

Nitrogen (N) and organic-source fertilizers in agriculture are important to sustain crop production for feeding the growing global population. However, their use can result in significant greenhouse gas (GHG) emissions, particularly carbon dioxide (CO<sub>2</sub>), methane (CH<sub>...

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Main Authors: Shahzad Haider, Jiajie Song, Jinze Bai, Xing Wang, Guangxin Ren, Yuxin Bai, Yuming Huang, Tahir Shah, Yongzhong Feng
Format: Article
Language:English
Published: MDPI AG 2025-05-01
Series:Plants
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Online Access:https://www.mdpi.com/2223-7747/14/10/1551
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author Shahzad Haider
Jiajie Song
Jinze Bai
Xing Wang
Guangxin Ren
Yuxin Bai
Yuming Huang
Tahir Shah
Yongzhong Feng
author_facet Shahzad Haider
Jiajie Song
Jinze Bai
Xing Wang
Guangxin Ren
Yuxin Bai
Yuming Huang
Tahir Shah
Yongzhong Feng
author_sort Shahzad Haider
collection DOAJ
description Nitrogen (N) and organic-source fertilizers in agriculture are important to sustain crop production for feeding the growing global population. However, their use can result in significant greenhouse gas (GHG) emissions, particularly carbon dioxide (CO<sub>2</sub>), methane (CH<sub>4</sub>), and nitrous oxide (N<sub>2</sub>O), which are important climate drivers. This review discusses the interactive effects, uncovering both additive and suppressive outcomes of emissions under various soil and climatic conditions. In addition to examining the effects of nitrogen and the nitrogen use efficiency (NUE), it is crucial to comprehend the mechanisms and contributions of organic fertilizers to GHG emissions. This understanding is vital for developing mitigation strategies that effectively reduce emissions while maintaining agricultural productivity. In this review, the current knowledge is utilized for the management of nitrogen practices, such as the optimization of fertilization rates, timing, and methods of application, in terms of the nitrogen use efficiency and the related GHG emissions. Moreover, we discuss the role of organic fertilizers, including straw, manure, and biochar, as a mitigation strategy in relation to GHG emissions through soil carbon sequestration and enhanced nutrient cycling. Important strategies such as crop rotation, tillage, irrigation, organic fertilizers, and legume crops are considered as suitable approaches for minimizing emissions. Even with the progress made in mitigating fertilizer-related emissions, research gaps remain, specifically concerning the long-term effect of organic fertilizers and the interactions between microbial communities in the soil and fertilization practices. Furthermore, the differences in application practices and environmental conditions present considerable obstacles to accurate emission quantification. This review underlines the importance of conducting more thorough research on the combined application of N and organic fertilizers in multiple cropping systems to evolve region-specific mitigation strategies.
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spelling doaj-art-645a3766e2fe4a0fb3c5cc2aee57f7cf2025-08-20T02:33:48ZengMDPI AGPlants2223-77472025-05-011410155110.3390/plants14101551Toward Low-Emission Agriculture: Synergistic Contribution of Inorganic Nitrogen and Organic Fertilizers to GHG Emissions and Strategies for MitigationShahzad Haider0Jiajie Song1Jinze Bai2Xing Wang3Guangxin Ren4Yuxin Bai5Yuming Huang6Tahir Shah7Yongzhong Feng8College of Agronomy, Northwest A & F University, Yangling 712100, ChinaCollege of Agronomy, Northwest A & F University, Yangling 712100, ChinaCollege of Agronomy, Northwest A & F University, Yangling 712100, ChinaCollege of Agronomy, Northwest A & F University, Yangling 712100, ChinaCollege of Agronomy, Northwest A & F University, Yangling 712100, ChinaCollege of Agronomy, Northwest A & F University, Yangling 712100, ChinaCollege of Agronomy, Northwest A & F University, Yangling 712100, ChinaCollege of Natural Resources and Environment, Northwest A & F University, Yangling 712100, ChinaCollege of Agronomy, Northwest A & F University, Yangling 712100, ChinaNitrogen (N) and organic-source fertilizers in agriculture are important to sustain crop production for feeding the growing global population. However, their use can result in significant greenhouse gas (GHG) emissions, particularly carbon dioxide (CO<sub>2</sub>), methane (CH<sub>4</sub>), and nitrous oxide (N<sub>2</sub>O), which are important climate drivers. This review discusses the interactive effects, uncovering both additive and suppressive outcomes of emissions under various soil and climatic conditions. In addition to examining the effects of nitrogen and the nitrogen use efficiency (NUE), it is crucial to comprehend the mechanisms and contributions of organic fertilizers to GHG emissions. This understanding is vital for developing mitigation strategies that effectively reduce emissions while maintaining agricultural productivity. In this review, the current knowledge is utilized for the management of nitrogen practices, such as the optimization of fertilization rates, timing, and methods of application, in terms of the nitrogen use efficiency and the related GHG emissions. Moreover, we discuss the role of organic fertilizers, including straw, manure, and biochar, as a mitigation strategy in relation to GHG emissions through soil carbon sequestration and enhanced nutrient cycling. Important strategies such as crop rotation, tillage, irrigation, organic fertilizers, and legume crops are considered as suitable approaches for minimizing emissions. Even with the progress made in mitigating fertilizer-related emissions, research gaps remain, specifically concerning the long-term effect of organic fertilizers and the interactions between microbial communities in the soil and fertilization practices. Furthermore, the differences in application practices and environmental conditions present considerable obstacles to accurate emission quantification. This review underlines the importance of conducting more thorough research on the combined application of N and organic fertilizers in multiple cropping systems to evolve region-specific mitigation strategies.https://www.mdpi.com/2223-7747/14/10/1551inorganic fertilizerorganic fertilizerGHG emissionsCO<sub>2</sub>CH<sub>4</sub>N<sub>2</sub>O
spellingShingle Shahzad Haider
Jiajie Song
Jinze Bai
Xing Wang
Guangxin Ren
Yuxin Bai
Yuming Huang
Tahir Shah
Yongzhong Feng
Toward Low-Emission Agriculture: Synergistic Contribution of Inorganic Nitrogen and Organic Fertilizers to GHG Emissions and Strategies for Mitigation
Plants
inorganic fertilizer
organic fertilizer
GHG emissions
CO<sub>2</sub>
CH<sub>4</sub>
N<sub>2</sub>O
title Toward Low-Emission Agriculture: Synergistic Contribution of Inorganic Nitrogen and Organic Fertilizers to GHG Emissions and Strategies for Mitigation
title_full Toward Low-Emission Agriculture: Synergistic Contribution of Inorganic Nitrogen and Organic Fertilizers to GHG Emissions and Strategies for Mitigation
title_fullStr Toward Low-Emission Agriculture: Synergistic Contribution of Inorganic Nitrogen and Organic Fertilizers to GHG Emissions and Strategies for Mitigation
title_full_unstemmed Toward Low-Emission Agriculture: Synergistic Contribution of Inorganic Nitrogen and Organic Fertilizers to GHG Emissions and Strategies for Mitigation
title_short Toward Low-Emission Agriculture: Synergistic Contribution of Inorganic Nitrogen and Organic Fertilizers to GHG Emissions and Strategies for Mitigation
title_sort toward low emission agriculture synergistic contribution of inorganic nitrogen and organic fertilizers to ghg emissions and strategies for mitigation
topic inorganic fertilizer
organic fertilizer
GHG emissions
CO<sub>2</sub>
CH<sub>4</sub>
N<sub>2</sub>O
url https://www.mdpi.com/2223-7747/14/10/1551
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