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The development of China-DNDC and review of its applications for sustaining Chinese agriculture

Author

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  • Li, Hu
  • Wang, Ligang
  • Li, Jianzheng
  • Gao, Maofang
  • Zhang, Jing
  • Zhang, Jianfeng
  • Qiu, Jianjun
  • Deng, Jia
  • Li, Changsheng
  • Frolking, Steve

Abstract

During the past century Chinese agriculture has been struggling to produce more food to support the ever growing population, while dealing with the increased degradation of air, water and soil quality in the agricultural regions. Lessons learnt from the long-term efforts indicated that scientifically sound methodology could play a crucial role in understanding the complex interactions among climate, soil, water and farming management practices, all of which collectively control the agroecosystem services including crop yield, greenhouse gas emissions, nutrient loading and other environmental issues. Therefore, the development of a more process-based approach is needed. The process-based model, DNDC (Denitrification-Decomposition) has been widely used internationally to simulate detailed carbon and nitrogen biogeochemical cycles occurring in agricultural systems. However, this model is not fully suitable for China as it lacks a number of features which are crucial for representing Chinese agro-ecosystems, including paddy rice cultivation, complex and multiple cropping systems, and intensive management practices, etc. Recently a new version of DNDC, China-DNDC, was developed. The new model improved its capability of predicting the fluxes of all three terrestrial greenhouse gases: nitrous oxide (N2O), carbon dioxide (CO2), and methane (CH4), as well as other important indicators such as crop phenology, soil C sequestration, and nutrient leaching from different cropping systems across all the major agricultural regions in China. This paper reported how China-DNDC was developed, tested and applied for sustaining Chinese agriculture. And then, it identified the weaknesses and potential improvements for the model.

Suggested Citation

  • Li, Hu & Wang, Ligang & Li, Jianzheng & Gao, Maofang & Zhang, Jing & Zhang, Jianfeng & Qiu, Jianjun & Deng, Jia & Li, Changsheng & Frolking, Steve, 2017. "The development of China-DNDC and review of its applications for sustaining Chinese agriculture," Ecological Modelling, Elsevier, vol. 348(C), pages 1-13.
    • Handle: RePEc:eee:ecomod:v:348:y:2017:i:c:p:1-13
    DOI: 10.1016/j.ecolmodel.2017.01.003
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    References listed on IDEAS

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    1. Zhang, Yajie & Niu, Haishan & Wang, Shiping & Xu, Kun & Wang, Rui, 2016. "Application of the DNDC model to estimate N2O emissions under different types of irrigation in vineyards in Ningxia, China," Agricultural Water Management, Elsevier, vol. 163(C), pages 295-304.
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    Cited by:

    1. Zuoxi Liu & Yongyang Wang & Shanshan Wang & Huijuan Dong & Yong Geng & Bing Xue & Jiaming Gu & Run Dong Li & Tianhua Yang, 2018. "An Emergy and Decomposition Assessment of China’s Crop Production: Sustainability and Driving Forces," Sustainability, MDPI, vol. 10(11), pages 1-18, October.
    2. Shi, Yifan & Lou, Yunsheng & Zhang, Yiwei & Xu, Zufei, 2021. "Quantitative contributions of climate change, new cultivars adoption, and management practices to yield and global warming potential in rice-winter wheat rotation ecosystems," Agricultural Systems, Elsevier, vol. 190(C).
    3. Lihua Ma & Jiupai Ni & Luuk Fleskens & Han Wang & Yunqing Xuan, 2021. "Modelling Fertilizer Use in Relation to Farmers’ Household Characteristics in Three Gorges Reservoir Area, China," Agriculture, MDPI, vol. 11(6), pages 1-17, May.
    4. Lombardi, G.V. & Parrini, Silvia & Atzori, R. & Stefani, G. & Romano, D. & Gastaldi, M. & Liu, G., 2021. "Sustainable agriculture, food security and diet diversity. The case study of Tuscany, Italy," Ecological Modelling, Elsevier, vol. 458(C).
    5. Zewei Jiang & Shihong Yang & Jie Ding & Xiao Sun & Xi Chen & Xiaoyin Liu & Junzeng Xu, 2021. "Modeling Climate Change Effects on Rice Yield and Soil Carbon under Variable Water and Nutrient Management," Sustainability, MDPI, vol. 13(2), pages 1-26, January.
    6. Shengtian Jin & Zihan Mei & Kaifeng Duan, 2022. "Coupling Coordination of China’s Agricultural Environment and Economy under the New Economic Background," Agriculture, MDPI, vol. 12(8), pages 1-21, August.

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