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Effects of Biochar Application on CO 2 Emissions from a Cultivated Soil under Semiarid Climate Conditions in Northwest China

Author

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  • Yufang Shen

    (State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Northwest A&F University, Yangling 712100, China)

  • Lixia Zhu

    (State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Northwest A&F University, Yangling 712100, China
    College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, China)

  • Hongyan Cheng

    (State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Northwest A&F University, Yangling 712100, China
    College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, China)

  • Shanchao Yue

    (State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Northwest A&F University, Yangling 712100, China)

  • Shiqing Li

    (State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Northwest A&F University, Yangling 712100, China)

Abstract

Biochar amendments to soil have potential as a climate change mitigation strategy. However, their effect on carbon exchange in different ecosystems has not been well evaluated. Understanding how biochar affects carbon exchange from agricultural soil is essential for clarifying the contribution of biochar management to the carbon budget. We performed a laboratory and a two-year field experiment to investigate the short- and medium-term effects of biochar application on CO 2 emissions from semiarid farmland. There was no statistically significant alteration in the cumulative CO 2 emissions from the mixture of soil with biochar alone, while the emissions increased significantly with additional nitrogen amendment over the 46-day experimental period. Over the two-year experimental period, the cumulative CO 2 emissions from the field experiment decreased in the biochar-amended treatment, and the effects were significant at high application rates (20 and 30 t·ha −1 ) relative to the control in the MS. The seasonal CO 2 dynamics were strongly dependent on soil temperature, with a higher correlation with the temperature at a depth of 10cm than with the temperature at a depth of 0cm. Soil temperature, rather than soil water content, was the major environmental factor controlling the soil carbon exchange in the semiarid farmland of the Loess Plateau. In general, biochar additions enhanced aboveground dry matter accumulation in both the early and late stages of maize growth. The results suggested that biochar amendment was a preferable management practice to help maintain or increase carbon sequestration for this region with lower CO 2 emissions and higher dry matter production over a longer period.

Suggested Citation

  • Yufang Shen & Lixia Zhu & Hongyan Cheng & Shanchao Yue & Shiqing Li, 2017. "Effects of Biochar Application on CO 2 Emissions from a Cultivated Soil under Semiarid Climate Conditions in Northwest China," Sustainability, MDPI, vol. 9(8), pages 1-13, August.
  • Handle: RePEc:gam:jsusta:v:9:y:2017:i:8:p:1482-:d:109093
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    Citations

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    Cited by:

    1. Rabia Noor Enam & Muhammad Tahir & Huma Hasan Rizvi & Asim Rafique & Syed Muhammad Nabeel Mustafa, 2022. "A Sustainable Way to Generate Energy through Biomass Flash Pyrolysis in South Asia: A Green Energy Technology," International Journal of Energy Economics and Policy, Econjournals, vol. 12(5), pages 274-279, September.
    2. Mehnaz Mosharrof & Md. Kamal Uddin & Muhammad Firdaus Sulaiman & Shamim Mia & Shordar M. Shamsuzzaman & Ahmad Numery Ashfaqul Haque, 2021. "Combined Application of Rice Husk Biochar and Lime Increases Phosphorus Availability and Maize Yield in an Acidic Soil," Agriculture, MDPI, vol. 11(8), pages 1-21, August.
    3. Ahmed Mosa & Mostafa M. Mansour & Enas Soliman & Ayman El-Ghamry & Mohamed El Alfy & Ahmed M. El Kenawy, 2023. "Biochar as a Soil Amendment for Restraining Greenhouse Gases Emission and Improving Soil Carbon Sink: Current Situation and Ways Forward," Sustainability, MDPI, vol. 15(2), pages 1-26, January.
    4. Jinbiao Li & Jin-Hyeob Kwak & Scott X. Chang & Xiaoqiang Gong & Zhengfeng An & Jinlin Chen, 2021. "Greenhouse Gas Emissions from Forest Soils Reduced by Straw Biochar and Nitrapyrin Applications," Land, MDPI, vol. 10(2), pages 1-11, February.
    5. Mehnaz Mosharrof & Md. Kamal Uddin & Shamim Mia & Muhammad Firdaus Sulaiman & Shordar M. Shamsuzzaman & Ahmad Numery Ashfaqul Haque, 2022. "Influence of Rice Husk Biochar and Lime in Reducing Phosphorus Application Rate in Acid Soil: A Field Trial with Maize," Sustainability, MDPI, vol. 14(12), pages 1-16, June.
    6. Mehnaz Mosharrof & Md. Kamal Uddin & Shamshuddin Jusop & Muhammad Firdaus Sulaiman & S. M. Shamsuzzaman & Ahmad Numery Ashfaqul Haque, 2021. "Changes in Acidic Soil Chemical Properties and Carbon Dioxide Emission Due to Biochar and Lime Treatments," Agriculture, MDPI, vol. 11(3), pages 1-20, March.
    7. Patrick Nyambo & Chiduza Cornelius & Tesfay Araya, 2020. "Carbon Dioxide Fluxes and Carbon Stocks under Conservation Agricultural Practices in South Africa," Agriculture, MDPI, vol. 10(9), pages 1-13, August.
    8. Dafeng Hui & Chih-Li Yu & Qi Deng & Priya Saini & Kenya Collins & Jason De Koff, 2018. "Weak Effects of Biochar and Nitrogen Fertilization on Switchgrass Photosynthesis, Biomass, and Soil Respiration," Agriculture, MDPI, vol. 8(9), pages 1-12, September.
    9. Xiangcheng Ma & Mengfan Lv & Fangyuan Huang & Peng Zhang & Tie Cai & Zhikuan Jia, 2022. "Effects of Biochar Application on Soil Hydrothermal Environment, Carbon Emissions, and Crop Yield in Wheat Fields under Ridge–Furrow Rainwater Harvesting Planting Mode," Agriculture, MDPI, vol. 12(10), pages 1-19, October.
    10. Ágota Horel & Eszter Tóth & Györgyi Gelybó & Márton Dencső & Imre Potyó, 2018. "Soil CO 2 and N 2 O Emission Drivers in a Vineyard ( Vitis vinifera ) under Different Soil Management Systems and Amendments," Sustainability, MDPI, vol. 10(6), pages 1-15, May.

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