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Carbon assimilation and sequestration by industrial crop Jerusalem artichoke in coastal saline land

Authors
  • Chen, Manxia1
  • Xu, Zhikun1
  • Zhao, Jianjing1
  • Chen, Yongwen1
  • Chen, Sujuan1
  • Gao, Xiumei1
  • Long, Xiaohua1
  • Shao, Hongbo2, 3, 4
  • 1 Nanjing Agricultural University, College of Resources and Environmental Sciences, Nanjing, 210095, China , Nanjing (China)
  • 2 Institute of Agricultural Resources and Environment, Jiangsu Academy of Agriculture Sciences (JAAS), Salt-soil Agricultural Center, Key Laboratory of Agricultural Environment in the Lower Reaches of Yangtze River Plain, Nanjing, 210014, China , Nanjing (China)
  • 3 Yancheng Teachers University, Jiangsu Key Laboratory for Bioresources of Saline Soils, Jiangsu Synthetic Innovation Center for Coastal Bio-agriculture, Yancheng, 224002, China , Yancheng (China)
  • 4 Qingdao University of Science and Technology, College of Environment and Safety Engineering, Qingdao, 266000, China , Qingdao (China)
Type
Published Article
Journal
Acta Physiologiae Plantarum
Publisher
Springer-Verlag
Publication Date
Oct 14, 2019
Volume
41
Issue
11
Identifiers
DOI: 10.1007/s11738-019-2967-x
Source
Springer Nature
Keywords
License
Yellow

Abstract

Understanding the role of Jerusalem artichoke grown in low fertility coastal saline soil in carbon sequestration is important for characterizing the relationship between soil use in agriculture production and carbon sequestration. In the present study, the mechanisms of photosynthesis and carbon distribution were studied in three saline soils with different salt contents (Xinyang 0.6–1.0 g salt/kg; Dafeng 1.5–2.4 g salt/kg; Shuntai 3.8–4.5 g salt/kg) by characterizing the biomass production, carbon storage, and carbon sequestration in the soil under Jerusalem artichoke. The biomass production and carbon storage during the growth cycle of Jerusalem artichoke were significantly higher in Dafeng than the other plots. The highest carbon sequestration was found in the Xinyang plot. The organic matter content in the rhizosphere soil was 28–44% higher than that in the non-rhizosphere soil. The soil organic carbon content in the rhizosphere soil was higher than that in the non-rhizosphere soil. High soil salinities decreased the carbon storage of Jerusalem artichoke. Carbon sequestration in soil decreased with the increase in soil salinity.

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