Biochar as a sustainable tool for improving the health of salt-affected soils
Salt-affected soil has become one of the major threats to soil health. However, the evaluation of biochar amendment effects and the underlying mechanisms on the physical, chemical, and biological indicators used for assessing the health of salt-affected soils is lacking. This review summarized bioch...
| Main Authors: | , , , , , , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2023-09-01
|
| Series: | Soil & Environmental Health |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S294991942300033X |
| _version_ | 1797347002626867200 |
|---|---|
| author | Yanfei Yuan Qiang Liu Hao Zheng Min Li Yifan Liu Xiao Wang Yue Peng Xianxiang Luo Fengmin Li Xiaoyun Li Baoshan Xing |
| author_facet | Yanfei Yuan Qiang Liu Hao Zheng Min Li Yifan Liu Xiao Wang Yue Peng Xianxiang Luo Fengmin Li Xiaoyun Li Baoshan Xing |
| author_sort | Yanfei Yuan |
| collection | DOAJ |
| description | Salt-affected soil has become one of the major threats to soil health. However, the evaluation of biochar amendment effects and the underlying mechanisms on the physical, chemical, and biological indicators used for assessing the health of salt-affected soils is lacking. This review summarized biochar performance and mechanisms in improving the health of salt-affected soils. Biochar addition significantly improved soil physico-chemical properties by enhancing aggregate stability (15.0–34.9%), porosity (8.9%), and water retention capacity (7.8–18.2%), increasing cation exchange capacity (21.1%), soil organic carbon (63.1%), and nutrient availability (31.3–39.9%), as well as decreasing bulk density (6.0%) and alleviating salt stress (4.1–40.0%). Following biochar incorporation, soil biological health can also be improved, particularly enhancing microbial biomass (7.1–25.8%), facilitating enzyme activity (20.2–68.9%), and ultimately increasing plant growth. To properly assess the health of salt-affected soils, it is important to select indicators related to ecological service functions including plant production, water quality, climate change, and human health. This will improve the evaluation of soil multifunctionality and enhance current soil health assessment methods. Finally, limitations and future needs of biochar research and biochar-based technologies for soil health assessment in salt-affected soils are discussed. Based on a global meta-analysis to illustrate biochar effects on salt-affected soil health indicators, this review offers valuable insights for developing sustainable biochar-based tools for remediating salt-affected soil. |
| first_indexed | 2024-03-08T11:40:12Z |
| format | Article |
| id | doaj.art-4277c312a92840fba67e3759f8f7cfb4 |
| institution | Directory Open Access Journal |
| issn | 2949-9194 |
| language | English |
| last_indexed | 2024-03-08T11:40:12Z |
| publishDate | 2023-09-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Soil & Environmental Health |
| spelling | doaj.art-4277c312a92840fba67e3759f8f7cfb42024-01-25T05:25:07ZengElsevierSoil & Environmental Health2949-91942023-09-0113100033Biochar as a sustainable tool for improving the health of salt-affected soilsYanfei Yuan0Qiang Liu1Hao Zheng2Min Li3Yifan Liu4Xiao Wang5Yue Peng6Xianxiang Luo7Fengmin Li8Xiaoyun Li9Baoshan Xing10Institute of Coastal Environmental Pollution Control, College of Environmental Science and Engineering, Sanya Oceanographic Institution, Ministry of Education Key Laboratory of Marine Environment and Ecology, Ocean University of China, Qingdao 266100, ChinaInstitute of Coastal Environmental Pollution Control, College of Environmental Science and Engineering, Sanya Oceanographic Institution, Ministry of Education Key Laboratory of Marine Environment and Ecology, Ocean University of China, Qingdao 266100, ChinaInstitute of Coastal Environmental Pollution Control, College of Environmental Science and Engineering, Sanya Oceanographic Institution, Ministry of Education Key Laboratory of Marine Environment and Ecology, Ocean University of China, Qingdao 266100, China; Marine Ecology and Environmental Science Laboratory, Pilot National Laboratory for Marine Science and Technology, Qingdao, 266071, China; Corresponding authors.Institute of Coastal Environmental Pollution Control, College of Environmental Science and Engineering, Sanya Oceanographic Institution, Ministry of Education Key Laboratory of Marine Environment and Ecology, Ocean University of China, Qingdao 266100, ChinaInstitute of Coastal Environmental Pollution Control, College of Environmental Science and Engineering, Sanya Oceanographic Institution, Ministry of Education Key Laboratory of Marine Environment and Ecology, Ocean University of China, Qingdao 266100, ChinaMarine Agriculture Research Center, Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, 266101, ChinaInstitute of Coastal Environmental Pollution Control, College of Environmental Science and Engineering, Sanya Oceanographic Institution, Ministry of Education Key Laboratory of Marine Environment and Ecology, Ocean University of China, Qingdao 266100, ChinaInstitute of Coastal Environmental Pollution Control, College of Environmental Science and Engineering, Sanya Oceanographic Institution, Ministry of Education Key Laboratory of Marine Environment and Ecology, Ocean University of China, Qingdao 266100, China; Marine Ecology and Environmental Science Laboratory, Pilot National Laboratory for Marine Science and Technology, Qingdao, 266071, ChinaInstitute of Coastal Environmental Pollution Control, College of Environmental Science and Engineering, Sanya Oceanographic Institution, Ministry of Education Key Laboratory of Marine Environment and Ecology, Ocean University of China, Qingdao 266100, China; Marine Ecology and Environmental Science Laboratory, Pilot National Laboratory for Marine Science and Technology, Qingdao, 266071, ChinaDepartment of Environmental Science, School of Geography and Tourism, Shaanxi Normal University, Xi’an, 710119, China; Stockbridge School of Agriculture, University of Massachusetts, Amherst, MA, 01003, United StatesStockbridge School of Agriculture, University of Massachusetts, Amherst, MA, 01003, United States; Corresponding authors.Salt-affected soil has become one of the major threats to soil health. However, the evaluation of biochar amendment effects and the underlying mechanisms on the physical, chemical, and biological indicators used for assessing the health of salt-affected soils is lacking. This review summarized biochar performance and mechanisms in improving the health of salt-affected soils. Biochar addition significantly improved soil physico-chemical properties by enhancing aggregate stability (15.0–34.9%), porosity (8.9%), and water retention capacity (7.8–18.2%), increasing cation exchange capacity (21.1%), soil organic carbon (63.1%), and nutrient availability (31.3–39.9%), as well as decreasing bulk density (6.0%) and alleviating salt stress (4.1–40.0%). Following biochar incorporation, soil biological health can also be improved, particularly enhancing microbial biomass (7.1–25.8%), facilitating enzyme activity (20.2–68.9%), and ultimately increasing plant growth. To properly assess the health of salt-affected soils, it is important to select indicators related to ecological service functions including plant production, water quality, climate change, and human health. This will improve the evaluation of soil multifunctionality and enhance current soil health assessment methods. Finally, limitations and future needs of biochar research and biochar-based technologies for soil health assessment in salt-affected soils are discussed. Based on a global meta-analysis to illustrate biochar effects on salt-affected soil health indicators, this review offers valuable insights for developing sustainable biochar-based tools for remediating salt-affected soil.http://www.sciencedirect.com/science/article/pii/S294991942300033XSoil degradationBiological healthCarbon sequestrationSoil health assessmentEcological functionsOne health |
| spellingShingle | Yanfei Yuan Qiang Liu Hao Zheng Min Li Yifan Liu Xiao Wang Yue Peng Xianxiang Luo Fengmin Li Xiaoyun Li Baoshan Xing Biochar as a sustainable tool for improving the health of salt-affected soils Soil & Environmental Health Soil degradation Biological health Carbon sequestration Soil health assessment Ecological functions One health |
| title | Biochar as a sustainable tool for improving the health of salt-affected soils |
| title_full | Biochar as a sustainable tool for improving the health of salt-affected soils |
| title_fullStr | Biochar as a sustainable tool for improving the health of salt-affected soils |
| title_full_unstemmed | Biochar as a sustainable tool for improving the health of salt-affected soils |
| title_short | Biochar as a sustainable tool for improving the health of salt-affected soils |
| title_sort | biochar as a sustainable tool for improving the health of salt affected soils |
| topic | Soil degradation Biological health Carbon sequestration Soil health assessment Ecological functions One health |
| url | http://www.sciencedirect.com/science/article/pii/S294991942300033X |
| work_keys_str_mv | AT yanfeiyuan biocharasasustainabletoolforimprovingthehealthofsaltaffectedsoils AT qiangliu biocharasasustainabletoolforimprovingthehealthofsaltaffectedsoils AT haozheng biocharasasustainabletoolforimprovingthehealthofsaltaffectedsoils AT minli biocharasasustainabletoolforimprovingthehealthofsaltaffectedsoils AT yifanliu biocharasasustainabletoolforimprovingthehealthofsaltaffectedsoils AT xiaowang biocharasasustainabletoolforimprovingthehealthofsaltaffectedsoils AT yuepeng biocharasasustainabletoolforimprovingthehealthofsaltaffectedsoils AT xianxiangluo biocharasasustainabletoolforimprovingthehealthofsaltaffectedsoils AT fengminli biocharasasustainabletoolforimprovingthehealthofsaltaffectedsoils AT xiaoyunli biocharasasustainabletoolforimprovingthehealthofsaltaffectedsoils AT baoshanxing biocharasasustainabletoolforimprovingthehealthofsaltaffectedsoils |