Biochar addition reduces salinity in salt-affected soils with no impact on soil pH: A meta-analysis

• Published in: Geoderma Vol. 443; p. 116845
• Main Authors: Wang, Xiao, Ding, Jianli, Han, Lijing, Tan, Jiao, Ge, Xiangyu, Nan, Qiong
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 01.03.2024; Elsevier
• Subjects: Amendment; Biochar; cation exchange capacity; feedstocks; Meta-analysis; salinity; Salinity level; salt tolerance; Salt-affected soils; soil degradation; soil electrical conductivity; soil pH; Amendment; Salinity level; Salt-affected soils; Biochar; Meta-analysis

•Biochar can alleviate soil salinity stress.•Biochar amendment does not modify the soil pH in salt-affected soils.•Biochar increases cation exchange capacity by 17.0% in salt-affected soils.•The impact of biochar addition on ECe depends on biochar feedstock and soil initial salinization level. Salin...