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The effects of four soil amendments(biochar, bio-organic fertilizer, gypsum, and silicon calcium fertilizer) on the yield traits, yield, and rhizosphere soil bacterial community of peanut in saline-alkali land were studied under field condition, and the treatment without amendment was used as the control(CK). The results showed that, compared with CK, the application of bio-organic fertilizer significantly increased the soil organic matter and available phosphorus content in saline-alkali peanut field, while the application of gypsum and silicon calcium fertilizer increased the soil available potassium content. Both biochar and bio-organic fertilizer treatments significantly increased the pod number of double-kernels and full-kernels, total number of pods, and dry mass of pods per plant of peanut. The increase range of different amendments on peanut yield were by 5.48%, 3.30%, 0.55% and 2.85%, respectively. Pseudomonadota, Actinomycetota, Acidobacterota, Nitrososphaerota and Chloroflexota were the dominant bacterial phylum in the rhizosphere of peanut in saline-alkali soil, and different soil amendment treatments increased the abundance of Acidobacterota in the rhizosphere. Under different soil amendment treatments in saline-alkali soil, the abundance of dominant bacterial functional genes involved in bacterial quorum sensing, ABC transporter, and aminoacyl tRNA biosynthesis in the rhizosphere bacterial community were increased. It is speculated that these pathways may help improve the salt tolerance of peanut. Considering the comprehensive characteristics of peanut yield and rhizosphere bacterial community, biochar was identified as an appropriate soil amendment for peanut production in saline-alkali soil under the condition of this experiment. This study provides a theoretical basis for peanut production in saline-alkali soil.
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Basic Information:
DOI：10.14001/j.issn.1002-4093.2026.02.003
China Classification Code:S565.2
Citation Information:
[1]DING Hong,ZHANG Zhimeng,XU Yang ,et al.Effects of Different Soil Amendments on Bacterial Community in Rhizosphere Soil and Yield of Peanut in Saline-Alkali Land[J].Journal of Peanut Science,2026,55(02):171-180.DOI:10.14001/j.issn.1002-4093.2026.02.003.
Fund Information:
国家重点研发计划项目(2023YFD2001400)
2026-03-06
2026-03-06
2026-03-06