Progress on effects and mechanism of biochar on amelioration of acidified soils

HU Ren; LONG Qiaoling; WANG Limin; HU Hongqing; TAN Wenfeng; WU Yupeng; LIN Shan

doi:10.13300/j.cnki.hnlkxb.2025.04.002

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Progress on effects and mechanism of biochar on amelioration of acidified soils

Amelioration and fertility improvement for middle and low productivity arable land | 更新时间：2026-11-05

- Progress on effects and mechanism of biochar on amelioration of acidified soils
- Journal of Huazhong Agricultural University Vol. 44, Issue 4, Pages: 11-21(2025)
- 作者机构：
  
  华中农业大学资源与环境学院，武汉 430070
- 作者简介：
- 基金信息：
- DOI：10.13300/j.cnki.hnlkxb.2025.04.002
  CLC： S156
- Received：19 December 2024，
  
  Published：05 July 2025
- 稿件说明：
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胡仁，龙巧玲，王力敏，等.生物炭对酸性土壤改良效果及机制的研究进展［J］.华中农业大学学报，2025，44（4）：11‐21.

HU Ren,LONG Qiaoling,WANG Limin,et al.Progress on effects and mechanism of biochar on amelioration of acidified soils[J].Journal of Huazhong Agricultural University,2025,44(04):11-21.
胡仁，龙巧玲，王力敏，等.生物炭对酸性土壤改良效果及机制的研究进展［J］.华中农业大学学报，2025，44（4）：11‐21. DOI： 10.13300/j.cnki.hnlkxb.2025.04.002.

HU Ren,LONG Qiaoling,WANG Limin,et al.Progress on effects and mechanism of biochar on amelioration of acidified soils[J].Journal of Huazhong Agricultural University,2025,44(04):11-21. DOI： 10.13300/j.cnki.hnlkxb.2025.04.002.

摘要

我国土壤酸化问题普遍，对农业生产和环境安全造成严重影响。作为一种酸性土壤改良材料，近年来生物炭受到了广泛关注，但生物炭对酸性土壤改良的效果及机制研究较少。本文从降低酸度、改良土壤理化性质及生物学特征、促进作物生长3个方面，综述了生物炭对酸性土壤改良效果的研究现状，明确了生物炭降低土壤酸度的机制包括生物炭的碱性物质与H

结合、含氧官能团与土壤交换性A1

发生酯化、吸附及络合等。施用生物炭能够改变土壤环境、促进土壤微生物活动，进而调控微生物生长；施用生物炭可以改善作物根系生长环境、提高根际微生物群落丰度，从而调控根系发育。最后对生物炭改良酸性土壤的研究进行了展望，旨在为缓解土壤酸化、促进酸性土壤可持续生产提供理论依据。

Abstract

The problem of acidification in soil is widespread in China，causing serious impacts on the agricultural production and environmental safety.Bioc

har，as an excellent material for ameliorating acidic soils，has received extensive attention in recent years.However，there is relatively few studies on the effects and mechanism of biochar on ameliorating acidic soils.This article reviewed the research status of biochar in ameliorating acidic soil from three aspects including reducing acidity，improving the physical and chemical properties and biological characteristics of soil，and promoting the growth of crops.The mechanism of biochar reducing the acidity in soil including the binding of alkaline substances in biochar with H

，the esterification，adsorption and complexation of oxygen-containing function groups with exchangeable A1

in soil was clarified.The activities of microorganisms in soil were promoted by changing the environment in soil to regulate the growth of microorganisms in soil.The environment for the growth of crop roots was improved to increase the abundance of microbial communities of rhizosphere and regulate the development of root.The studies on the effects and mechanism of biochar on the amelioration of acidified soils were prospected to provide theoretical basis for alleviating the acidification in soils and promoting sustainable utilization of acidic soils.

关键词

Keywords

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