生物炭改良模式下农田土壤总有机碳的Meta分析

doi:10.11924/j.issn.1000-6850.casb2024-0644

中国农学通报 ›› 2025, Vol. 41 ›› Issue (9): 125-131.doi: 10.11924/j.issn.1000-6850.casb2024-0644

• 资源·环境·生态·土壤 • 上一篇下一篇

生物炭改良模式下农田土壤总有机碳的Meta分析

宋凯¹^,²(), 高宇¹^,²^,³(), 左雨田⁴, 刘杨¹^,²

¹ 黑龙江大学水利电力学院，哈尔滨 150080
² 黑龙江大学寒区地下水研究所，哈尔滨 150080
³ 黑龙江省寒区水文与水利工程联合实验室（国际合作），哈尔滨 150080
⁴ 武汉大学水资源工程与调度全国重点实验室，武汉 430072

收稿日期:2024-10-13 修回日期:2025-02-19 出版日期:2025-03-25 发布日期:2025-03-25
通讯作者:
高宇，女，1992年出生，黑龙江哈尔滨人，讲师，博士，研究方向：寒区农业水土资源高效利用和生物炭改良技术。通信地址：150006 黑龙江省哈尔滨市南岗区哈西街道学府路74号，Tel：0451-86604011，E-mail：2021071@hlju.edu.cn。
作者简介:
宋凯，男，1998年出生，内蒙古赤峰人，硕士研究生，研究方向：寒区农田土壤改良。通信地址：150006 黑龙江省哈尔滨市南岗区哈西街道学府路74号，Tel：0451-86604011，E-mail：1290371261@qq.com。
基金资助:
黑龙江省教育厅黑龙江省省属高等学校基本科研业务费科研项目(2021-KYYWF-0049); 黑龙江省教育厅黑龙江省省属高等学校基本科研业务费科研项目(2024-KYYWF-0089)

Meta-analysis of Total Organic Carbon in Agricultural Soils Under Biochar Amendment Model

SONG Kai¹^,²(), GAO Yu¹^,²^,³(), ZUO Yutian⁴, LIU Yang¹^,²

¹ College of Water Resources and Electricity, Heilongjiang University, Harbin 150080
² Institute of Groundwater Research in Cold Regions, Heilongjiang University, Harbin 150080
³ Joint Laboratory of Hydrology and Hydraulic Engineering in Cold Regions of Heilongjiang Province (International Cooperation), Heilongjiang University, Harbin 150080
⁴ National Key Laboratory of Water Resources Engineering and Dispatch, Wuhan University, Wuhan 430072

Received:2024-10-13 Revised:2025-02-19 Published:2025-03-25 Online:2025-03-25

摘要/Abstract

摘要：

生物炭是一种富含碳的材料，由于其独特的物理性质，适用于对土壤质地进行改良。生物炭性质、土壤条件、试验条件等诸多因素均会对生物炭改良土壤产生影响。为了探究施用生物炭对土壤有机碳含量的影响，本研究综合了2013年至2024年的文献并从中筛选了84篇文献中的207组数据，对此进行了Meta分析。结果表明：当生物炭pH<9、土壤类型为砂土、初始有机碳含量为低时，施用生物炭后对土壤总有机碳(TOC)含量的增幅较高，且土壤为砂土时对土壤TOC的增幅达到最大，为53.43%。随着生物炭施用量的增加，土壤TOC含量的增幅也随之变大。本研究通过生物炭性质、土壤条件、试验条件等因素，来阐述生物炭对土壤有机碳的影响，以此来展示生物炭在土壤改良方面的巨大的潜力。

关键词: 生物炭, 土壤总有机碳, 土壤有机碳组分, Meta分析, 土壤改良

Abstract:

Biochar, a carbon-rich material renowned for its distinctive physical properties, holds significant promise for improving soil texture. However, the performance of biochar-amended soils is contingent upon a variety of factors, including the inherent characteristics of the biochar, the prevailing soil conditions, and the specifics of the experimental framework employed. In this study, we undertook a comprehensive Meta-analysis to assess the impact of biochar application on soil organic carbon (SOC) content. By synthesizing literature published between 2013 and 2024, we meticulously screened 207 datasets derived from 84 studies. The results indicated that the enhancement of total organic carbon (TOC) content in soils after biochar application was more pronounced under specific conditions: when the biochar pH < 9, the soil type was sandy, and the initial organic carbon content was low. Notably, the maximum increase in soil TOC, an impressive 53.43%, was observed in sandy soils. Furthermore, with the increase of biochar application, a corresponding rise in soil TOC content was also documented. This study elucidated the influence of biochar on soil organic carbon, integrating factors such as biochar characteristics, soil conditions, and experimental parameters. Through this comprehensive analysis, we aimed to underscore the significant potential of biochar as a transformative agent for soil enhancement.

Key words: biochar, total organic carbon, soil organic carbon fraction, Meta-analysis, soil improvement

宋凯, 高宇, 左雨田, 刘杨. 生物炭改良模式下农田土壤总有机碳的Meta分析[J]. 中国农学通报, 2025, 41(9): 125-131.

SONG Kai, GAO Yu, ZUO Yutian, LIU Yang. Meta-analysis of Total Organic Carbon in Agricultural Soils Under Biochar Amendment Model[J]. Chinese Agricultural Science Bulletin, 2025, 41(9): 125-131.

图/表 5

图1. 在研究中包括的实验地理分布

生物炭性质		土壤性质				生物炭施用条件
pH	制备来源	pH	土壤质地	土壤初始有机碳/ (g/kg)	土壤初始全氮含量/ (g/kg)	生物炭施用量/ (t/hm²)	生物炭施用时间
<9	谷类秸秆	<7	黏土	低(<10)	低(<1)	低(0~10)	<1 a
9~10	谷物残渣	7~8	壤土	中(10~20)	中(1~2)	中(10~20)	1~2 a
>10	木材	>8	砂土	高(>20)	高(>2)	高(20~30)	>2 a
						极高(≥30)

表1. 数据分类

图2. 生物炭施用下生物炭性质对土壤有机碳含量的影响（a）生物炭pH对土壤有机碳含量的影响；（b）生物炭种类对土壤有机碳含量的影响

图3. 生物炭施用下土壤性质对土壤有机碳含量的影响（a）土壤pH对土壤有机碳含量的影响；（b）土壤初始有机碳含量对土壤有机碳含量的影响；（c）土壤初始全氮含量对土壤有机碳含的影响；（d）土壤种类对土壤有机碳含量的影响

图4. 生物炭施用下施用条件对土壤有机碳含量的影响（a）生物炭施用量对土壤有机碳含量的影响；（b）土壤施用年限对土壤有机碳含量的影响

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生物炭改良模式下农田土壤总有机碳的Meta分析

Meta-analysis of Total Organic Carbon in Agricultural Soils Under Biochar Amendment Model

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