整合分析添加有机物料对我国农田土壤微生物残体的影响

doi:10.13304/j.nykjdb.2023.0424

中国农业科技导报 ›› 2025, Vol. 27 ›› Issue (2): 180-191.DOI: 10.13304/j.nykjdb.2023.0424

• 生物制造资源生态 • 上一篇

整合分析添加有机物料对我国农田土壤微生物残体的影响

王跃锋¹(), 张晨阳¹, 罗正明¹(), 李建华¹, 李然², 孙楠²(), 徐明岗¹^,²

^1.山西农业大学资源环境学院，土壤健康山西省实验室，太原 030031
^2.中国农业科学院农业资源与农业区划研究所，北方干旱半干旱耕地高效利用全国重点实验室，农业农村部耕地质量监测与评价重点实验室，北京 100081

收稿日期:2023-06-01 接受日期:2023-10-21 出版日期:2025-02-15 发布日期:2025-02-14
通讯作者: 罗正明,孙楠
作者简介:王跃锋 E-mail：823880562@qq.com
基金资助:
山西省重点研发计划项目(202102140601010);山西省科技合作交流项目202104041101002

Effect of Adding Organic Materials on Microbial Residues in Farmland in China： A Meta-analysis

Yuefeng WANG¹(), Chenyang ZHANG¹, Zhengming LUO¹(), Jianhua LI¹, Ran LI², Nan SUN²(), Minggang XU¹^,²

^1.Soil Health Loboratory of Shanxi Province，College of Resources and Environment，Shanxi Agricultural University，Taiyuan 030031，China
^2.State Key Laboratory of Efficient Utilization of Arable Land in Northern China，Key Laboratory of Arable Land Quality Monitoring and Evaluation of Ministry of Agriculture and Rural Affairs，Institute of Agricultural Resources and Regional Planning，Chinese Academy of Agricultural Sciences，Beijing 100081，China

Received:2023-06-01 Accepted:2023-10-21 Online:2025-02-15 Published:2025-02-14
Contact: Zhengming LUO,Nan SUN

摘要/Abstract

摘要：

微生物残体作为有机碳形成的重要前体，对农田土壤中碳的长期固存和稳定至关重要。为探讨有机物料添加对我国农田土壤微生物残体积累的影响，对来自27篇已发表文献的共111组氨基糖（微生物残体表征物质）含量数据进行整合分析，总结添加有机物料对农田土壤氨基糖［氨基葡萄糖（glucosamine，GluN）、氨基半乳糖（galactosamine，GalN）、胞壁酸（muraic acid，MurN）及氨基糖总量］的积累特征，并利用氨基葡萄糖与胞壁酸的比值（GluN/MurN）和氨基葡萄糖与氨基半乳糖（GluN/GalN）的比值探讨真菌和细菌残体对土壤有机质相对贡献的影响。结果表明，添加有机物料显著增加土壤微生物残体的积累，其中土壤氨基糖增幅27.7%，GluN、GalN和MurN 的增幅分别为26.8%、24.1%、24.2%。粪肥对氨基糖和3种单糖的积累显著高于秸秆，增幅为28.4%~37.6%；当有机物料的年均碳投入量高于2 t·hm^-2·a^-1时，GluN、GalN、GluN/MurN和GluN/GalN显著高于年均碳投入量低于2 t·hm^-2·a^-1，提高幅度分别为41.8%、41.1%、8.3%和4.1%；当添加有机物料的年限超过10 a时，氨基糖、GluN和MurN的增幅（41.1%、39.9%和36.3%）显著高于试验年限低于10 a。在气候因素中，添加有机物料对氨基糖含量的积累在年均温超过10 ℃（42.0%）和年降水大于800 mm（63.0%）时显著高于年均温小于5 ℃（17.9%）和年降水小于800 mm（28.2%和13.7%）。在土壤因素中，中性（pH 6~8）土壤和肥沃（土壤有机碳含量>12 g·kg^-1）土壤的土壤氨基糖总量的积累最高，增幅分别为39.4%和43.0%。回归分析表明，在一定范围内农田土壤微生物残体会随着年降水、年均温、有机物料施用量、有机物料碳投入量和试验年限的增加而增加。综上，添加有机物料，特别是高碳投入量显著增加了农田土壤总氨基糖和氨基单糖的含量。有机物料施用下，温暖湿润地区肥沃中性的土壤有利于促进土壤微生物残体的积累。研究结果为确定添加有机物料对我国农田土壤微生物残体积累的最佳情景、促进稳定土壤有机碳的形成和封存提供了科学依据。

关键词: 有机物料, 氨基糖, 微生物残体, 土壤有机碳, 整合分析

Abstract:

Microbial residues， as an important precursor for the formation of organic carbon， are crucial for the long-term sequestration and stabilization of carbon in farmland. In order to explore the effect of organic materials addition on microbial residues accumulation in Chinese farmland， a Meta-analysis of 111 sets of data on the content of amino sugars （microbial residue characterizing substances） from 27 published literatures were conducted and the effects of organic materials addition on the accumulation characteristics of amino sugars ［glucosamine （GluN）， galactosamine （GalN）， muraic acid （MurN） and total amino sugars］ in farmland were summarized， and the relative contribution of fungal and bacterial residues to soil organic matter were explored using the ratio of GluN to MurN （GluN/MurN） and GluN to GalN （GluN/GalN）. The results showed that the addition of organic materials significantly increased the accumulation of soil microbial residues， with soil amino sugars increasing by 27.7%， and GluN， GalN， MurN increasing by 26.8%， 24.1% and 24.2%， respectively. The accumulation of amino sugars and GluN， GalN， MurN by manure was significantly higher than that straw， with an increase from 28.4% to 37.6%. GluN， GalN， GluN/MurN and GluN/GalN were significantly higher when the average annual carbon input of the organic material was higher than 2 t·hm^-2·a^-1 than when the average annual carbon input was lower than 2 t·hm^-2·a^-1， with an increase of 41.8%， 41.1%， 8.3% and 4.1%， respectively； the increases in amino sugar， GluN and MurN （41.1%， 39.9% and 36.3%） were significantly higher when organic matter was added for more than 10 years than the experimental year below 10 years. Among the climatic factors， the accumulation of amino sugar content by added organic matter was significantly higher when the annual mean temperature was more than 10 ℃ （42.0%） and mean annual precipitation was more than 800 mm （63.0%） were significantly higher than those with annual mean temperature less than 5 ℃ （17.9%） and mean annual precipitation less than 800 mm （28.2% and 13.7%）. Among the soil factors， the highest accumulation of total soil amino sugars was observed in neutral soils （pH 6~8） and fertile soils （soil organic carbon content >12 g·kg^-1）， with an increase of 39.4% and 43.0%， respectively. Regression analysis showed that， within a certain range， soil microbial residues in farmland increased with the increase of mean annual precipitation， mean annual temperature， organic material application rate， organic material carbon input， and experimental years. In conclusion， the addition of organic materials， especially high carbon inputs， significantly increased the total amino sugars and amino monosaccharides contents of farmland. Fertile and neutral soils in warm and humid areas were favorable for the accumulation of soil microbial residues under organic materials application. Above results provided scientific basis for determining the optimal scenarios of adding organic materials for the accumulation of microbial residues in farmland in China， and for promoting the formation and sequestration of stabilized soil organic carbon.

Key words: organic materials, amino sugars, microbial residues, soil organic carbon, Meta-analysis

中图分类号:

S154

王跃锋, 张晨阳, 罗正明, 李建华, 李然, 孙楠, 徐明岗. 整合分析添加有机物料对我国农田土壤微生物残体的影响[J]. 中国农业科技导报, 2025, 27(2): 180-191.

Yuefeng WANG, Chenyang ZHANG, Zhengming LUO, Jianhua LI, Ran LI, Nan SUN, Minggang XU. Effect of Adding Organic Materials on Microbial Residues in Farmland in China： A Meta-analysis[J]. Journal of Agricultural Science and Technology, 2025, 27(2): 180-191.

图/表 6

图1 有机物料添加后各氨基糖响应比分布注：M—均值；SD—标准差。

Fig. 1 Distribution of response ratios of various amino sugars after adding organic materialsNote：M—Mean；SD—Standard deviation.

图2 添加有机物料后氨基糖的增幅注：括号内的前数值为增幅，后数值为样本量。

Fig. 2 Increase of amino sugar content after adding organic materialsNote：The first value in parentheses is the increase and the second value is the sample size.

图3 不同有机物料下氨基糖的增幅A：有机物料类型；B：有机物料年均碳投入量；C：有机物料施用年限。柱状图中间的数值为增幅值，括号内的数值为样本量，不同小写字母表示不同处理间在P<0.05水平差异显著

Fig. 3 Increase of amino sugars under different organic material propertiesA：Organic materials type； B： Annual carbon input of organic materials； C： Years of application of organic materials. The middle value of the bar chart represents the increase value， the values in parentheses represent the sample size， and the different lowercase letters indicate significant differences between different treatments at P<0.05 level

图4 不同气候因素下添加有机物料对氨基糖的增幅A：年均温；B：年降水量。柱状图中间的数值为增幅值，括号内的数值为样本量，不同小写字母表示不同处理间在P<0.05水平差异显著

Fig. 4 Increase in amino sugars by addition of organic materials at different climatic factorsA：Average temperature in different years； B： Precipitation in different years. The middle value of the bar chart represents the increase value， the values in parentheses represent the sample size， and the different lowercase letters indicate significant differences between different treatments at P<0.05 level

图5 不同土壤因素下施用有机物料对土壤氨基糖的增幅A：土壤有机碳含量；B：土壤pH。柱状图中间的数值为增幅值，括号内的数值为样本量，不同小写字母表示不同处理间在P<0.05水平差异显著

Fig. 5 Increase in soil amino sugar content by applying organic materials under different soil soil factorsA： Soil organic carbon content； B： Soil pH. The middle value of the bar chart represents the increase value， the values in parentheses represent the sample size， and the different lowercase letters indicate significant differences between different treatments at P<0.05 level

图6 总氨基糖的响应比与年均温、年均降水量、有机物料施用年限和碳投入量、初始土壤性质等的线性关系

Fig. 6 Linear relationships between the response ratio of total amino sugars and annual average temperature， annual precipitation， years of organic material application， carbon input， and initial soil properties

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整合分析添加有机物料对我国农田土壤微生物残体的影响

Effect of Adding Organic Materials on Microbial Residues in Farmland in China： A Meta-analysis

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