Insight into the soil aggregate-mediated restoration mechanism of degraded black soil via biochar addition: Emphasizing the driving role of core microbial communities and nutrient cycling

Zhang, Chi; Zhao, Xin; Liang, Aijie; Li, Yunying; Song, Qiuying; Li, Xianyue; Li, Dapeng; Hou, Ning

doi:10.1016/j.envres.2023.115895

Cited by 33 publications

(15 citation statements)

References 47 publications

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“…Recent research has shown that biochar is a cost-effective and environmentally friendly additive for stabilizing and remediating heavy metal-contaminated soils ( Yang L. et al, 2020 ; Yang Y. W. et al, 2020 ; Sun et al, 2022 ). A mixture of biochar and organic fertilizer can effectively address issues of soil heavy metal pollution, nutrient imbalance, and growth inhibition of Mentha crispa L. ( Jiang et al, 2022 ; Ghassemi and Farhangi, 2023 ), purslane ( Han et al, 2022 ), alfalfa ( Kareem et al, 2022 ), and rapeseed ( Zhang C. et al, 2023 ; Zhang N. H. et al, 2023 ; Zhang X. et al, 2023 ; Zhang Z. et al, 2023 ; Zhang K. et al, 2023 ). We also found that the mixed application of biochar and organic fertilizer reduced both TCd in Sophora fields and Cd content in Sophora ( Figures 1A , H ; Table 3 ).…”

Section: Discussionmentioning

confidence: 99%

“…Although the relative abundance of Bacteroidetes was significantly increased in the BO treatment, it was not significantly correlated with the indicators of soil physicochemical properties ( Figure 5C ). This may be related to the change in soil aggregate size caused by BO ( Fan et al, 2021 ; Zhang C. et al, 2023 ; Zhang N. H. et al, 2023 ; Zhang X. et al, 2023 ; Zhang Z. et al, 2023 ; Zheng K. et al, 2023 ). However, the increase in the relative abundance of Bacteroidetes was beneficial for the decrease in Cd content, longitudinal growth of the main root, and accumulation of dry root biomass and oxymatrine in Sophora ( Supplementary Figure S3 ).…”

Section: Discussionmentioning

confidence: 99%

“…Biochar can also increase soil enzyme and bacterial activities ( Muhammad et al, 2018 ; Effrey et al, 2019 ; Shen et al, 2019 ; Wan et al, 2023 ; Xiao et al, 2023 ). However, long-term single-use of biochar can also have drawbacks, such as reducing the effectiveness of plant nitrogen ( Bo et al, 2023 ; Wang et al, 2023 ; Zhang C. et al, 2023 ; Zhang N. H. et al, 2023 ; Zhang X. et al, 2023 ; Zhang Z. et al, 2023 ; Zheng K. et al, 2023 ; Li et al, 2024 ). In practice, biochar is commonly used with supplemental nutrients, such as organic fertilizer, to enhance soil quality, mitigate heavy metal stress, and increase crop productivity ( Muhammad et al, 2017 ; Saeed et al, 2021 ).…”

Section: Introductionmentioning

confidence: 99%

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Biochar and organic fertilizer drive the bacterial community to improve the productivity and quality of Sophora tonkinensis in cadmium-contaminated soil

Liu,

Li,

Lin

et al. 2024

Front. Microbiol.

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Excessive Cd accumulation in soil reduces the production of numerous plants, such as Sophora tonkinensis Gagnep., which is an important and widely cultivated medicinal plant whose roots and rhizomes are used in traditional Chinese medicine. Applying a mixture of biochar and organic fertilizers improved the overall health of the Cd-contaminated soil and increased the yield and quality of Sophora. However, the underlying mechanism between this mixed fertilization and the improvement of the yield and quality of Sophora remains uncovered. This study investigated the effect of biochar and organic fertilizer application (BO, biochar to organic fertilizer ratio of 1:2) on the growth of Sophora cultivated in Cd-contaminated soil. BO significantly reduced the total Cd content (TCd) in the Sophora rhizosphere soil and increased the soil water content, overall soil nutrient levels, and enzyme activities in the soil. Additionally, the α diversity of the soil bacterial community had been significantly improved after BO treatment. Soil pH, total Cd content, total carbon content, and dissolved organic carbon were the main reasons for the fluctuation of the bacterial dominant species. Further investigation demonstrated that the abundance of variable microorganisms, including Acidobacteria, Proteobacteria, Bacteroidetes, Firmicutes, Chloroflexi, Gemmatimonadetes, Patescibacteria, Armatimonadetes, Subgroups_ 6, Bacillus and Bacillus_ Acidiceler, was also significantly changed in Cd-contaminated soil. All these alterations could contribute to the reduction of the Cd content and, thus, the increase of the biomass and the content of the main secondary metabolites (matrine and oxymatrine) in Sophora. Our research demonstrated that the co-application of biochar and organic fertilizer has the potential to enhance soil health and increase the productivity and quality of plants by regulating the microorganisms in Cd-contaminated soil.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Biochar and organic fertilizer drive the bacterial community to improve the productivity and quality of Sophora tonkinensis in cadmium-contaminated soil

Liu,

Li,

Lin

et al. 2024

Front. Microbiol.

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“…Furthermore, biochar has been shown to play a vital role in optimizing the utilization of chemical fertilizers, increasing nutrient uptake by plants, and facilitating the sequestration of carbon in the soil (Osman et al 2022;Xu et al 2023). Additionally, it promotes the e cient recycling of nutrients within the soil microbial community (Zhang et al 2023). These attributes make biochar a valuable tool in sustainable agriculture, contributing to improved soil health and enhanced crop productivity (Malik et al 2022).…”

Section: Introductionmentioning

confidence: 99%

Biochar and Farm Yard Manure Synergy: Enhancing Soil Health and Mitigating Climate Change Impacts in Cotton Production

Hussain,

Saleem,

Ullah

et al. 2023

Preprint

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Soil health plays a pivotal role in ensuring sustainable agriculture, particularly in the face of climate change challenges. This field study investigated the potential synergistic effects of biochar and farm yard manure (FYM) applications on soil properties, nutrient availability, cotton growth, and yield in cotton. Our findings highlight the promising impact of biochar and FYM, each applied at a rate of 5 t ha-1, on various aspects of soil and crop performance. Results indicated the substantial reduction in soil temperature, especially in the biochar + FYM treatment (27.2°C) compared to control treatment (37°C). This reduction in soil temperature created a favorable microclimate for cotton plants, mitigated heat stress and fostered healthier growth. Likewise, biochar + FYM combination showed a minor decrease in soil pH (pH 7.7) compared to control treatment (pH 8.1). Furthermore, the application of biochar + FYM significantly increased soil organic carbon (0.89%) and organic matter content (0.97%) as compared to sole application of biochar or FYM. Additionally, macro and micronutrient availability, including nitrogen (N), phosphorus (P), potassium (K), copper (Cu), manganese (Mn), zinc (Zn), and iron (Fe), substantially increased after the application of these amendments, with the biochar + FYM treatment exhibiting the highest values. The positive impact of these amendments extended to cotton plant growth, with increased plant height (175 cm), a greater number of bolls per plant (43), and heavier open boll weight (3.18 g) observed in the biochar + FYM treatment. Moreover, improvements in ginning out turn (GOT), staple length, and fiber uniformity were notable outcomes of biochar and FYM applications, particularly in combination. Fiber fineness and strength remained consistent. In addition to their soil and crop benefits, the application of biochar and FYM led to reduced irrigation requirements and enhanced crop water use efficiency (WUE), promoting more sustainable water management practices in cotton cultivation. This research highlights the potential synergy between biochar and FYM as a promising approach to enhance soil health and mitigate the impacts of climate change in cotton production.

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“…Biochar addition can enhance soil multifunctionality [ 30 ] and increase soil C, N and phosphorus (P), but decrease total potassium (K) in the soil [ 31 , 32 ]. Biochar addition can also increase the positive influence of soil aggregates on soil microbial communities [ 33 ]. However, researchers have reported inconsistent findings on how the advent soil fungal community changes under biochar amendment.…”

Section: Introductionmentioning

confidence: 99%

Biochar Enhances the Resistance of Legumes and Soil Microbes to Extreme Short-Term Drought

He,

Liu,

Zhang

et al. 2023

Plants

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Short-term drought events occur more frequently and more intensively under global climate change. Biochar amendment has been documented to ameliorate the negative effects of water deficits on plant performance. Moreover, biochar can alter the soil microbial community, soil properties and soil metabolome, resulting in changes in soil functioning. We aim to reveal the extent of biochar addition on soil nutrients and the soil microbial community structure and how this improves the tolerance of legume crops (peanuts) to short-term extreme drought. We measured plant performances under different contents of biochar, set as a gradient of 2%, 3% and 4%, after an extreme experimental drought. In addition, we investigated how soil bacteria and fungi respond to biochar additions and how the soil metabolome changes in response to biochar amendments, with combined growth experiments, high-throughput sequencing and soil omics. The results indicated that biochar increased nitrites and available phosphorus. Biochar was found to influence the soil bacterial community structure more intensively than the soil fungal community. Additionally, the fungal community showed a higher randomness under biochar addition when experiencing short-term extreme drought compared to the bacterial community. Soil bacteria may be more strongly related to soil nutrient cycling in peanut agricultural systems. Although the soil metabolome has been documented to be influenced by biochar addition independent of soil moisture, we found more differential metabolites with a higher biochar content. We suggest that biochar enhances the resistance of plants and soil microbes to short-term extreme drought by indirectly modifying soil functioning probably due to direct changes in soil moisture and soil pH.

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Insight into the soil aggregate-mediated restoration mechanism of degraded black soil via biochar addition: Emphasizing the driving role of core microbial communities and nutrient cycling

Cited by 33 publications

References 47 publications

Biochar and organic fertilizer drive the bacterial community to improve the productivity and quality of Sophora tonkinensis in cadmium-contaminated soil

Biochar and organic fertilizer drive the bacterial community to improve the productivity and quality of Sophora tonkinensis in cadmium-contaminated soil

Biochar and Farm Yard Manure Synergy: Enhancing Soil Health and Mitigating Climate Change Impacts in Cotton Production

Biochar Enhances the Resistance of Legumes and Soil Microbes to Extreme Short-Term Drought

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