Integrated microbiology and metabolomics analysis reveal plastic mulch film residue affects soil microorganisms and their metabolic functions

Wu, Changcai; Ma, Yu; Wang, Dan; Shan, Yongpan; Xiao, Song; Hu, He-xuan; Ren, Xiangliang; Ma, Xiaoyan; Cui, Jinjie; Ma, Yan

doi:10.1016/j.jhazmat.2021.127258

Cited by 128 publications

(37 citation statements)

References 59 publications

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“…The average size of networks (n) decreased after Zn application, in accordance with diversity, but the average links and average connectivity (avgK) increased. This was because microorganisms often form complex networks and change their responses to external disturbances ( Jiao et al, 2019 ; Wu et al, 2022 ). In addition, species that are highly interconnected and interact frequently are grouped into modules.…”

Section: Discussionmentioning

confidence: 99%

“…The functional genes of rice rhizosphere bacteria were conducted by PICRUSt 2 (v 1.1.0 6 ), and KEGG functional annotation was used to obtain information on the annotation of OTUs at each KEGG function level and abundance ( Langille et al, 2013 ; Wu et al, 2022 ). STAMP software (v 2.1.3) was used for statistical hypothesis tests and exploratory plots ( Parks et al, 2014 ) using Welch’s t -test to compare the differences in two groups.…”

Section: Methodsmentioning

confidence: 99%

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Microbial mechanism of zinc fertilizer input on rice grain yield and zinc content of polished rice

et al. 2022

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Zinc is an essential minor element for rice growth and human health, which can also change the structure of the microorganisms. However, it remains unclear for the effects of zinc fertilizer on microbiome function in agricultural soils and crops. To solve this research gap, we investigated the relationship between improving rice (Oryza sativa L.) yield, Zn concentration, soil microbial community diversity, and function by the application of Zn fertilizer. The field trials included three rice varieties (Huanghuazhan, Nanjing9108, and Nuodao-9925) and two soil Zn levels (0 and 30 kg ha–1) in Jiangsu province, China. As a test, we studied the variety of soil bacterial composition, diversity, and function using 16S rRNA gene sequencing. The results showed that soil Zn application reduced the diversity of microbial community, but the bacterial network was more closely linked, and the metabolic function of bacterial community was improved, which increased the grain yield (17.34–19.52%) and enriched the Zn content of polished rice (1.40–20.05%). Specifically, redundancy analysis (RDA) and Mantel’s test results revealed soil total nitrogen (TN) was the primary driver that led to a community shift in the rice rhizosphere bacterial community, and soil organic carbon (SOC) was considered to have a strong influence on dominant phyla. Furthermore, network analysis indicated the most critical bacterial taxa were identified as Actinobacteria, Bacteroidetes, Proteobacteria, and Chloroflexi based on their topological roles of microorganisms. KEGG metabolic pathway prediction demonstrated that soil Zn application significantly (p < 0.05) improved lipid metabolism, amino acid metabolism, carbohydrate metabolism, and xenobiotic biodegradation. Overall, their positive effects were different among rice varieties, of which Nanjing-9108 (NJ9108) performed better. This study opens new avenues to deeply understand the plant and soil–microbe interactions by the application of fertilizer and further navigates the development of Zn-rich rice cultivation strategies.

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Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Microbial mechanism of zinc fertilizer input on rice grain yield and zinc content of polished rice

et al. 2022

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“…Averaged over the two years, in the 0–10 cm layer, the soil’s microbial activity, urease activity and catalase activity were increased by 37.55%, 10.24% and 10.81%, respectively; in the 10–20 cm layer, they were increased by 17.23%, 10.64% and 39.97%, respectively. Studies have shown that exogenous organic substances in agricultural soil would affect the complexity and metabolic processes of the soil’s microbial networks [ 55 ]. For the biodegradable plastic film, the released monomers during degradation are to be used by microorganisms to grow, increasing microbial biomass [ 38 ].…”

Section: Discussionmentioning

confidence: 99%

Effect of Long-Term Biodegradable Film Mulch on Soil Physicochemical and Microbial Properties

Zhang

Xue

Jin

et al. 2022

Toxics

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Biodegradable mulches have become the focus of attention, as pollution caused by leftover plastic mulch material becomes increasingly severe. However, the impact of biodegradable mulches to the soil needs to be further investigated. An experiment was conducted to evaluate the impact of no-mulch, biodegradable film mulch (BM) and polyethylene film mulch (PM) on the soil’s physical, chemical and biological properties after six years (2013–2019) of mulching in garlic growing season in a garlic-maize rotation. Results showed that the soil bulk density of the 10–20 cm soil layer under BM decreased by 12.09–17.17% compared with that under PM. The soil total nitrogen content increased significantly by 14.75–28.37%, and the soil available phosphorus and potassium content increased by 64.20% and 108.82%, respectively. In addition, BM increased the soil’s microbial, soil urease, and soil catalase activities compared with those for PM. To sum up, BM can reduce soil bulk density, and long-term use of BM does not cause a decrease in soil nutrient content and microbial activity. On the contrary, it can improve soil quality. This study helps accumulate data for the environmental safety evaluation of BM and provides theoretical and technical support for the large-scale promotion of biodegradable mulches.

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“…Different irrigation strategies can alter the soil bacterial community structure and the activity of soil nitrogen [39]. Wu's study confirmed that PF mulching interfered with the complexity of soil bacterial symbiosis networks [40]. Nevertheless, few studies have focused on nirS-type denitrifying bacterial communities under different irrigation strategies.…”

Section: Effects Of Irrigation Strategy and Plastic Film Mulching On ...mentioning

confidence: 93%

Effects of Irrigation Strategy and Plastic Film Mulching on Soil N2O Emissions and Fruit Yields of Greenhouse Tomato

Zhang

Zhen-guang

et al. 2022

Agriculture

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Agriculture is a major source of global greenhouse gas emissions. Approximately 1/3 of vegetables in China are produced in greenhouses. However, the effects of different irrigation strategies and plastic film (PF) mulching combinations on N2O emissions and tomato fruit yields in greenhouses are unclear. The aims of this study were to explore the effects of micro-sprinkler irrigation under plastic film (MSPF), drip irrigation under plastic film (DIPF) and micro-sprinkler irrigation (MSI) on the soil nutrients, enzyme activity, nirS-type denitrifying bacterial community, N2O emissions and fruit yields of tomato. The results showed that MSPF could improve the uniformity of soil water distribution and surface (0–40 cm) soil water content. Film mulching could increase soil temperature at depths of 5–25 cm. Both MSPF and DIPF increased microbial nitrogen, promoted the activity of rhizosphere soil urease and leucine aminopeptidase, changed the community of denitrifying bacteria, accelerated the turnover of soil nutrients and improved yield and water use efficiency. PF mulching had a greater impact on the nirS-type denitrifying bacterial community when compared to irrigation strategy. We conclude that MSPF can be used to configure commercially available installation and operation. The comprehensive benefit of MSPF treatment is that it is more profitable than that of DIPF.

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Integrated microbiology and metabolomics analysis reveal plastic mulch film residue affects soil microorganisms and their metabolic functions

Cited by 128 publications

References 59 publications

Microbial mechanism of zinc fertilizer input on rice grain yield and zinc content of polished rice

Microbial mechanism of zinc fertilizer input on rice grain yield and zinc content of polished rice

Effect of Long-Term Biodegradable Film Mulch on Soil Physicochemical and Microbial Properties

Effects of Irrigation Strategy and Plastic Film Mulching on Soil N2O Emissions and Fruit Yields of Greenhouse Tomato

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