Soil quality and r – K fungal communities in plantations after conversion from subtropical forest

Liu, Ting; Wu, Xin; Li, Huangwei; Chen, Ning; Li, Yong; Zhang, Xuyuan; He, Jinsong; Filimonenko, Ekaterina; Chen, Shu; Gibson, D. J.; Kuzyakov, Yakov; Yan, Wende

doi:10.1016/j.catena.2022.106584

Cited by 19 publications

(12 citation statements)

References 52 publications

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“…Bacteroidetes are mainly responsible for nitrification processes, including autotrophic metabolism and subsequent nitrite oxidation ( Wolinska et al, 2017 ). In addition, Ascomycota (fungal taxa) is closely relating to soil nitrogen effectiveness ( Liu et al, 2022 ). Similar results were observed in this study based on the significant and positive correlation ( p < 0.05) between soil AN and the relative abundance of Ascomycota.…”

Section: Discussionmentioning

confidence: 99%

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Response of soil microbial communities and rice yield to nitrogen reduction with green manure application in karst paddy areas

Li²,

Tang³

et al. 2023

Front. Microbiol.

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Fertilizer application practices are one of the major challenges facing agroecology. The agrobenefits of combined application of green manure and chemical fertilizers, and the potential of green manure to replace chemical fertilizers are now well documented. However, little is known about the impact of fertilization practices on microbial communities and tice yield. In this study, the diversity of bacterial and fungal communities, symbiotic networks and their relationship with soil function were analyzed in five fertilization treatments (N: 100% nitrogen fertilizer alone; M: green manure alone; MN60: green manure couple with 60% nitrogen fertilizer, MN80: green manure couple with 80% nitrogen fertilizer; and MN100: green manure couple with 100% nitrogen fertilizer). First, early rice yield was significantly higher by 12.6% in MN100 treatment in 2021 compared with N. Secondly, soil bacterial diversity showed an increasing trend with increasing N fertilizer application after green manure input, however, the opposite was true for fungal diversity. Microbial interaction analysis showed that different fertilizer applications changed soil microbial network complexity and fertilizer-induced changes in soil microbial interactions were closely related to soil environmental changes. Random forest models further predicted the importance of soil environment, microorganisms and rice yield. Overall, nitrogen fertilizer green manure altered rice yield due to its effects on soil environment and microbial communities. In the case of combined green manure and N fertilizer application, bacteria and fungi showed different responses to fertilization method, and the full amount of N fertilizer in combination with green manure reduced the complexity of soil microbial network. In contrast, for more ecologically sensitive karst areas, we recommend fertilization practices with reduced N by 20–40% for rice production.Graphical Abstract

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Section: Discussionmentioning

confidence: 99%

“…Zygomycota are the group of fungi employing r-strategy, similar to Ascomycota. They grow fast and effectively decompose unstable carbon, implying high C effectiveness and high relative abundance in soil environments with low C/N in agricultural soil ( Liu et al, 2022 ).…”

Section: Discussionmentioning

confidence: 99%

Response of soil microbial communities and rice yield to nitrogen reduction with green manure application in karst paddy areas

Li²,

Tang³

et al. 2023

Front. Microbiol.

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“…In this study, soil fungal diversity, community structure, and OM changes with plantation management patterns are also closely related to soil pH (Guo et al, 2022). Phosphorus is considered a key regulator of fungal community biogeographic patterns, and adequate phosphorus levels had positive effects on mycelial development and mycorrhizal formation (Liu et al, 2022). However, soil fungal communities in the experimental area of the present study were more restricted by N than P, and fungal community diversity, community structure, and functional guilds were greatly influenced by TN and NO-3_N to varying degrees.…”

Section: Key Soil Factors Correlated With Fungal Communitiesmentioning

confidence: 83%

“…Studies have shown that the implantation of native species such as Manglietia glauca, Castanopsis hystrix, Acacia mangium, and Cinnamomum camphora in eucalypt plantations significantly increase the soil bacterial diversity and relative abundance of copiotrophic and nitrogen cycle-associated bacteria (Xu et al, 2021b(Xu et al, , 2022. However, there are few studies addressing the effects of pure plantation transformation on soil fungal communities (Rachid et al, 2013;Wu et al, 2019;Liu et al, 2022). Consequently, this limits a more comprehensive assessment of soil microbial communities in response to the shifts in plantation management patterns.…”

Section: Introductionmentioning

confidence: 99%

Mixing planting with native tree species reshapes soil fungal community diversity and structure in multi-generational eucalypt plantations in southern China

Xu²,

Wang³

et al. 2023

Front. Microbiol.

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The continuous planting pattern of eucalypt plantations negatively affects soil quality. A mixed planting pattern using native species implanted in pure plantations has been considered a preferable measure for this problem. However, the impact of this approachon the structure and function of fungal communities is not clear. Here, harvesting sites that had undergone two generations of eucalypt plantations were selected to investigate soil fungal community structure and the co-occurrence network characteristics in response to two silvicultural patterns involving the third generation of eucalypt plantations (E) and mixed plantations of Eucalyptus. urograndis × Cinnamomum. camphora (EC) and E. urograndis × Castanopsis. hystrix (EH). Compared with the first generation of eucalypt plantations (CK), E markedly weakened enzyme activities associated with carbon-, nitrogen-. and phosphorus-cycling. Reduced soil fungal alpha diversity, and elevated the relative abundance of Basidiomycota while decreasing the abundance of Ascomycota. In contrast, EC and EH not only enhanced fungal alpha diversity, but also reshaped fungal composition. At the class level, E caused an enrichment of oligotrophic Agaricomycetes fungi, classified into symbiotroph guild, while EC markedly decreased the abundance of those fungi and increased the abundances of Sordariomycetes, Dothideomycetes, Eurotiomycetes, and Tremellomycetes fungi, which were classified into saprotroph or pathotroph guild. Moreover, fungal network complexity and robustness topological attributes were higher or significantly higher in mixed plantations soils compared with those of pure eucalypt plantation E. Furthermore, fungal diversity, structure, and functional taxa were significantly affected by soil organic matter, pH, total nitrogen, and nitrate nitrogen.

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“…Land use and agricultural practices could affect soil properties (Liu, Wu, et al, 2022; Xu et al, 2022). The practice management of RC production significantly affected the soil's physical, chemical, and biological characteristics (Hu et al, 2020).…”

Section: Discussionmentioning

confidence: 99%

Changes in soil quality under long‐term rice‐crayfish farming in the Dongting Lake Plain, China

Du,

Wang,

Zhang

et al. 2023

Land Degrad Dev

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Rice‐crayfish (RC) integrated cultivation, as a sustainable agricultural system, could significantly improve soil fertility. However, the soil quality under the long‐term RC farming system is still unclear. To examine the effects of RC cultivation on soil quality in paddy fields, this study utilized an integrated soil quality index (SQI) for examining the soil quality at different soil profiles (0–10, 10–20, and 20–30 cm depth) in rice monoculture (RM) and RC farming systems (after 1, 6, 10, and 15 years) scattered in Nanxian County, Hunan Province, China. The minimum datasets for evaluating soil quality were assembled using the soil pH, bulk density, total nitrogen, microbial biomass carbon, microbial biomass nitrogen, and β‐d‐glucosidase. The findings demonstrated that soil quality was greatly impacted by RC farming, which improved with the increase of years under RC management. The soil quality of 10‐ and 15‐year RC farming systems were significantly higher than RM system. Besides, soil quality declined with increasing soil depth. The SQI value, which may be used as an indicator to assess the soil quality of RC systems, was dominated by total nitrogen, which contributed 27.60% to the SQI value. On the whole, long‐term RC farming affected the soil quality of paddy fields through management methods including non‐rice season flooding, feeding, and no tillage. Through this study, it was found that MDS and SQI composed of appropriate physical, chemical, and biological indicators could more objectively analyze the soil quality of long‐term RC system and provide guidance for sustainable development of RC farming.

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Soil quality and r – K fungal communities in plantations after conversion from subtropical forest

Cited by 19 publications

References 52 publications

Response of soil microbial communities and rice yield to nitrogen reduction with green manure application in karst paddy areas

Response of soil microbial communities and rice yield to nitrogen reduction with green manure application in karst paddy areas

Mixing planting with native tree species reshapes soil fungal community diversity and structure in multi-generational eucalypt plantations in southern China

Changes in soil quality under long‐term rice‐crayfish farming in the Dongting Lake Plain, China

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