Response of soil microorganisms after converting a saline desert to arable land in central Asia

Liu, Shenglin; Maimaitiaili, Baidengsha; Joergensen, Rainer Georg; Feng, Gu

doi:10.1016/j.apsoil.2015.08.024

Cited by 22 publications

(6 citation statements)

References 59 publications

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“… Wu et al (2015) found a decline in soil nutrient concentrations with stand age from 3 to 25 years for Pinus elliottii plantations in subtropical China, which further indicates that soil nutrients may be deficient with increasing stand ages in a monoculture forest plantation ( Peri et al, 2006 ). These conflicting findings clearly demonstrate the need for mechanistic understanding of how soil ecosystems, including dissolved organic matter and microorganisms, change with stand development in monoculture plantations ( Guillaume et al, 2016 ; Liu S. et al, 2016 ; Awale et al, 2017 ).…”

Section: Introductionmentioning

confidence: 99%

Chemodiversity of Soil Dissolved Organic Matter and Its Association With Soil Microbial Communities Along a Chronosequence of Chinese Fir Monoculture Plantations

Heal

Wang

et al. 2021

Front. Microbiol.

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The total dissolved organic matter (DOM) content of soil changes after vegetation transformation, but the diversity of the underlying chemical composition has not been explored in detail. Characterizing the molecular diversity of DOM and its fate enables a better understanding of the soil quality of monoculture forest plantations. This study characterized the chemodiversity of soil DOM, assessed the variation of the soil microbial community composition, and identified specific linkages between DOM molecules and microbial community composition in soil samples from a 100-year chronosequence of Chinese fir monoculture plantations. With increasing plantation age, soil total carbon and dissolved organic carbon first decreased and then increased, while soil nutrients, such as available potassium and phosphorus and total nitrogen, potassium, and phosphorus, increased significantly. Lignin/carboxylic-rich alicyclic molecule (CRAM)-like structures accounted for the largest proportion of DOM, while aliphatic/proteins and carbohydrates showed a decreasing trend along the chronosequence. DOM high in H/C (such as lipids and aliphatic/proteins) degraded preferentially, while low-H/C DOM (such as lignin/CRAM-like structures and tannins) showed recalcitrance during stand development. Soil bacterial richness and diversity increased significantly as stand age increased, while soil fungal diversity tended to increase during early stand development and then decrease. The soil microbial community had a complex connectivity and strong interaction with DOM during stand development. Most bacterial phyla, such as Acidobacteria, Chloroflexi, and Firmicutes, were very significantly and positively correlated with DOM molecules. However, Verrucomicrobia and almost all fungi, such as Basidiomycota and Ascomycota, were significantly negatively correlated with DOM molecules. Overall, the community of soil microorganisms interacted closely with the compositional variability of DOM in the monoculture plantations investigated, both by producing and consuming DOM. This suggests that DOM is not intrinsically recalcitrant but instead persists in soils as a result of simultaneous consumption, transformation, and formation by soil microorganisms with extended stand ages of Chinese fir plantations.

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Section: Introductionmentioning

confidence: 99%

Chemodiversity of Soil Dissolved Organic Matter and Its Association With Soil Microbial Communities Along a Chronosequence of Chinese Fir Monoculture Plantations

Heal

Wang

et al. 2021

Front. Microbiol.

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“…. Which mainly refers to health , land cover change (Fu & Weng, 2016;De Rosa, Knudsen, & Hermansen, 2016), arable land (Brown & Matsuo-Chun, 2016;Liu et al, 2016) and regional planning (Davidson& Wibberley, 2016;Wei et al, 2016). Since China is a vast country with significant regional differences, thus, the relationship between China's LUQ and CO 2 emissions must be investigated from the national to the regional level.…”

Section: Introductionmentioning

confidence: 99%

The causal relationship between carbon emissions and land urbanization quality: A panel data analysis for Chinese provinces

Zhang

2016

Journal of Cleaner Production

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The Chinese government, like many others around the world, has set carbon targets that by the time of 2020, to achieve a 40 45% decrease in CO 2 emissions per GDP compared with that of 2005. In some parts of China, short-term economic needs have dominated urban planning, while in other areas-especially in recent years-emphasis has shifted to the quality of urban development. This paper contributes to the literature as placing emphasis on the quality of land use as well as detecting possible causal links between land urbanization quality(LUQ) and carbon emissions using panel data from at provincial level from 2004 to 2013.The results show that:There is bidirectional long-run causal relation between carbon emission and LUQ on the national scale, which implies that the two are jointly determined and that they simultaneously affect each other. As the case of recovery to the equilibrium, Eastern regions have the fastest speed, followed by the Central and the Western ranked at last. Further, what worth noting is LUQ contribute to reducing carbon emissions, indicating the ongoing industrial restructuring and green developments have come into force. Moreover, we deduce that the Central region has the highest potential for energy conservation. We further propose that emphasis should be placed on promoting the degree of LUQ and energy conservation in the implementation during the New-type Urbanization Plan (2014)(2015)(2016)(2017)(2018)(2019)(2020).

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“…In this study, the similar changing tendency of S tot for all treatments, including CK, presented that S tot was not affected by fertilisation and sweet sorghum cultivation. Cotton cultivation without fertilisation for 16 years resulted in a steady decrease in pH H 2 O and salinity in this experimental region (Liu et al 2016). The wavy fluctuation in S tot was not in good agreement with the abovementioned result.…”

Section: Discussionmentioning

confidence: 82%

Impact of fertilisers on soil properties and biomass yield under a long-term sweet sorghum cropping system

Kuerban¹,

Tuerhong²,

ZhenDong³

et al. 2021

PLANT SOIL ENVIRON

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A continuous long-term field experiment (2008–2018) was conducted in Xinjiang, north-western China, to assess the impact of farmyard manure (FYM) and inorganic fertilisers on the sustainable biomass yield of sweet sorghum cultivar (Xingaoliang No. 3) and soil chemical properties. Seven treatments, associated with nitrogen (N), phosphorus (P), potassium (K), FYM, and their different combination, were compared with the control plot (CK). As a result, the treatments NP, PK, NK, NPK and NPKM significantly increased the average biomass yields by 30–48% over CK. The 12 t/ha FYM per year with NPK (NPKM) increased both the yield and total soluble solids (T<sub>SS</sub>) by 48% and 7.9%, respectively, while the 18 t/ha/year application rate of FYM had an adverse effect on yield. Stem T<sub>SS</sub>, soil available N and K for all treatments decreased while soil organic carbon, soil total salt and the available P for FYM applied treatments increased over the years. The soil pH stabilised at 7.8–8.2 at the end. In conclusion, the 12 t/ha/year of FYM is the most efficient rate for a single application or incorporation with inorganic fertilisers. A more reasonable application rate of N and K fertiliser to increase the yield and irrigation rate to reduce soil salt needs for further investigation.

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Response of soil microorganisms after converting a saline desert to arable land in central Asia

Cited by 22 publications

References 59 publications

Chemodiversity of Soil Dissolved Organic Matter and Its Association With Soil Microbial Communities Along a Chronosequence of Chinese Fir Monoculture Plantations

Chemodiversity of Soil Dissolved Organic Matter and Its Association With Soil Microbial Communities Along a Chronosequence of Chinese Fir Monoculture Plantations

The causal relationship between carbon emissions and land urbanization quality: A panel data analysis for Chinese provinces

Impact of fertilisers on soil properties and biomass yield under a long-term sweet sorghum cropping system

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