Soil acidification as an additional driver to organic carbon accumulation in major Chinese croplands

Zhang, Xinmu; Guo, Jingheng; Vogt, Rolf D.; Mulder, Jan; Wang, Yajing; Cheng, Qian; Wang, Jingguo; Zhang, Xiaoshan

doi:10.1016/j.geoderma.2020.114234

Cited by 102 publications

(39 citation statements)

References 63 publications

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“…In addition, the linear regression between pH and SOC showed a useless R 2 value (0.04), implying the minor influence of pH on SOC concentrations in surface soils in our study. The non-significant relationship between soil pH and SOC was also observed in surface soils in Northeast China [13]. Differently, pH was significantly negatively correlated with SOC in soil columns (Pearson correlation analysis, r = -0.646, p<0.001, Table 2), with a moderate R 2 of 0.42, showing the significant influence of pH on the vertical distribution of SOC.…”

Section: Effect Of Soil Conditions On Soc Phmentioning

confidence: 76%

“…5a), showing that the soil acidification only occurred in the topsoil layers. Generally, SOC concentrations tend to increase with decreasing soil pH, as the low pH depresses the decomposition of organic matter by reducing microbial activity and increasing the protection of minerals [13]. The response of SOC to soil pH might vary significantly in different regions due to the various soil properties.…”

Section: Effect Of Soil Conditions On Soc Phmentioning

confidence: 99%

“…Generally, SOC tends to increase with decreasing soil pH. The low pH depresses the decomposition of organic matter by reducing microbial activity and increasing the protection of minerals [13]. Heavy metal can protect the SOC from degradation by alerting the microflora and decreasing the microorganisms' activities [14,15].…”

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confidence: 99%

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Land Use and Climatic Conditions Control the Soil Organic Carbon’s Distribution in Qufu and Laixi, North China Plain

Huafeng¹,

Huang²

2021

Pol. J. Environ. Stud.

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Studies on the spatial-temporal distribution of soil organic carbon (SOC) and the controlling factors in a specific region has always been essential for understanding the SOC storage. Such studies are specially enhanced with the recent concerns on the increasing CO 2 levels in the atmosphere and consequent global warming. The amount of SOC storage depends on the input-output balance of organic matter and is primarily determined by the combined interaction of land use [1], soil conditions [2], and climate factors [3]. The main controlling factor may be different in various

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Section: Effect Of Soil Conditions On Soc Phmentioning

confidence: 76%

Section: Effect Of Soil Conditions On Soc Phmentioning

confidence: 99%

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Land Use and Climatic Conditions Control the Soil Organic Carbon’s Distribution in Qufu and Laixi, North China Plain

Huafeng¹,

Huang²

2021

Pol. J. Environ. Stud.

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“…The influence of the vegetation might occur through deep root distribution and the chemical nature of litter (Bird and Torn 2006;Zhang et al, 2008;Torn et al, 2009;Reyna-Bowen et al, 2020). Generally, decomposition of SOM involves multiple microbial processes catalyzed by various enzymes (Zhang et al, 2020). Changes in microbial community and enzyme https://doi.org/10.5194/soil-2021-12 Preprint.…”

Section: Effect Of Environmental Factors On Socsmentioning

confidence: 99%

“…CC BY 4.0 License. activity are therefore expected to influence the decomposition rate (Chenu et al, 2019;Wang et al, 2020;Zhang et al, 2020). It is demonstrated that soil acidification depresses the decomposition of SOM, both by decreasing microbial activity and by increasing protection of SOC by mineral phases (Zhang et al, 2020).…”

Section: Effect Of Environmental Factors On Socsmentioning

confidence: 99%

Effects of environmental factors and soil properties on soil organic carbon stock in a natural dry tropical area of Cameroon

Tsozué¹,

Noubissie

Mamdem

et al. 2021

Preprint

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Abstract. Researches carried out on soil organic carbon stock (SOCS) in the Sudano-Sahelian part of Cameroon are very rare. The few existing ones are mostly available in reports and concern in most cases carbon stocks in plant biomass. In order to contribute to the documentation on soils in this part of the country, the present work was designed to evaluate the SOCS in the main soil types and the influence of environmental factors and soil properties on these stocks under the natural dry tropical area of the Sudano-Sahelian zone of Cameroon. The study was undertaken in four sites, including three natural forest reserves (Laf, Zamai, Kosohon) and one national park (Mozogo), located at different latitudes. Two replications were thereafter made, thus, giving rise to three sampling points chosen per site, from 0 to 75 cm depth, for the determination of the SOCS. At each sampling point, soils were sampled using depth increments of 25 cm from the surface. The studied area is covered by Haplic Vertisols, Dystric Arenosols, Dystric Leptosols and Dystric Planosols. T-SOCS content, which refers to a depth of 75 cm, decreases with increasing latitude, with 249±26.26 Mg.ha-1 in Vertisols at Laf forest reserve in the low latitude, 199±8.00 Mg.ha-1 in Arenosols at Zamai forest reserve, 166±16.63 Mg.ha-1 in Leptosols at Kosohon forest reserve and 161±8.88 Mg.ha-1 in Planosols at Mozogo national park in the high latitude, regardless of the altitude. No significant correlation was noted between T-SOCS and the altitude. A good correlation was noted between precipitation which decreases with increasing latitude and T-SOCS, indicating the importance of climate in the distribution of T-SOCS in the study area, which directly influence the productivity of the vegetation. More than 60% of the SOCS was stored below the first 25 cm from the soil surface, a peculiarity of SOCS in the drylands. The SOCS in the Sudano-Sahelian area of Cameroon is mainly influenced by climate and vegetation.

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Black soldier fly larvae vermicompost alters soil biochemistry and bacterial community composition

Xiang

Sheng

Li³

et al. 2022

Appl Microbiol Biotechnol

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Soil acidification as an additional driver to organic carbon accumulation in major Chinese croplands

Cited by 102 publications

References 63 publications

Land Use and Climatic Conditions Control the Soil Organic Carbon’s Distribution in Qufu and Laixi, North China Plain

Land Use and Climatic Conditions Control the Soil Organic Carbon’s Distribution in Qufu and Laixi, North China Plain

Effects of environmental factors and soil properties on soil organic carbon stock in a natural dry tropical area of Cameroon

Black soldier fly larvae vermicompost alters soil biochemistry and bacterial community composition

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