Water‐based spent drilling mud regulates hydrophysical properties of coarse‐textured loessial soil

Fu, Wei; Liu, Qiao‐run; Fan, Jun; M.M.T., Lakshani; T.K.K., Chamindu Deepagoda

doi:10.1111/ejss.13281

Cited by 2 publications

(1 citation statement)

References 108 publications

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“…In addition, delayed N fertilization clearly attenuated the magnitude of N 2 O emissions after straw additions, whereby soil pH was the dominant regulator for N 2 O emissions under different straw returning forms and N application. The study by Fu et al (2022) showed that amendment application of water‐based spent drilling mud (WBSM), a candidate measure used to remediate structural problems in coarse‐textured soils, reduced the percentage of soil pore sizes >30 μm, but increased the proportion of medium pore sizes (≥30–50 μm), micro pore sizes (≥0.3–5 μm), and extremely micro pore sizes (<0.3 μm), owning to the clogging effect of the fine and clay particles contained in WBSM. In addition, WBSM application increased soil available water‐holding capacity and reduced evaporative water loss, which has useful implications for the management of coarse‐textured soils with a distinct water deficit in fragile ecosystems.…”

Section: Figurementioning

confidence: 99%

Soil physics matters for the land–water–food–climate nexus and sustainability

Wang,

Liu,

Yan

et al. 2023

European J Soil Science

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Soil is a complex ecosystem within which many species interact and where physicochemical and geological processes occur at different spatiotemporal scales, with strong interactions taking place between ecological and management processes. Soil processes affect the qualities of the food and water that we eat and drink, the regulation of greenhouse gases, and are the foundation of our habitation and transportation infrastructures. However, it is estimated that over 2 billion hectares of lands are degraded, with a further 12 million hectares degraded each year causing the annual loss of 24 billion tons of fertile soil. Soil degradation negatively affects the well‐being of over 3 billion people, costing more than 10% of the annual global GDP via the loss of ecosystem services, and reducing the productivity of 23% of the global terrestrial area. The sustainable management of soil ecosystems is, therefore, fundamental to global food, water, and energy security, especially under increasingly unpredictable weather patterns caused by climate change. The land–water–food–energy nexus is central to sustainable development and soil inextricably links these critical domains. Stakeholders and decision‐makers in all four domains are necessarily focusing on the effects of soil degradation on climate change, water resource management, and food production as key to the development of sustainable agricultural practices and policies. A properly integrated approach to managing rural soils is thus required to ensure global water, food, and energy security, whilst increasing and protecting biodiversity. This special issue collects 15 papers on recent advances on soil physical‐, hydrological‐, and biological processes, and linkages with agroecosystem sustainability across experiments, field observations, and methodological breakthroughs.

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Section: Figurementioning

confidence: 99%

Soil physics matters for the land–water–food–climate nexus and sustainability

Wang,

Liu,

Yan

et al. 2023

European J Soil Science

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Plant communities and potential phytoremediation species for resource utilization of abandoned drilling mud

Wang,

Hao

2024

Front. Environ. Sci.

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Oil and gas development produces a large amount of abandoned drilling mud, which may be a source of pollution but may also be a potential resource. A quadrat sampling method was used in the Changqing Oilfield to investigate the plant community characteristics inside and outside abandoned drilling mud pits at different completion times. The importance value of plant showed that the natural succession of plant communities in the abandoned drilling mud pool could be divided into three stages: (1) 4–8 years after the completion of the well, Leymus secalinus, Calamagrostis epigeios with the importance values of more than 100, were dominant species in the initial construction stage; (2) 9–13 years after the succession, the intense competition stage of the plant community, although the importance value of plant inside the mud pit had decreased, it was still higher than the importance value of plant outside the mud pool. The importance values of L. secalinus and Artemisia scoparia outside the mud pool were 62.5 and 52.5, while those in the mud pool were 95 and 75, respectively; (3) 23–28 years after the succession, the gradual stabilization stage of the plant community, the importance value of plant was lower than that in the mud pool. Leymus secalinus, C. epigeios and A. scoparia could be used for phytoremediation of abandoned drilling soil for their higher importance values. Changes of Shannon–Wiener index, Pielou index, Community ecological dominance and vegetation biomass showed that the mud pit was suitable for the recovery and growth of the dominant species, improved the diversity of plant communities inside the mud pit compared with the stable plant community outside the mud pit. Abandoned drilling mud increased the content of nitrogen, potassium and trace elements in plants. While the variation coefficient of heavy metal content in plants inside and outside the mud pit was large, but the content of heavy metals in plants was within the normal range. Abandoned drilling mud has the potential for resource utilization on the premise of ensuring soil quality and safety. This study provides information on the comprehensive treatment, resource utilization, disposal economics and environmental safety of abandoned drilling mud.

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Water‐based spent drilling mud regulates hydrophysical properties of coarse‐textured loessial soil

Cited by 2 publications

References 108 publications

Soil physics matters for the land–water–food–climate nexus and sustainability

Soil physics matters for the land–water–food–climate nexus and sustainability

Plant communities and potential phytoremediation species for resource utilization of abandoned drilling mud

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