Biochemical intensity and microbial eco-characterization of soils irrigated with saline water from the Tarim Desert Highway shelter-belt

Zhengzhong, 靳正忠 Jin; Jiaqiang, 雷加强 Lei; Shengyu, 李生宇 Li; Xinwen, 徐新文 Xu

doi:10.5846/stxb201606131142

Cited by 3 publications

(2 citation statements)

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“…According to the National Soil Nutrient Content Classification Standard, the soil nutrient and enzyme contents in this study were at a low or very low level. Relevant scholars [46][47][48][49] also pointed out that in the hinterland of the extremely arid Taklamakan Desert, the establishment of artificial vegetation using brackish water irrigation promoted the development of wind-sand soils, which led to significant changes in the soil interior, improved soil physical and chemical properties, and increased fertility. Soil properties affect soil aeration, water permeability, nutrient transport, and other characteristics, which is an important reflection of soil fertility.…”

Section: Discussionmentioning

confidence: 99%

“…In contrast, the protective forest belt deep in the desert hinterland has deteriorating soil quality, with the lowest rating in Sample Site 7 (SQI = 0.254). Although the protective forest is irrigated and receives consistent nutrient inputs, damage from sand and wind is caused by the harsh environment in the Tarim Desert's hinterland [62,63], resulting in soil structure destruction, topsoil loss, plant death, cover loss, soil resanding and salinization, soil water and nutrient loss, decreased enzyme activity, and rapid soil quality degradation [47,48,54,64]. In the southern part of the research region, the soil quality of the protection forest is notably high, averaging 0.493.…”

Section: Discussionmentioning

confidence: 99%

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Evaluation of Soil Quality and Analysis of Barriers of Protection Forests along Tarim Desert Highway Based on a Minimum Data Set

Liu,

Li,

et al. 2024

Land

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To gain a thorough grasp of the soil quality conditions in the preservation forests along the Tarim Desert Highway, a detailed assessment of the research area’s soil quality is necessary, along with the identification of any potential obstacles. This evaluation should identify any potential obstacles and provide a theoretical basis for the sustainable utilization and precise management of protection forest soils. This paper examines the protection forest along the Tarim Desert Highway as the study area. To characterize the features of the soil quality, thirteen indicators of the chemical, physical, and biological composition of the soil were examined. The principal component analysis method was used to construct the minimum dataset (MDS) for soil quality evaluation. The diagnostic model for obstacle factors was combined with the MDS to explore the soil quality characteristics and obstacle factors in the study region. The findings indicated that (1) the constructed indexes of the MDS of protection forest soil in the study area included soil ammonium nitrogen (NH4+-N); quick-acting phosphorus (AvP); organic carbon (SOC); alkaline phosphatase (AP); and total salt (SS); (2) soil quality based on the MDS and the total dataset (TDS) showed a significant positive correlation (R2 = 0.748; p < 0.05), and the research region’s soil quality were all in the medium and below level (100% of SQI ≤ 0.6), showing the status quo of high soil quality in the two ends of the shelterbelt forest and the tower center area, while the other areas were relatively low; (3) according to the findings of the soil barrier analysis, the two main obstacles influencing the soil quality of the shelterbelt forest at this time are NH4+-N and SOC, and that the soil quality of the shelterbelt forest could be improved by artificially increasing the inputs of nutrients and precise conservation measures, promoting the overall function of artificial protective forests on desert highways. In addition to providing a solid scientific foundation for the sustainable use and maintenance of shelterbelt forests along the Tarim Desert Highway, this study is also an invaluable resource for researching the soil quality of artificial shelterbelt forests in arid regions.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Evaluation of Soil Quality and Analysis of Barriers of Protection Forests along Tarim Desert Highway Based on a Minimum Data Set

Liu,

Li,

et al. 2024

Land

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Reclamation of heavy coastal silt saline soil and optimal tomato production through a drip irrigation system with saline water

Feng

Sun

et al. 2022

Plant Soil

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Ecologic Service, Economic Benefits, and Sustainability of the Man-Made Ecosystem in the Taklamakan Desert

Abulimiti²,

Fan³

et al. 2022

Front. Environ. Sci.

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The longest artificial highway shelterbelt flowing across the Taklamakan desert was conducted in 2005. To ensure the sustainable development of the highway and shelterbelts, scholars have carried out a large number of studies on the shelterbelt since 1991. This review is based on a 30-year monitoring program from 1991 to 2021. We find that, with the increase of shelterbelt age, some ecological and economic benefits gradually appear, such as saving transportation cost, promoting economic development in Southern Xinjiang, improving the sandy soil and microenvironment, and increasing the biodiversity. In the meanwhile, some adverse phenomena also exist, such as high maintenance costs, decrease in water tables because of irrigation, threats of the protected species, pollution from pumping oil wells, and the potential damage from highway burying as sand dunes move forward. In view of these problems, some suggestions are as follows. First, the science-policy sections of both the UNFCCC and the UNCCD should pay special attention to providing research-based guidance for the international cooperation and coordination. Second, China government should provide the necessary funding to establish the 27th China desert observation and research station to ensure long-term monitoring and slow down the pace of construction on the desert highway to allow time to develop strategies that minimize the impact on wild animals. Third, it is necessary to apply solar photovoltaic power in well irrigation and sand industry development. Fourth, the sand-blocking belt of 10 m width and 10 m away from the outside of the upwind shelterbelt can be laid every five years in view of sand-buried roads. In short, the inter-agency collaboration and coordination are both essential to ensuring the success of sustainable development and management of the Taklamakan Desert man-made ecosystem.

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Biochemical intensity and microbial eco-characterization of soils irrigated with saline water from the Tarim Desert Highway shelter-belt

Cited by 3 publications

References 0 publications

Evaluation of Soil Quality and Analysis of Barriers of Protection Forests along Tarim Desert Highway Based on a Minimum Data Set

Evaluation of Soil Quality and Analysis of Barriers of Protection Forests along Tarim Desert Highway Based on a Minimum Data Set

Reclamation of heavy coastal silt saline soil and optimal tomato production through a drip irrigation system with saline water

Ecologic Service, Economic Benefits, and Sustainability of the Man-Made Ecosystem in the Taklamakan Desert

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