Results 1 to 10 of about 105 (75)

Soil carbon dynamic characteristics of coal gangue-filled reclaimed cropland and forest land under time series [PDF]

open access: yes, 2023
In order to clarify the intrinsic mechanism between soil quality and soil carbon cycling after reclamation and to reveal the characteristic patterns of carbon dynamics of reclaimed soils under time series, the cultivated soils of 3, 6, 9 and 12 a ...
Junfeng QU   +3 more
core   +1 more source

Carbon, Nitrogen and Phosphorus nutrients and stoichiometric characteristics of reclaimed soil aggregate in coal mining subsidence land [PDF]

open access: yes, 2022
In order to clarify the nutrients and stoichiometric changes of soil aggregates in different forest types, reveal the soil nutrient retention and limitation characteristics of coal mining subsidence land, and then screen out the best reclaimed-forest ...
Jing ZHAO   +3 more
core   +1 more source

Effects of Different Ratios of Mineral-solubilizing Microbes and Water-retaining Agents on Soil Nutrients and Enzyme Activities [PDF]

open access: yes, 2022
[Objective] The effects of mixed additions of a water-retaining agent and bacterial agents on soil characteristics were determined in order to provide a theoretical basis for promoting mine vegetation restoration.
Chen Meiling   +6 more
core   +1 more source

Simulated reconstruction of soil water distribution and isotope fractionation under the influence of AMF inoculation [PDF]

open access: yes, 2023
Water resources determine the vegetation structure and types in the ecological restoration process, and are the main limiting factor for achieving green production and ecological restoration in mining areas.
Lexuan TIAN, Yinli BI, Zengming KE
core   +1 more source

Impacts of regreening on soil microbial community and its assembly process in open-pit mining area of the Loess Plateau [PDF]

open access: yes, 2023
Vegetation restoration is an important indicator of ecosystem health in a mining area. Understanding the impact of vegetation restoration on the characteristics and assembly process of soil microbial community is very important to explore the resilience ...
Dong XIAO   +5 more
core   +1 more source

生物质磺酸钙对荒漠土壤改良作用的研究 [PDF]

open access: yes, 2019
在实验室条件下,研究了生物质磺酸钙对荒漠沙土的改良作用。结果表明,沙土中添加2%生物质磺酸钙,土壤中有机质、全氮、速效钾、速效磷含量和土壤持水量均显著增加 ...
保雄伟   +3 more
core   +2 more sources

The promotion mechanism of how biochar affects the reclaimed soil microbial carbon sequestration capacity in coal mining areas [PDF]

open access: yes
Biochar application is a key measure for enhancing soil quality. However, the impact of biochar applications on the reclaimed soil for improvement on soil physicochemical properties, enzyme activity and microbial diversity is still unclear, especially ...
Fu CHEN   +5 more
core   +1 more source

An Improved DBSCAN Clustering Algorithm [PDF]

open access: yes, 2008
针对"基于密度的带有噪声的空间聚类"(DBSCAN)算法存在的不足,提出"分而治之"和高效的并行方法对DBSCAN算法进行改进.通过对数据进行划分,利用"分而治之"思想减少全局变量Eps值的影响;利用并行处理方法和降维技术提高聚类效率,降低DBSCAN算法对内存的较高要求;采用增量式处理方式解决数据对象的增加和删除对聚类的影响.结果表明:新方法有效地解决了DBSCAN算法存在的问题,其聚类效率和聚类效果明显优于传统DBSCAN聚类算法.An improved density based spatial ...
冯少荣, 肖文俊
core   +3 more sources

黄河三角洲废弃盐田复垦土壤碳氮磷生态化学计量学特征

open access: yesShuitu Baochi Xuebao, 2020
选取黄河三角洲废弃盐田复垦1,2,3,4,7,8,9年7个复垦年限及农田(非复垦形成)0—100 cm土层土壤为研究对象,通过测定复垦土壤有机碳(SOC)、总氮(TN)、总磷(TP)含量,分析不同复垦年限及农田土壤养分时空变异格局及化学计量学特征,并同步测定土壤理化性状、酶活性,计算土壤C、N、P储量。结果表明:废弃盐田复垦1,2,3,4,7,8,9年0—100 cm土层土壤SOC、TN含量远低于全国平均水平;复垦1,2年0—100 cm土层土壤TP含量低于全国平均水平,复垦3,4,7,8 ...
朱奕豪   +6 more
doaj  

Progress Analysis and Development Prospects of Soil Ecological and Environmental Effects of Interlayer Construction [PDF]

open access: yes
[Objective] This study systematically summarized and analyzed the current application status, technical characteristics, and environmental benefits of interlayer construction in soil improvement, nutrient cycling, ecological restoration, and crop ...
CHEN Jihong   +7 more
core   +1 more source

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