Soil health assessment under different soil and irrigation types in the agro-pastoral ecotone of northern China

CATENA, Journal Year: 2023, Volume and Issue: 235, P. 107655 - 107655

Published: Nov. 3, 2023

Language: Английский

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Quantitative evaluation of soil health based on a minimum dataset under various short-term crop rotations on the Canadian prairies

The Science of The Total Environment, Journal Year: 2024, Volume and Issue: 935, P. 173335 - 173335

Published: May 17, 2024

Language: Английский

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Long-Term Straw Incorporation under Controlled Irrigation Improves Soil Quality of Paddy Field and Rice Yield in Northeast China

Plants, Journal Year: 2024, Volume and Issue: 13(10), P. 1357 - 1357

Published: May 14, 2024

Soil quality is an indicator of the ability to ensure ecological security and sustainable soil usage. The effects long-term straw incorporation different irrigation regimes on yield paddy fields in cold regions remain unclear. This study established four treatments: controlled + continuous for 3 years (C3), 7 (C7), flooded (F3), (F7). Analysis was conducted impact various physicochemical characteristics soil. index (SQI) rice computed using separate datasets each treatment. nitrate nitrogen, available phosphorus, organic carbon, matter contents C7 were 93.51%, 5.80%, 8.90%, 8.26% higher compared C3, respectively. In addition, treatment 5.18%, 4.89%, 10.32% than those F3, F7, validity minimum data set (MDS) verified by correlation, Ef ER, which indicated that MDS all treatments able provide a valid evaluation quality. based SQI 11.05%, 11.97%, 27.71% Overall, combined with increases regions. provides thorough assessment concerning preserve food sustainability agricultural output. Additionally, it offers basis diagnosis Northeast China.

Language: Английский

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Study on the Characteristics of Soil Depletion and Degradation in the Coal Fire Area of the Southern Junggar Coalfield, Xinjiang, China

Land Degradation and Development, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 30, 2025

ABSTRACT Coal mining can lead to coal spontaneous combustion, especially in arid and semi‐arid areas, soil suffer varying degrees of depletion degradation, which be harmful the regional eco‐environment. However, characteristics degradation are not yet clear fire there fewer quality assessments. In this study, we studied ions, nutrient their stoichiometric ratios at different sampling points thermal effects. The principal component analysis membership function were used calculate index (SQI) comprehensively evaluate impact effects on (SQ). results showed that cations dominated by Na + anions Cl − SO 4 2− , higher temperature, concentration . concentrations tended increase with increasing while opposite was true for K Soil organic carbon (SOC) increased Total nitrogen (N) content lower when heated 40°C 5 d, N:P ratio 8.99. degree time only than 70°C 10 20 indicated SQ initially affected temperature. using Sikeshu (SKS) area (SQI = 0.183) Wugong (WG) 0.281). homemade heating experiment, SQI raw soil. SQIs consistent d indicating effect low temperature a long high short equivalent. study provide theoretical basis improvement ecological restoration areas.

Language: Английский

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Identifying Key Indicators for Soil Quality Assessment in Reclaimed Loess Coal Mining Areas of China: A Case Study of the Suancigou Coal Mine, Inner Mongolia

Land Degradation and Development, Journal Year: 2025, Volume and Issue: unknown

Published: April 2, 2025

ABSTRACT Mining activities cause severe degradation of soil structure and nutrient loss, making land reclamation a crucial measure for restoring ecosystem functions in mining areas. Investigating the key indicators reconstructed quality their succession patterns enables robust assessment measures, providing scientific basis optimising strategies ecological management regions. Existing studies on have primarily focused general evaluations, with limited attention given to specific challenges associated soils reclaimed underground coal mine This study examines Suancigou Inner Mongolia, China. Ten physicochemical properties were selected as potential evaluation indicators. Through correlation analysis principal component analysis, minimum data set (MDS) was identified assessing lands, index (SQI) subsequently constructed. The findings revealed that: (1) different ages exhibit significant discrepancies at 0‐10 cm 10‐20 depths compared original landscape. Despite variations correlations among across depths, total nitrogen content (TNC), organic matter (SOM), hydrolysable available phosphorus consistently display strong synergistic relationships. (2) overall 0‐20 is influenced by pH, sand (SSD), silt (SST) TNC. Specifically, MDS layer includes bulk density, SSD, SST TNC, whereas layer, comprises SOM. (3) comprehensive followed order: OL > R ‐7a ‐11a ‐3a. By quantifying interrelationships attributes this streamlines system, offering theoretical foundations technical support evaluating

Language: Английский

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Influence of Land Use Types on Soil Properties and Soil Quality in Karst Regions of Southwest China

Agronomy, Journal Year: 2024, Volume and Issue: 14(5), P. 882 - 882

Published: April 23, 2024

Establishing a suitable and useful soil quality index (SQI) is the key to accurately evaluating changes in (SQ) under different land use types. In present study, SQI using minimum data set (MDS) with two scoring methods (linear method nonlinear method) additive models (simple model same weighting value weighted significant value) was established compare SQ uses Longtan valley. Soil samples were collected one dryland (DRYL), paddy (PADD), orchard (GRA), natural forest (FORE), 13 properties measured. The four types had type similar environmental conditions. Land effects on measured 12 properties. top principal components Principal Component Analysis chosen, their cumulative variance more than 90%. indicators of labile carbon, C/N ratio, microaggregates chosen as members MDS this study. Significant (p < 0.001) positive correlations among establishing SQIs found. values sensitive ranged from 47.17% 82.12% for SQIs, (SQI-NLW) highest values. Among types, change trends, average FORE (0.73) PADD (0.68) significantly higher those GRA (0.54) DRYL (0.43). These results indicated that SQI-NLW an effective precise tool assess regions, sustainable soils karst regions.

Language: Английский

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Soil Quality Evaluation and Driving Factor Analysis of Hippophae rhamnoides Plantations in Coal Mine Reclamation Areas Based on Different Restoration Durations

Forests, Journal Year: 2023, Volume and Issue: 14(7), P. 1425 - 1425

Published: July 12, 2023

The driving factors affecting soil quality were identified to evaluate the effect of vegetation on in coal mine reclamation areas with various restoration durations. This study used Hippophae rhamnoides subsp.sinensis Rousi different durations (3, 4, 5, 6, and 7 years) abandoned land area Juxinlong Ordos as research subject. Artificial grasslands selected study’s controls. A evaluation model was constructed assess area. structural equation thoroughly analyze findings show that: (1) Reclamation duration significantly affected physicochemical characteristics soil. As increased, nutrients such organic carbon accumulated while bulk density index (BD) decreased. (2) forest China highest after 6 years reclamation. lowest 4 differed from that (p < 0.05). (SQI) 6a (years) increased by 67.44% compared 4a. (3) By constructing a model, it found physical indicators (saturated water content silt) main drivers quality. SQI had strong interaction matter (OM) this will serve important guidelines for future quantitative following management during ecological process.

Language: Английский

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Impacts of land use changes on water conservation in the Songhuajiang River basin in Northeast China using the SWAT model

Agricultural Water Management, Journal Year: 2024, Volume and Issue: 306, P. 109185 - 109185

Published: Nov. 26, 2024

Language: Английский

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Fine-resolution baseline maps of soil nutrients in farmland of Jiangxi Province using digital soil mapping and interpretable machine learning

CATENA, Journal Year: 2024, Volume and Issue: 249, P. 108635 - 108635

Published: Dec. 9, 2024

Language: Английский

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Seasonal variations of soil functions affected by straw incorporation in croplands with different degradation degrees

Soil and Tillage Research, Journal Year: 2024, Volume and Issue: 248, P. 106426 - 106426

Published: Dec. 18, 2024

Language: Английский

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