Investigating the Characteristics and Drivers of Slow Droughts and Flash Droughts: A Multi‐Temporal Scale Drought Identification Framework

Water Resources Research, Год журнала: 2025, Номер 61(2)

Опубликована: Фев. 1, 2025

Abstract Global climate change has altered the characteristics of conventional drought events, with an increasing number Slow droughts (SD) rapidly transitioning into Flash (FD). This study introduces a novel multi‐temporal scale identification framework (MTSDIF) that classifies historical agricultural events three types: SD, FD, and Slow‐to‐Flash Drought (SFD). Based on MTSDIF, GLDAS‐Noah root zone soil moisture dataset was used to analyze spatiotemporal characteristics, evolution, driving factors in China. Our confirms effectiveness proposed MTSDIF classifying different onset speeds (SD, SFD). The results indicate that, from 1980 2020, types China exhibited short‐term, medium‐term, long‐term periodic oscillations. Before 2000, SD were predominant type China, but post‐2000, areas affected by FD SFD have been continuously expanding. Compared key meteorological elements influencing show anomalies exceeding 0.5 times standard deviation. In southeastern regions human‐impacted soils, leached incept soils exhibit higher response frequency FD. Sea surface temperature indices, including interannual El Niño‐Southern Oscillation Pacific interdecadal variations such as +PDO −AMO, significantly influence occurrence monsoon ( p < 0.01). Together, highlight necessity understanding disparities consistencies land‐atmosphere‐ocean mechanisms behind varying speeds.

Язык: Английский

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Effects of Sewage Sludge Compost on Carbon, Nitrogen, Phosphorus, and Sulfur Ratios and Soil Enzyme Activities in a Long-Term Experiment

Agronomy, Год журнала: 2025, Номер 15(1), С. 143 - 143

Опубликована: Янв. 9, 2025

The carbon, nitrogen, phosphorus, and sulfur (CNPS) ratios of soils are known to be relatively stable parameters, characterizing different land uses. We hypothesized that the long-term application sewage sludge compost (SSC) would not change these but increase concentration elements quality organic matter (OM), as well soil enzyme activities. Hence, chemical microbiological properties were studied in a 20-year experiment. plots grouped into five blocks treated every third year with SSC at rates 0, 9, 18, or 27 t ha−1. Three plants, crop rotation, tested sown follows: rye, rye hairy vetch, maize. results showed basic parameters (pH, OM content, E4/E6 ratio, NO3-NO2-N, AL-P2O5, moisture content) increased, along doses for rye. Similar trends found CNPS concentrations, β-glucosidase, alkaline phosphatase activities, while acidic activity was reduced. C:N, C:S, N:S affected by application. main factors treatment effects plant-available phosphorus (ammonium lactate (AL)-soluble P2O5), total P, based on principal component analysis. canonical correspondent analyses revealed activities C:P, N:P β-glucosidase correlated P forms pH strongly all enzymes. Based role microbes became more important increasing mobilization. conclude addition could improve health through pH, OM, nutrient microbial activity. Also, some elemental have an regulation

Язык: Английский

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Use of artificial intelligence in soybean breeding and production

Advances in agronomy, Год журнала: 2025, Номер unknown

Опубликована: Янв. 1, 2025

Язык: Английский

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Effect of Environmental Factors on Grassland Biodiversity and Biomass in the Zhangye Region

Agronomy, Год журнала: 2025, Номер 15(2), С. 476 - 476

Опубликована: Фев. 16, 2025

Grassland ecosystems, which are essential for biodiversity and ecosystem services, increasingly vulnerable to degradation, primarily driven by climate change soil variability. Understanding the influence of environmental factors on these indicators is critical addressing grassland degradation promoting sustainable land management practices. This study investigates factors, particularly temperature, precipitation, properties, species diversity biomass in arid semi-arid grasslands Zhangye region, China. Field sampling was performed at 63 sites collect data vegetation characteristics, biomass, complemented data. mechanisms through abiotic diversity. The results indicate that moisture relative humidity, as related significantly positively correlated with both thereby highlighting stress induced temperature ecosystems. Furthermore, bulk density pH were identified mediating indirectly their impact moisture. These findings underscore complex role climate–soil interactions shaping ecosystems offer insights developing adaptive strategies manage mitigate response change.

Язык: Английский

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Improving water infiltration in croplands mitigates the effects of extreme rainfall events

Environmental Earth Sciences, Год журнала: 2025, Номер 84(5)

Опубликована: Фев. 18, 2025

Язык: Английский

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Modelling sugarcane root elongation in response to mechanical stress as an indicator of soil physical quality

Experimental Agriculture, Год журнала: 2025, Номер 61

Опубликована: Янв. 1, 2025

Summary The root elongation rate represents a biophysical process that can be directly affected by mechanical, water, thermal, and gaseous stresses in the soil to used as physical quality indicator. objective of this study was determine sugarcane growth parameters under stress for different diameter classes an Oxisol from Southeast Brazil. experimental design entirely randomized factorial scheme 5 × 2 (mechanical water stress) with three replications. factor mechanical composed five compaction levels (1.04; 1.12; 1.19; 1.28; 1.36 Mg m – 3 ). two matric potentials (–6 kPa –33 kPa). Soil samples were collected 0.0–0.2 layer clayey texture. Pre-sprouted seedlings transplanted conditioned chamber. Root length, volume, surface area, quantified generate models function soil. penetration resistance increases 1.4 MPa reduced 3.5 1.35 cm day –1 (–59%) average number roots 11 6 segments (–45%), respectively. length because increase level. Coarse (1–2 mm) weakly impacted stress, whereas fine (0.5–1 more limited compacted soils. modelled stress. Mechanical mainly affects small diameter.

Язык: Английский

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Similar soil multifunctionality and function synergies, but with management trade-offs, in agricultural land covers

The Science of The Total Environment, Год журнала: 2025, Номер 968, С. 178866 - 178866

Опубликована: Фев. 21, 2025

Язык: Английский

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Although invisible, fungi are recognized as the engines of a microbial powerhouse that drives soil ecosystem services

Archives of Microbiology, Год журнала: 2025, Номер 207(4)

Опубликована: Март 6, 2025

Язык: Английский

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Optimizing Root Phenotypes for Compacted Soils: Enhancing Root‐Soil‐Microbe Interactions

Plant Cell & Environment, Год журнала: 2025, Номер unknown

Опубликована: Март 6, 2025

Soil compaction impedes root growth, reduces crop yields, and threatens global food security sustainable agriculture. Addressing this challenge requires a comprehensive understanding of root-soil interactions in compacted environments. This review examines key traits-architectural, anatomical, biochemical, biomechanical-that enhance plant resilience soils. We discuss how these traits influence penetration the formation more favorable soil pore structures, which are crucial for alleviating stress. Additionally, we explore molecular mechanisms underlying adaptation, identifying genetic biochemical factors that contribute to stress-tolerant phenotypes. The emphasizes role root-microbe boosting adaptability under compaction. By integrating insights, propose framework breeding crops with resilient systems thrive high strength, supporting agricultural practices essential amidst environmental challenges.

Язык: Английский

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Application of unsegregated municipal solid waste char produced at low temperature and vermicompost for remediation of coal mine tailing soil

Environmental Geochemistry and Health, Год журнала: 2025, Номер 47(5)

Опубликована: Март 28, 2025

Язык: Английский

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