Effect of mulched drip irrigation on crop biomass and carbon fluxes in maize field DOI Creative Commons
Hui Guo, Xuhui Wang,

Yahui Wang

et al.

Agricultural Water Management, Journal Year: 2024, Volume and Issue: 303, P. 109016 - 109016

Published: Aug. 24, 2024

The agroecosystem, a critical component of the terrestrial carbon cycle, plays an indispensable role in maintaining balance pools and ensuring global food security. Investigating interplay between crop yield cycle is essential for advancement sustainable agricultural practices. In quest water-efficient solutions, mulched drip irrigation emerges as promising technique to mitigate water scarcity agriculture. arid regions northwest China, where precious resource, understanding impact methods on productivity dynamics crops like spring maize critical. Our study aimed evaluate influence two methods—mulched (DI) border (BI)—on biomass accumulation fluxes by field observation DNDC model simulation comparative analysis. findings based flux data, underscore transformative potential shifting from BI DI. DI was found significantly enhance soil's hydrothermal environment, which crucial fostering optimal conditions growth. This improvement instrumental promoting allocation photosynthetic products aboveground biomass, ultimately leading substantial increase grain yield. results indicated that treatment not only bolstered gross primary (GPP) but also elevated ecosystem respiration (RE) compared treatment. Finally, can net (NEP) fields 6.08 %. Denitrification-Decomposition (DNDC) model, after calibration validation, proved be reliable tool estimating under systems. A thorough analysis simulated data revealed DI's enhancement environment led soil heterotrophic respiration. insight vital it sheds light complex interactions practices microbial processes, are integral cycle. These contribute growing body knowledge provide theoretical foundation strategies at achieving neutrality. By adopting data-driven approaches leveraging advanced models, we pave way more resilient future harmoniously balances environmental stewardship.

Language: Английский

Unlocking Soil Health: Are Microbial Functional Genes Effective Indicators? DOI Creative Commons
Jiyu Jia, R.G.M. de Goede, Yizan Li

et al.

Soil Biology and Biochemistry, Journal Year: 2025, Volume and Issue: unknown, P. 109768 - 109768

Published: Feb. 1, 2025

Language: Английский

Citations

2
Differential roles of deterministic and stochastic processes in structuring soil bacterial ecotypes across terrestrial ecosystems DOI Creative Commons
Mia Riddley,

Shannon Hepp,

FNU Hardeep

et al.

Nature Communications, Journal Year: 2025, Volume and Issue: 16(1)

Published: March 8, 2025

Soil bacteria are vital to ecosystem resilience and resistance, yet ecological attributes the drivers governing their composition distribution, especially for taxa varying in traits inhabiting different ecosystems, not fully understood. Here, we analyzed a large-scale bacterial community environmental dataset of 622 soil samples systematically collected by us from six major terrestrial ecosystems across United States. We show that diversity significantly differ among ecotypes partially determined few universal abiotic factors (e.g., pH, calcium, aluminum) several ecotype- or ecosystem-specific drivers. Co-occurrence network analysis suggests rare have stronger relevance than abundant taxa. Ecological models revealed deterministic processes shape assembly generalists, while stochastic played greater role specialists. Also, communities shrubland appear be more sensitive changes other evidenced lowest diversity, least connected network, strongest local selection driven surrounding land use. Overall, this study reveals mechanisms underlying biogeography nationwide highlights need preserve biosphere amid disturbance. Determinants microbial structure less well studied. Riddley et al. profile biogeographic patterns, identify key distinct roles shaping ecotype ecosystems.

Language: Английский

Citations

2
Context Matters: Soil Ecosystem Status Varies across Diverse Conservation Agriculture Systems DOI Creative Commons
Gerhard Du Preez,

Ané Loggenberg,

Driekie Fourie

et al.

Journal of soil science and plant nutrition, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 11, 2025

Language: Английский

Citations

1
Heavy metal effects on multitrophic level microbial communities and insights for ecological restoration of an abandoned electroplating factory site DOI
Xuehua Wang, Zhongmin Dai,

Haochun Zhao

et al.

Environmental Pollution, Journal Year: 2023, Volume and Issue: 327, P. 121548 - 121548

Published: April 1, 2023

Language: Английский

Citations

21
Unraveling plant–microbe interactions: can integrated omics approaches offer concrete answers? DOI Creative Commons

Roy Njoroge Kimotho,

Solomon Maina

Journal of Experimental Botany, Journal Year: 2023, Volume and Issue: 75(5), P. 1289 - 1313

Published: Nov. 9, 2023

Abstract Advances in high throughput omics techniques provide avenues to decipher plant microbiomes. However, there is limited information on how integrated informatics can help deeper insights into plant–microbe interactions a concerted way. Integrating multi-omics datasets transform our understanding of the microbiome from unspecified genetic influences interacting species specific gene-by-gene interactions. Here, we highlight recent progress and emerging strategies crop research review key aspects integration host microbial omics-based be used comprehensive outline complex crop–microbe We describe these technological advances have helped unravel crucial genes pathways that control beneficial, pathogenic, commensal identify knowledge gaps synthesize current limitations approaches. studies which multi-omics-based approaches led improved models community structure function. Finally, recommend holistic integrating achieve precision efficiency data analysis, for biotic abiotic stress contribution microbiota shaping fitness.

Language: Английский

Citations

21
Tillage homogenizes soil bacterial communities in microaggregate fractions by facilitating dispersal DOI Creative Commons
Jaimie R. West, Joseph G. Lauer, Thea Whitman

et al.

Soil Biology and Biochemistry, Journal Year: 2023, Volume and Issue: 186, P. 109181 - 109181

Published: Sept. 19, 2023

Soil aggregation physically protects soil organic matter and promotes carbon persistence through microaggregate formation organo-mineral associations. Tillage is a ubiquitous disturbance to arable that disrupts aggregation, thus affecting microbial resource availability, microhabitat conditions, interactions. We investigated how tillage affects bacterial community composition of fractions (53–250 μm), specifically the free fraction in bulk occluded within macroaggregates, using two long-term vs. no-tillage experiments southern WI, U.S., represent different silt loam soils (Alfisol Mollisol). applied 16 S rRNA gene amplicon sequencing characterize effects on communities by relating compositional changes ecological assembly patterns various tillage-driven environment, including aggregate size distribution content. homogenized communities, as quantified increased similarity at both within-plot between-plot scales, was increasingly influenced homogenizing dispersal with tillage. did not identify major distinctions between fractions, highlighting microaggregates readily shift these operationally defined temperate annual cropping systems, where environment subject drastic seasonal are exacerbated By identifying influential processes analyzing we improve our understanding response disturbance, potential mechanisms which disturbances like affect persistence.

Language: Английский

Citations

16
Substrate Utilization and Competitive Interactions Among Soil Bacteria Vary With Life-History Strategies DOI Creative Commons
Ying Wang, Roland C. Wilhelm, Tami L. Swenson

et al.

Frontiers in Microbiology, Journal Year: 2022, Volume and Issue: 13

Published: June 9, 2022

Microorganisms have evolved various life-history strategies to survive fluctuating resource conditions in soils. However, it remains elusive how the of microorganisms influence their processing organic carbon, which may affect microbial interactions and carbon cycling Here, we characterized genomic traits, exometabolite profiles, soil bacteria representing copiotrophic oligotrophic strategists. Isolates were selected based on differences ribosomal RNA operon (

Language: Английский

Citations

19
Evaluation of farmland soil health and optimization of evaluation system under different green manure applications in a semi‐arid irrigation area DOI
Xinyue Wang,

Jiudong Zhang,

Yiming Zhao

et al.

Land Degradation and Development, Journal Year: 2024, Volume and Issue: 35(5), P. 1913 - 1926

Published: Jan. 14, 2024

Abstract Healthy soil is essential for maintaining food security and enhancing ecosystem functions. Green manure application improves fertility an alternative to chemical fertilizers; however, research on optimizing health assessment systems providing comprehensive accurate information local farmland green management models remains limited. In this study, we used maize potato intercropped with in the main crop production area of a semi‐arid irrigation Northwest China as object, integrated regional environment characteristics, principal component analysis other methods establish minimum index data set including physicochemical, biological, yield indices. A system applicable study region was constructed optimized by drawing scoring curve. The results showed that treatment exerted positive effect bulk density, nutrient content, extracellular enzyme activity, fields. This evaluation method both treatments could improve two major fields, scores 6.9 (3.7–8.6) 6.2 (4.5–7.0) farmland, respectively, greater caused maize. can not only reflect conditions accurately given areas northwest but also provide reference promotion organic fertilizers such resolution differences.

Language: Английский

Citations

4
Single-cell imaging of the lytic phage life cycle in bacteria DOI Creative Commons
Charlie Wedd, T. S. Yunusov, Aaron T. Smith

et al.

bioRxiv (Cold Spring Harbor Laboratory), Journal Year: 2024, Volume and Issue: unknown

Published: April 11, 2024

Abstract When a lytic bacteriophage infects bacterial cell, it commandeers the cell’s resources to replicate, ultimately causing cell lysis and release of new virions. As phages function as obligate parasites, each stage infection process depends on physiological parameters host cell. Given inherent variability physiology, we ask how phage dynamic reflects such heterogeneity. Here, introduce an imaging assay for investigating kinetics individual steps by single T7 bacterium. The high-throughput, time-resolved nature allows us monitor progression simultaneously in multiple cells, revealing substantial heterogeneity step correlations between dynamics properties infected Simulations competing populations with distinct time distributions indicate that this can have considerable impact fitness, recognising potential evolutionary driver phage-bacteria interactions.

Language: Английский

Citations

4
Recent advances in experimental design of synthetic microbial communities for biocontrol application DOI
Bappa Karmakar, Dwipendra Thakuria, Ramie H. Begum

et al.

BioControl, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 21, 2025

Language: Английский

Citations

0