Impact of Substrates, Volatile Fatty Acids, and Microbial Communities on Biohydrogen Production: A Systematic Review and Meta-Analysis DOI Open Access
A.A. Jalil, Zhisheng Yu

Sustainability, Journal Year: 2024, Volume and Issue: 16(23), P. 10755 - 10755

Published: Dec. 8, 2024

Hydrogen is becoming recognized as a clean and sustainable energy carrier, with microbial fermentation electrolysis serving critical roles in its production. This paper provides thorough meta-analysis of BioH2 production across diverse substrates, populations, experimental settings. Statistical techniques, including ANOVA, principal component analysis (PCA), heatmaps, were used to evaluate the influence various parameters on hydrogen yield. The mean generation from reviewed studies was 168.57 ± 52.09 mL H2/g substrate, food waste glucose demonstrating considerably greater than mixed (p < 0.05). inhibition methanogens inhibitors like 2-bromoethanesulfonate (BES) chloramphenicol (CES) enhanced by much 25%, demonstrated cell systems. PCA results highlighted Clostridium spp., Thermotoga Desulfovibrio spp. most dominant species, contributing up 80% YH2 study highlights synergistic interactions between less species under optimized environmental conditions (pH 5.5–6.0, 65 °C), emphasizing their complementary enhancing H2 Volatile fatty acid regulation, particularly acetate butyrate accumulation, correlated positively (r = 0.75, p 0.01). These findings provide insights into optimizing biohydrogen systems through consortia management substrate selection, offering potential way for scalable efficient

Language: Английский

Effects of Increasing CO2 Concentration on Crop Growth and Soil Ammonia-Oxidizing Microorganisms in a Fababean (Vicia faba L.) and Wheat (Triticum aestivum Yunmai) Intercropping System DOI Creative Commons
Xingshui Dong, Hui Lin,

Feng Wang

et al.

Plants, Journal Year: 2025, Volume and Issue: 14(4), P. 516 - 516

Published: Feb. 8, 2025

Elevated carbon dioxide (eCO2) levels can enhance crop yields but may simultaneously reduce quality, impacting both macronutrient and micronutrient concentrations, potentially decreasing protein content in cereal grains. This study examined the effects of elevated CO2 nitrogen (N) fertilization on growth, yield, soil cycling through a glass greenhouse experiment using Eutric Regosol soil. The experimental design incorporated two gradients: ambient (aCO2) at approximately 410 ppm during day 460 night, eCO2 550 610 night. Additionally, treatments were applied: no fertilizer (N0) 100 mg N kg-1 dry weight (DW) (N100). Crops cultivated under cropping systems: monoculturing fababean (Vicia faba L.) or wheat (Triticum aestivum Yunmai) intercropping species. results demonstrated that significantly enhanced growth yield wheat, particularly when was applied. Nitrogen application did not always considering complexity management conditions. Furthermore, presented multiple advantages, including improved yields, health, increased ecosystem services. These findings suggest serve as sustainable strategy to boost productivity resilience face climate change. changes concentration affect gene copy number ammonia-oxidizing bacteria archaea, which process There are complex interactions between biomass, accumulation, transpiration rate, photosynthetic rate stomatal conductance with properties (e.g., pH, organic matter, content) microbial community structure. interaction concentration, level pattern had significant communities. Future research should prioritize investigating long-term development strategies optimize benefits this system.

Language: Английский

Citations

0
Why not all productivity leads to carbon sequestration: the role of plant carbon surplus, allocation, and the Gadgil effect DOI
Asko Noormets

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

Published: Jan. 27, 2025

Abstract Increasing plant productivity is considered as the way to maximize carbon sequestration potential of forests. However, changes in vegetation and soil stores often exhibit a puzzling divergence. Greater associated with smaller rather than larger pool. In present report, I review microbial processes that elucidate this phenomenon. Different growth-limiting factors affect allocation (the relative sink strength plants, symbiotic fungi, free-living saprotrophs), biomass chemical composition, its nitrogen stoichiometry, decomposition differently. The appears coordinated through detritus chemistry, asymmetric competition for carbohydrates between mycorrhizal saprotrophic suppression some extracellular enzymes by acidification under addition (that increases strength) but not elevated dioxide supply). net effect these interactions positive correlation accumulation environments negative one others.

Language: Английский

Citations

0
Impacts of bacterivorous nematode identity and abundances on soil greenhouse gas emissions DOI Creative Commons
Yao Yu, Xianwen Long, Ya‐Ping Lin

et al.

Climate smart agriculture., Journal Year: 2025, Volume and Issue: unknown, P. 100049 - 100049

Published: Feb. 1, 2025

Language: Английский

Citations

0
Pyrolysis and gasification of energy crops for phytoremediation in Romania’s coal mining region DOI Creative Commons

Antoaneta Roman,

Felicia Bucura,

Oana Romina Botoran

et al.

International Journal of Green Energy, Journal Year: 2025, Volume and Issue: unknown, P. 1 - 18

Published: Feb. 27, 2025

Language: Английский

Citations

0
Development of an Evaluation Indicator System for Medium–Low Yield Farmlands on the Basis of the Synergistic Improvement of Soil Carbon Sequestration and Production Capacity: A Theoretical Framework DOI Creative Commons
Hongbin Liu,

Hebin Zhang,

Shuai Wang

et al.

Agronomy, Journal Year: 2025, Volume and Issue: 15(5), P. 1086 - 1086

Published: April 29, 2025

This study aims to systematically examine the concept and characteristics of medium–low yield farmland (MLYF), identify key factors influencing coordination between soil carbon sequestration (SCS) production capacity (PC) in MLYF, develop an evaluation indicator system (EIS) provide innovative approaches for transforming MLYF enhance food security emission reduction capabilities. Focusing on synergistic improvement SCS PC this research employs theoretical analysis, systematic inference, inductive deduction analyze relationships these construct EIS. The findings reveal that (1) is characterized by inherent limitations suboptimal management practices, resulting low grain but significant potential improvement. (2) A positive correlation exists organic (SOC) content crop yield, with demonstrating substantially greater than high-yield fields. (3) On basis science principles, affecting enhancement productivity include climatic conditions, properties, biological factors. (4) comprehensive “Demand-Function-Dimension-Element-Indicator” framework was established, incorporating EIS designed national, provincial, city/county levels address requirements across various scales, thereby facilitating quality contributes understanding transformation, offering valuable insights ensuring national achieving goals.

Language: Английский

Citations

0
Impact of Substrates, Volatile Fatty Acids, and Microbial Communities on Biohydrogen Production: A Systematic Review and Meta-Analysis DOI Open Access
A.A. Jalil, Zhisheng Yu

Sustainability, Journal Year: 2024, Volume and Issue: 16(23), P. 10755 - 10755

Published: Dec. 8, 2024

Hydrogen is becoming recognized as a clean and sustainable energy carrier, with microbial fermentation electrolysis serving critical roles in its production. This paper provides thorough meta-analysis of BioH2 production across diverse substrates, populations, experimental settings. Statistical techniques, including ANOVA, principal component analysis (PCA), heatmaps, were used to evaluate the influence various parameters on hydrogen yield. The mean generation from reviewed studies was 168.57 ± 52.09 mL H2/g substrate, food waste glucose demonstrating considerably greater than mixed (p < 0.05). inhibition methanogens inhibitors like 2-bromoethanesulfonate (BES) chloramphenicol (CES) enhanced by much 25%, demonstrated cell systems. PCA results highlighted Clostridium spp., Thermotoga Desulfovibrio spp. most dominant species, contributing up 80% YH2 study highlights synergistic interactions between less species under optimized environmental conditions (pH 5.5–6.0, 65 °C), emphasizing their complementary enhancing H2 Volatile fatty acid regulation, particularly acetate butyrate accumulation, correlated positively (r = 0.75, p 0.01). These findings provide insights into optimizing biohydrogen systems through consortia management substrate selection, offering potential way for scalable efficient

Language: Английский

Citations

1