Environmental Technology & Innovation最新文献

{"title":"Enhancing rice productivity in wastewater-irrigated saline Cd-contaminated soils using microbial-nanoparticle synergy","authors":"Emad M. Hafez ,&nbsp;Yan Gao ,&nbsp;Honggui La ,&nbsp;Khadiga Alharbi ,&nbsp;Maha M. Hamada ,&nbsp;Alaa El-Dein Omara ,&nbsp;Tarek Alshaal","doi":"10.1016/j.eti.2025.104253","DOIUrl":"10.1016/j.eti.2025.104253","url":null,"abstract":"<div><div>Soil salinity and cadmium (Cd) contamination pose significant threats to agricultural productivity and food security, particularly in rice-growing regions. This study investigates the synergistic effects of plant growth-promoting rhizobacteria (PGPRs) (<em>Pseudomonas koreensis</em>, <em>Bacillus coagulans</em>, and <em>Pseudomonas stutzeri</em>) and selenium nanoparticles (SeNPs) in remediating saline Cd-contaminated soils and enhancing rice (<em>Oryza sativa</em> L.) performance. Over two consecutive growing seasons (2022–2023), the combined application of PGPRs and SeNPs significantly improved soil health, reducing soil pH from 8.50 to 8.02 and electrical conductivity (EC_e) from 5.97 to 4.01 dS m⁻¹ , while increasing soil organic matter (SOM) by 6.5 % and cation exchange capacity (CEC) by 25.6 %. The treatment also reduced soil Cd content by 34.6 %, from 0.81 to 0.53 mg kg⁻¹ , and decreased Cd accumulation in rice roots, shoots, and seeds by 56.7 %, 65.0 %, and 50.0 %, respectively, ensuring safer rice grain production. Furthermore, SeNPs significantly enhanced selenium (Se) content in rice shoots and seeds, with Se levels increasing from 0.55 to 1.47 µg g⁻¹ in shoots and from 0.01 to 0.51 µg g⁻¹ in seeds, highlighting their role in improving rice nutritional quality. Physiological analyses revealed enhanced photosynthetic pigment concentrations, with chlorophyll a increasing by 112.3 % and carotenoids by 213.6 %, alongside a 101.9 % increase in superoxide dismutase (SOD) activity under the combined treatment. These improvements translated into a 25.0 % increase in grain yield, from 5.76 to 7.24 ton ha⁻¹ , and a 21.4 % increase in 1000-grain weight. The findings highlight the efficacy of PGPRs and SeNPs in mitigating oxidative stress, improving nutrient uptake, reducing Cd toxicity, and enhancing rice productivity under combined salinity and Cd stress. This study provides a novel, eco-friendly strategy for sustainable soil remediation and crop production in contaminated environments, offering significant implications for global food security and agricultural sustainability.</div></div>","PeriodicalId":11725,"journal":{"name":"Environmental Technology & Innovation","volume":"39 ","pages":"Article 104253"},"PeriodicalIF":6.7,"publicationDate":"2025-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144070556","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effect of temperature, pH and reaction time on alkali-thermal pretreatment of poly(3-hydroxybutyrate): Enhancing solubilization and anaerobic CH4 production","authors":"Minjae Kim ,&nbsp;Minsu Song ,&nbsp;Trang Thi Nhu Le ,&nbsp;Chaeyoung Rhee ,&nbsp;Mi Na Rhie ,&nbsp;Seung Gu Shin ,&nbsp;Joonyeob Lee","doi":"10.1016/j.eti.2025.104261","DOIUrl":"10.1016/j.eti.2025.104261","url":null,"abstract":"<div><div>The effects of alkali-thermal pretreatment with operational parameters (temperature: 37–91 °C, pH: 7–13, pretreatment time: 24–120 hr) on the solubilization and the consecutive anaerobic digestion of poly(3-hydroxybutyrate), P3HB, was investigated using the tests with 3²×4 full factorial design. Near-complete solubilization of P3HB (99.6 %) was attained through the alkali-thermal pretreatment. Alkali-thermal pretreatment of P3HB significantly improved CH₄ production, resulting in 23-fold enhancement in the CH₄ production rate (73 mL CH₄/g VSS/d) and an 88 % reduction in elapsed batch time for complete anaerobic digestion, with a CH₄ yield of 380 mL CH₄/g COD. Pretreatment factors, particularly pH, exerted significant effects and showed synergistic effects with temperature. This study integrated factorial design, response surface modeling, and microbial analysis to offer a comprehensive understanding of how pretreatment conditions affected both performance and microbial dynamics in P3HB anaerobic digestion. Response surface analysis with partial cubic models successfully quantified these relationships, and strong positive correlations between solubilization and CH₄ yield were observed. Distinct bacteria and archaea communities proliferated during the anaerobic digestion of pretreated versus unpretreated P3HB. Spirochaetaceae, <em>Syntrophomonas</em>, <em>Mesotoga</em>, Christensenellaceae R-7 group, and <em>Sedimentibacter</em>, along with methanogens such as <em>Methanosaeta</em> and <em>candidatus Methanofastidiosum</em>, were identified as key contributors to the anaerobic digestion of P3HB. These findings support that optimized alkali-thermal pretreatment significantly enhances the anaerobic digestion of P3HB, underscoring the potential of P3HB wastes as prospective feedstocks for anaerobic digestion process.</div></div>","PeriodicalId":11725,"journal":{"name":"Environmental Technology & Innovation","volume":"39 ","pages":"Article 104261"},"PeriodicalIF":6.7,"publicationDate":"2025-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143949124","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Enhanced degradation of the UV filter phenylbenzimidazole sulfonic acid in water via UV-activated percarbonate","authors":"Webber Wei-Po Lai ,&nbsp;Yu-Wei Ding ,&nbsp;Yi-Chia Chien ,&nbsp;Szu-Wei Hsiao ,&nbsp;Yan-Zi Liao","doi":"10.1016/j.eti.2025.104257","DOIUrl":"10.1016/j.eti.2025.104257","url":null,"abstract":"<div><div>The emergence of UV filters in aquatic environments is a significant environmental concern because of their persistent nature and potential toxicity to ecosystems. However, an efficient treatment for eliminating UV filters from water has yet to be discovered. In this study, a UV-activated sodium percarbonate (UV/SPC) process was explored for the degradation of a commonly used UV filter: phenylbenzimidazole sulfonic acid (PBSA). Owing to the synergistic effect in the UV/SPC process, PBSA was completely removed from the water within 15 minutes. On the basis of the results from the EPR and probe experiments, the reactive species •OH, CO₃•^–, O₂•^–, and ¹O₂ were involved in PBSA degradation. During the UV/SPC reaction, PBSA underwent several main pathways, including i) hydroxylation, ii) oxidation, iii) imidazoline ring cleavage, iv) desulfonation, and v) benzene ring cleavage, further transforming into byproducts. Moreover, no obvious Microtox® toxicity was observed after UV/SPC treatment. The crucial parameters that affected PBSA degradation were the solution pH, SPC concentration and initial PBSA concentration. In addition, the pseudo-first-order rate constant (k_obs) decreased as the pH and PBSA concentration increased, whereas it increased with increasing SPC concentration. Additionally, in real water systems, PBSA was completely removed within 50 minutes by UV/SPC. In this work, comprehensive data on the mechanism of PBSA degradation and a promising treatment method for removing PBSA from water were provided.</div></div>","PeriodicalId":11725,"journal":{"name":"Environmental Technology & Innovation","volume":"39 ","pages":"Article 104257"},"PeriodicalIF":6.7,"publicationDate":"2025-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144070726","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Efficiency of tropical plants and smart green wall on reduction of fine particulate matters (PM2.5 and PM0.3–1.1) in a closed-system chamber","authors":"Janjira Muenrew ,&nbsp;Sarayut Rakarcha ,&nbsp;Anchalee nuammee ,&nbsp;Prateep Panyadee ,&nbsp;Wittaya Tala ,&nbsp;Nuttipon Yabueng ,&nbsp;Somporn Chantara","doi":"10.1016/j.eti.2025.104268","DOIUrl":"10.1016/j.eti.2025.104268","url":null,"abstract":"<div><div>This study investigates the effectiveness of plant species in reducing ambient fine particulate matter (PM). Among 10 tested species in a closed-system chamber, <em>Spathiphyllum cannifolium</em> achieved the highest PM_2.5 reduction (26 %), followed by <em>Nephrolepis cordifolia</em> (22 %) and <em>Tabernaemontana divaricata</em> (17 %). The superior performance of <em>S. cannifolium</em> is likely attributed to its morphological features, including a grooved leaf surface, large leaf area, and stomata on both leaf sides. A smart green wall combining these 10 plant species was evaluated for its efficiency in reducing PM_2.5 and size-fractionated PMs (PM_0.3–9.0) in a 64-m³ chamber filled with particulate matter generated from forest leaf burning. Initial PM_2.5 concentrations in the chamber were approximately 300 µg/m³ . A room with smart green walls and an empty room (control) were the two situations investigated. The temperature ranged from 26.5°C to 28.5°C, relative humidity from 39.5 % to 40.5 %, and light intensity ranged from 2620 to 2650 lux. The results showed that, PM_2.5 concentrations in empty rooms or controlled condition without smart green walls were reduced from 300 µg/m³ to 121 µg/m³ within one hour. The smart green wall reduced PM_2.5 from 300 µg/m³ to 89 µg/m³ within one hour. In the initial stage of dry leaf burning, the aerosol concentration peaked at nearly 200,000 particles/cm³ , with fine particles (PM_0.3–0.65) accounting for the majority. The Smart Green Wall reduced fine particles by 39–41 % of the total count. While this suggests some potential for PM reduction in micro-scale urban settings, real-world effectiveness would depend on environmental conditions.</div></div>","PeriodicalId":11725,"journal":{"name":"Environmental Technology & Innovation","volume":"39 ","pages":"Article 104268"},"PeriodicalIF":6.7,"publicationDate":"2025-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144084253","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Innovative optimization of modified waste cotton cloth biofilm reactor for sustainable domestic wastewater treatment","authors":"Mansuur Husein ,&nbsp;Ru-Jin Zhao ,&nbsp;Liang Cheng ,&nbsp;Hany S. El-Mesery ,&nbsp;Sakinatu Issaka ,&nbsp;Ali Salem ,&nbsp;Abdallah Abdelfattah","doi":"10.1016/j.eti.2025.104236","DOIUrl":"10.1016/j.eti.2025.104236","url":null,"abstract":"<div><div>This study evaluated the performance of a Modified Waste Cotton Cloth Biofilm Reactor (MWCC-BR) as a novel and low-cost biofilm carrier for optimizing domestic wastewater treatment in a decentralized system. The study employed an orthogonal experimental (OE) design and Principal Component Analysis (PCA) to assess the impact of key operational parameters, including hydraulic retention time (HRT), dissolved oxygen (DO), temperature, and filling rate (FR), on the removal efficiencies (RE) of chemical oxygen demand (COD), total phosphorus (TP), and ammonium nitrogen (NH₄⁺-N). The PCA revealed significant correlations between influent characteristics and treatment performance, with higher influent COD and TP concentrations enhancing pollutant degradation. It also provided valuable insights for optimizing system performance and offered a robust framework for real-world applications. Under optimal conditions, MWCC-BR achieved RE of 96.5 % for COD, 82.8 % for NH₄⁺-N, and 60.1 % for TP. This study demonstrates the potential of MWCC-BR to align with Sustainable Development Goal 6 (clean water and sanitation) by providing a cost-effective, environmentally friendly solution for wastewater treatment, solid waste recycling, and environmental protection.</div></div>","PeriodicalId":11725,"journal":{"name":"Environmental Technology & Innovation","volume":"39 ","pages":"Article 104236"},"PeriodicalIF":6.7,"publicationDate":"2025-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143949119","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Remediation of multi-metal contaminated soil using cow dung and its biochar: Effects on heavy metal uptake and soil microbiome in Triticum aestivum L","authors":"Tao Tang ,&nbsp;Peng Zeng ,&nbsp;Jiang-Yao Wang ,&nbsp;Jiao-Feng Gu ,&nbsp;Chen-Feng Liu ,&nbsp;Yun-Song Mu ,&nbsp;Yong-Fu Liu ,&nbsp;Hang Zhou ,&nbsp;Zi-Yu Han","doi":"10.1016/j.eti.2025.104243","DOIUrl":"10.1016/j.eti.2025.104243","url":null,"abstract":"<div><div>Multi-metals contamination in agriculture soil poses a significant challenge, threatening wheat quality. The effects of cow dung (CD) and cow dung biochar (CDB) applied to contaminated soil on heavy metals (HMs) uptake and microbial diversity in wheat were tested with pot experiment. CD and CDB applications reduced soil Cd/Zn ratio by 30 % and inhibited Cd uptake by wheat roots. Compared to the CK, CD doses of 0.5 %, 1 %, and 2 % reduced Cd content in grains by 12.7 %, 37.0 %, and 35.3 %, respectively, and CDB doses of 0.05 %, 0.1 %, and 0.2 % reduced it by 16.7 %, 27.7 %, and 51.9 %, respectively. CD and CDB changed the HMs fraction distribution in the soil and reduced the proportion of acid-extractable and Fe-Mn oxidized fractions. The significant negative correlation between the acid-extractable fractions of Cd and Pb in soil and pH, confirming that increased pH reduces the acid-extractable fraction of HMs in soils. CD reduced the α-diversity of soil microorganisms, but the total number of edges, nodes, and microbial taxa positive correlation ratio increased by 168 %, 34.5 %, and 9.97 %, respectively, resulting in more complex and tightly packed soil microbial network structure. Signature microorganisms such as <em>Alphaproteobacteria</em>, <em>Mycobacterium spp</em>. and <em>Rhizobium spp.</em> appeared in 1 % and 2 % of the dosage CD treatments, furthermore the abundance of metabolism-related genes such as amino acid synthesis, organic matter metabolism and citrate cycle were upregulated, which was favorable for soil nutrient cycling and transformation. Applying CD can mitigate wheat HMs uptake, improving crop safety and soil health and promoting eco-friendly agricultural practices.</div></div>","PeriodicalId":11725,"journal":{"name":"Environmental Technology & Innovation","volume":"39 ","pages":"Article 104243"},"PeriodicalIF":6.7,"publicationDate":"2025-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143949122","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Dynamic multi-objective optimization of rice irrigation integrating crop growth and water cycle dynamics: Promoting synergies in water conservation, production enhancement, and emission reduction","authors":"Aizheng Yang ,&nbsp;Zhenyi Sun ,&nbsp;Pingan Zhang ,&nbsp;Kun Hu ,&nbsp;Shuyuan Luo ,&nbsp;Wenhao Dong ,&nbsp;Mo Li","doi":"10.1016/j.eti.2025.104241","DOIUrl":"10.1016/j.eti.2025.104241","url":null,"abstract":"<div><div>An optimized rice irrigation system is critical not only for conserving water resources and ensuring global food security, but also for mitigating environmental pollution caused by inefficient water use and excessive carbon emissions. This study, conducted in the Changgang Irrigation District of Lanxi County, integrates daily rice physiological growth data and meteorological parameters with the EPIC crop growth model, the crop photosynthetic production model, and hydrological cycle dynamics. A multi-objective optimization and regulation model is formulated to achieve synergistic goals of water conservation, emission reduction, and production enhancement through dynamic irrigation control. Results demonstrate that the optimized strategy reduces water use by 12.56 %, improves water use efficiency by 2.11 %, increases yield by 3.05 %, and decreases the carbon footprint by 7.80 % compared to the current irrigation scenario. Incorporating CMIP6 climate change scenario models into the optimization framework further reveals that the irrigation requirement is lowest under the SSP126–2023–2030 scenario and highest under the SSP126–2031–2040 scenario. Future climate warming accelerates rice maturation and shortens the growing period, increasing irrigation demand in June and July while reducing it in August. This study provides a scientific basis for optimizing irrigation schedules under changing climatic conditions, addressing challenges of water scarcity, emissions, and productivity. The findings offer practical decision-making tools to achieve sustainable agricultural water management and enhance rice production efficiency.</div></div>","PeriodicalId":11725,"journal":{"name":"Environmental Technology & Innovation","volume":"39 ","pages":"Article 104241"},"PeriodicalIF":6.7,"publicationDate":"2025-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143949120","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Distribution, sources, and transport of microplastics in a karst river of Southwest China","authors":"YingZeng Yang ,&nbsp;Xiao Ma ,&nbsp;Shaoqi Zhou ,&nbsp;Laifeng Zhou","doi":"10.1016/j.eti.2025.104252","DOIUrl":"10.1016/j.eti.2025.104252","url":null,"abstract":"<div><div>Microplastics (MPs) have emerged as a significant pollutant in riverine ecosystems, yet their transport and distribution in karst rivers remain largely unexplored. This study examines MPs (20–500 μm) in surface water and sediments of the Wuma River, a karst river in Southwest China. Key findings indicate that abundance of MPs ranged from 4 to 122 n/L in surface water and 1702.25 to 16,594.73 n/kg in sediments, with fragments (∼90 %) dominating. More than 85 % of MPs fall within the 20–100 μm size range, with polyurethane (PU) and polyethylene terephthalate (PET) as the most prevalent polymers. MPs mainly originate from residential activities, agriculture, riverbank tourism, and tire and road abrasion. Karst river channel characteristics play a significant role in MPs retention. Overflow dams increase retention of smaller-sized MPs (20–50 μm), while underground river networks, large boulders, and riparian vegetation influence downstream movement and redistribution. Additionally, river dredging effectively reduces MPs accumulation in sediments. The results advances understanding of MPs behavior in karst fluvial systems, emphasizing the necessity for targeted mitigation strategies to protect these ecologically fragile environments.</div></div>","PeriodicalId":11725,"journal":{"name":"Environmental Technology & Innovation","volume":"39 ","pages":"Article 104252"},"PeriodicalIF":6.7,"publicationDate":"2025-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143949125","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Napyradiomycin-based coatings: Promising eco-friendly, sustainable and circular solutions for effective marine antibiofouling","authors":"Isabel Pereira ,&nbsp;Helena Macedo ,&nbsp;Inês Ferreira ,&nbsp;Bárbara Gonçalves ,&nbsp;Susana Piçarra ,&nbsp;Rita G. Sobral ,&nbsp;Mário Diniz ,&nbsp;Susana P. Gaudêncio","doi":"10.1016/j.eti.2025.104248","DOIUrl":"10.1016/j.eti.2025.104248","url":null,"abstract":"<div><div>This study introduces a groundbreaking approach to marine antifouling by incorporating napyradiomycins extracts, meroterpenoids derived from marine actinomycetes, into biocide-free coatings, establishing the first comprehensive assessment of their dual antimicro- and antimacrofouling potential. By leveraging naturally derived bioactives, this work pioneers a sustainable alternative to copper- and ivermectin-based formulations, aligning with circular bioeconomy and green chemistry principles. At low concentrations (31.25 µg/mL), napyradiomycin-based coatings demonstrated effective macrofouling prevention with no detectable toxicity, while higher concentrations (10 mg/mL) rivaled conventional coatings in efficacy and induced lethality. Uniquely, ecotoxicological evaluations using oxidative stress biomarkers, supported by mussels’ survival assays, revealed no significant adverse effects at the lower concentration, showcasing an environmentally friendly profile rarely achieved in antifouling solutions. Despite the promising results, limitations under current static laboratory conditions include no antibiofilm activity and the need for long-term field validation under dynamic marine environments. These challenges, however, offer valuable opportunities for future research in formulation refinement, release profile optimization, and biocide loading thresholds. By combining antimacrofouling efficacy with low ecological impact and scalability potential, these coatings represent a promising advance in marine coating technology, warranting clear path forward for enhancing sustainability in marine industry practices while protecting marine biodiversity.</div></div>","PeriodicalId":11725,"journal":{"name":"Environmental Technology & Innovation","volume":"39 ","pages":"Article 104248"},"PeriodicalIF":6.7,"publicationDate":"2025-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143936406","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effects of biochar combined with different nitrogen fertilization rates on turf quality and carbon footprint in a turf system","authors":"Songsong Shen,&nbsp;Shang Pan,&nbsp;Jian Hu,&nbsp;Jingjin Yu,&nbsp;Zhimin Yang","doi":"10.1016/j.eti.2025.104249","DOIUrl":"10.1016/j.eti.2025.104249","url":null,"abstract":"<div><div>Biochar has been widely recognized for its potential to mitigate greenhouse gas emissions and enhance soil fertility through increased soil organic carbon (SOC) storage; however, systematic evaluations of carbon balance and ecological benefits in turf systems remain scarce. This study included eight treatments combining four N (nitrogen) rates (N₀: 0, N₁: 150, N₂: 225, N₃: 300) kg N ha⁻¹ with two biochar practices (SB₀: 0, SB:40) t ha⁻¹. The results showed that biochar application treatments (N₀SB, N₁SB, N₂SB, and N₃SB) reduced cumulative fluxes of soil N₂O and CH₄ (global warming potential, GWP) by 17.37 %, 26.62 %, 32.73 %, and 30.97 %, net global warming potential (NGWP) 43.71 %, 369.64 %, 1046.17 %, and 545.83 %, and CF by 32.01 %, 192.81 %, 356.66 %, and 253.34 %, while increasing SOC sequestration by 129.20 %, 138.61 %, 133.89 %, and 133.61 %, total biomass by 3.99 %, 14.22 %, 15.51 %, and 14.78 %, and turf normalized difference vegetation index (NDVI) by −0.18 %, 2.81 %, 2.81 %, and 1.89 % compared to non-biochar treatments. Although biochar slightly increased ecosystem respiration, the effect was not significant (<em>p</em> &gt; 0.05). Notably, compared to N₃SB, N₂SB significantly reduced N₂O by 12.85 %, CH₄ by 11.47 %, CF (carbon footprint) by 16.01 %, and NGWP by 9.82 %, while ecosystem respiration, SOC storage, turfgrass total biomass, and NDVI exhibited no significant differences between the two treatments. Overall, the co-application of biochar with 225 kg N ha⁻¹ is a win−win strategy for reducing CF, enhancing carbon sequestration, and maintaining turf quality.</div></div>","PeriodicalId":11725,"journal":{"name":"Environmental Technology & Innovation","volume":"39 ","pages":"Article 104249"},"PeriodicalIF":6.7,"publicationDate":"2025-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143936405","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}