Pedosphere最新文献

英文中文

Potential inhibition of humic acid against soil-borne pathogenic fungi: A review

IF 5.2 2区农林科学 Q1 SOIL SCIENCE

Pedosphere

Pub Date : 2025-02-01 DOI: 10.1016/j.pedsph.2024.11.007

Shiping WEI , Zhenqiang XIE , Yanling ZHAO , Quanzhi WANG , Yuanhua WANG , Jiayin ZHAO , Kaijun YIN , Zhihao ZHU , Yang LIU , Meng WU , Zhongpei LI

Green prevention and control management of soil-borne fungal diseases is a hot topic in agriculture, ecology, and the environment. It is an important way to effectively prevent and control soil-borne fungal diseases, solve soil degradation caused by continuous cropping obstacles, and fulfill the sustainable development of agriculture through revealing the mechanisms of functional substances to develop highly effective soil amendments. Humic acid shows an inhibitory effect on soil-borne pathogenic fungi, such as Fusarium oxysporum, Choanephora cucurbitarum, and Rhizoctonia solani, with the inhibition rate exceeding 80%. The molecular and elemental composition and contents of –COOH, phenolic C, methoxy group C, carboxyl C, aromatic C–O, anomeric C, and other functional groups of humic acid have been inferred to be responsible for its inhibitory effects on pathogenic fungi in previous research. The inhibitory mechanisms mainly include cell physiological morphology, biochemical process reactions, and molecular signal transduction. This review systematically summarizes the chemical structure, fungistatic effects, variable characteristics, and inhibitory mechanisms of humic acid, aiming to provide a theoretical basis for the development of green and efficient prevention and control technologies for soil-borne fungal diseases.

{"title":"Potential inhibition of humic acid against soil-borne pathogenic fungi: A review","authors":"Shiping WEI , Zhenqiang XIE , Yanling ZHAO , Quanzhi WANG , Yuanhua WANG , Jiayin ZHAO , Kaijun YIN , Zhihao ZHU , Yang LIU , Meng WU , Zhongpei LI","doi":"10.1016/j.pedsph.2024.11.007","DOIUrl":"10.1016/j.pedsph.2024.11.007","url":null,"abstract":"<div><div>Green prevention and control management of soil-borne fungal diseases is a hot topic in agriculture, ecology, and the environment. It is an important way to effectively prevent and control soil-borne fungal diseases, solve soil degradation caused by continuous cropping obstacles, and fulfill the sustainable development of agriculture through revealing the mechanisms of functional substances to develop highly effective soil amendments. Humic acid shows an inhibitory effect on soil-borne pathogenic fungi, such as <em>Fusarium oxysporum</em>, <em>Choanephora cucurbitarum</em>, and <em>Rhizoctonia solani</em>, with the inhibition rate exceeding 80%. The molecular and elemental composition and contents of –COOH, phenolic C, methoxy group C, carboxyl C, aromatic C–O, anomeric C, and other functional groups of humic acid have been inferred to be responsible for its inhibitory effects on pathogenic fungi in previous research. The inhibitory mechanisms mainly include cell physiological morphology, biochemical process reactions, and molecular signal transduction. This review systematically summarizes the chemical structure, fungistatic effects, variable characteristics, and inhibitory mechanisms of humic acid, aiming to provide a theoretical basis for the development of green and efficient prevention and control technologies for soil-borne fungal diseases.</div></div>","PeriodicalId":49709,"journal":{"name":"Pedosphere","volume":"35 1","pages":"Pages 33-41"},"PeriodicalIF":5.2,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143105390","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Exploring antimicrobial-resistant bacteria in sediments: A call for in-depth genomic analysis 探索沉积物中的抗微生物细菌:对深入基因组分析的呼吁

IF 5.2 2区农林科学 Q1 SOIL SCIENCE

Pedosphere

Pub Date : 2025-02-01 DOI: 10.1016/j.pedsph.2023.11.002

João Pedro Rueda FURLAN , Eliana Guedes STEHLING , William CALERO-CÁCERES

引用次数: 0

Coapplication of polyurethane microplastics and fertilizer accelerates CO2 emission in an infertile soil 聚氨酯微塑料和化肥的共同使用加速了贫瘠土壤中的二氧化碳排放

IF 5.2 2区农林科学 Q1 SOIL SCIENCE

Pedosphere

Pub Date : 2025-02-01 DOI: 10.1016/j.pedsph.2024.03.006

Dong LIANG , Qiaolin ZHOU , Haiying LU , Jianwei ZHANG , Cheng JI , Jidong WANG

引用次数: 0

Phosphorus acquisition by plants: Challenges and promising strategies for sustainable agriculture in the 21st century 植物获取磷：二十一世纪可持续农业面临的挑战和有前途的战略

IF 5.2 2区农林科学 Q1 SOIL SCIENCE

Pedosphere

Pub Date : 2025-02-01 DOI: 10.1016/j.pedsph.2024.05.002

Tamara GÓMEZ-GALLEGO , Iván SÁNCHEZ-CASTRO , Lázaro MOLINA , Carmen TRASAR-CEPEDA , Carlos GARCÍA-IZQUIERDO , Juan L. RAMOS , Ana SEGURA

Whilst phosphorus (P) in soil is considered to be abundant, the portion available for plant uptake constitutes less than 1% of the overall P present. To enhance crop productivity, the utilization of mineral P fertilizers has become pervasive in agriculture. Nonetheless, the escalating prices of chemical fertilizers, coupled with new European regulations prohibiting the use of P fertilizers containing cadmium, have highlighted the urgency to identify environmentally friendly products and practices for P fertilization in agricultural soils. This comprehensive review delves into the current landscape of P fertilization from agricultural, political, and economic standpoints. We recognize the potential of microbes in mobilizing P, but emphasize the necessity for more robust research to establish their effectiveness in promoting plant P uptake under real-world conditions. Additionally, we explore the role of agricultural conservation practices, such as optimal tillage, diversified cropping systems, and increased organic carbon input, in conserving P. Furthermore, this review contemplates forthcoming innovations in research. These innovations encompass the development of enhanced formulations for biofertilizers and the undertaking of more comprehensive studies within the realm of conservation agriculture. All these endeavors collectively hold the potential to augment P accessibility to plants in a sustainable manner, thereby advancing agricultural sustainability and productivity.

{"title":"Phosphorus acquisition by plants: Challenges and promising strategies for sustainable agriculture in the 21st century","authors":"Tamara GÓMEZ-GALLEGO , Iván SÁNCHEZ-CASTRO , Lázaro MOLINA , Carmen TRASAR-CEPEDA , Carlos GARCÍA-IZQUIERDO , Juan L. RAMOS , Ana SEGURA","doi":"10.1016/j.pedsph.2024.05.002","DOIUrl":"10.1016/j.pedsph.2024.05.002","url":null,"abstract":"<div><div>Whilst phosphorus (P) in soil is considered to be abundant, the portion available for plant uptake constitutes less than 1% of the overall P present. To enhance crop productivity, the utilization of mineral P fertilizers has become pervasive in agriculture. Nonetheless, the escalating prices of chemical fertilizers, coupled with new European regulations prohibiting the use of P fertilizers containing cadmium, have highlighted the urgency to identify environmentally friendly products and practices for P fertilization in agricultural soils. This comprehensive review delves into the current landscape of P fertilization from agricultural, political, and economic standpoints. We recognize the potential of microbes in mobilizing P, but emphasize the necessity for more robust research to establish their effectiveness in promoting plant P uptake under real-world conditions. Additionally, we explore the role of agricultural conservation practices, such as optimal tillage, diversified cropping systems, and increased organic carbon input, in conserving P. Furthermore, this review contemplates forthcoming innovations in research. These innovations encompass the development of enhanced formulations for biofertilizers and the undertaking of more comprehensive studies within the realm of conservation agriculture. All these endeavors collectively hold the potential to augment P accessibility to plants in a sustainable manner, thereby advancing agricultural sustainability and productivity.</div></div>","PeriodicalId":49709,"journal":{"name":"Pedosphere","volume":"35 1","pages":"Pages 193-215"},"PeriodicalIF":5.2,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141044519","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Microplastics as carriers of antibiotic resistance genes in agricultural soils: A call for research

IF 5.2 2区农林科学 Q1 SOIL SCIENCE

Pedosphere

Pub Date : 2025-02-01 DOI: 10.1016/j.pedsph.2024.08.001

Vanesa SANTÁS-MIGUEL , Lucía RODRÍGUEZ-LÓPEZ , Manuel ARIAS-ESTÉVEZ , Andrés RODRÍGUEZ-SEIJO

Plastic contamination has become a major environmental concern and impacts human health, and yet this is still a topic that remains largely understudied. Effects of macro- and microplastics on soil physical, chemical, and biological properties, including soil biota, are considered adverse for soils. Due to their small size and porous surface, microplastics can also be a new environmental concern because of their ability to act as carriers of contaminants or diseases. This issue has become particularly relevant in agricultural soils because antibiotics can be present in manure or other kinds of amendments applied to farmlands or adsorbed on agricultural plastics that can be incorporated into soil. Furthermore, plastic debris can serve as a pollutant and carrier of pathogens or antibiotic resistance genes because plastics can favor modifications of bacterial cell membranes, thereby posing increased risks for the environment and humans. Although a vast amount of research has been done on the role of microplastics as tetracycline or oxytetracycline carriers, no studies have considered highly mobile antibiotics such as clarithromycin and combined exposure with microplastics in soil. In addition, more research should focus on the potential impacts of global change on degradation of plastics, especially biodegradable plastics, and plastic impact on the release of contaminants.

{"title":"Microplastics as carriers of antibiotic resistance genes in agricultural soils: A call for research","authors":"Vanesa SANTÁS-MIGUEL , Lucía RODRÍGUEZ-LÓPEZ , Manuel ARIAS-ESTÉVEZ , Andrés RODRÍGUEZ-SEIJO","doi":"10.1016/j.pedsph.2024.08.001","DOIUrl":"10.1016/j.pedsph.2024.08.001","url":null,"abstract":"<div><div>Plastic contamination has become a major environmental concern and impacts human health, and yet this is still a topic that remains largely understudied. Effects of macro- and microplastics on soil physical, chemical, and biological properties, including soil biota, are considered adverse for soils. Due to their small size and porous surface, microplastics can also be a new environmental concern because of their ability to act as carriers of contaminants or diseases. This issue has become particularly relevant in agricultural soils because antibiotics can be present in manure or other kinds of amendments applied to farmlands or adsorbed on agricultural plastics that can be incorporated into soil. Furthermore, plastic debris can serve as a pollutant and carrier of pathogens or antibiotic resistance genes because plastics can favor modifications of bacterial cell membranes, thereby posing increased risks for the environment and humans. Although a vast amount of research has been done on the role of microplastics as tetracycline or oxytetracycline carriers, no studies have considered highly mobile antibiotics such as clarithromycin and combined exposure with microplastics in soil. In addition, more research should focus on the potential impacts of global change on degradation of plastics, especially biodegradable plastics, and plastic impact on the release of contaminants.</div></div>","PeriodicalId":49709,"journal":{"name":"Pedosphere","volume":"35 1","pages":"Pages 12-16"},"PeriodicalIF":5.2,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143105408","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Soil aggregate stability assessment based on ultrasonic agitation: Limitations and recommendations after sixty years (1964–2023)

IF 5.2 2区农林科学 Q1 SOIL SCIENCE

Pedosphere

Pub Date : 2025-02-01 DOI: 10.1016/j.pedsph.2024.08.008

Fakher ABBAS , Jianjun DU , Haibin CHEN , Muhammad AZEEM , Ruqin FAN

Soil aggregate stability is a fundamental measure for evaluating soil structure. While numerous tests exist for assessing soil aggregate stability, ultrasonic agitation (UA) is widely recognized for its effectiveness. Nonetheless, a significant limitation of UA is the lack of standardized methodologies and stability assessment criteria, resulting in inconsistency and incomparability across studies. Several critical factors influence the assessment of soil aggregate stability, including sample preparation (e.g., drying, sieving, and settling duration), initial and final aggregate size classes, the definition of final energy form and its calculation, variations in instrumentation and laboratory procedures, and the absence of standardized criteria. Unlike some stability methods, UA produces a broad range of results, with dispersion energy varying significantly (0.5–13 440 J g^-1) across different soil and aggregate types due to divergent procedural settings. These settings encompass factors such as initial power and amplitude, temperature fluctuation, soil/water ratio, probe specification (diameter and insertion depth), and the choice of liquid used during the process. Furthermore, UA faces challenges related to limited reproducibility, raising doubts about its status as a standard stability assessment method. To address these issues, standardization through predefined procedures and stability criteria has the potential to transform UA into a precise and widely accepted method for both qualitative and quantitative assessments of soil stability. In this comprehensive review, we outline the challenges in standardizing UA, elucidate the factors contributing to dispersion energy variation, and offer practical recommendations to establish standardized protocols for UA in soil aggregate stability assessments.

{"title":"Soil aggregate stability assessment based on ultrasonic agitation: Limitations and recommendations after sixty years (1964–2023)","authors":"Fakher ABBAS , Jianjun DU , Haibin CHEN , Muhammad AZEEM , Ruqin FAN","doi":"10.1016/j.pedsph.2024.08.008","DOIUrl":"10.1016/j.pedsph.2024.08.008","url":null,"abstract":"<div><div>Soil aggregate stability is a fundamental measure for evaluating soil structure. While numerous tests exist for assessing soil aggregate stability, ultrasonic agitation (UA) is widely recognized for its effectiveness. Nonetheless, a significant limitation of UA is the lack of standardized methodologies and stability assessment criteria, resulting in inconsistency and incomparability across studies. Several critical factors influence the assessment of soil aggregate stability, including sample preparation (<em>e.g</em>., drying, sieving, and settling duration), initial and final aggregate size classes, the definition of final energy form and its calculation, variations in instrumentation and laboratory procedures, and the absence of standardized criteria. Unlike some stability methods, UA produces a broad range of results, with dispersion energy varying significantly (0.5–13 440 J g<sup>-1</sup>) across different soil and aggregate types due to divergent procedural settings. These settings encompass factors such as initial power and amplitude, temperature fluctuation, soil/water ratio, probe specification (diameter and insertion depth), and the choice of liquid used during the process. Furthermore, UA faces challenges related to limited reproducibility, raising doubts about its status as a standard stability assessment method. To address these issues, standardization through predefined procedures and stability criteria has the potential to transform UA into a precise and widely accepted method for both qualitative and quantitative assessments of soil stability. In this comprehensive review, we outline the challenges in standardizing UA, elucidate the factors contributing to dispersion energy variation, and offer practical recommendations to establish standardized protocols for UA in soil aggregate stability assessments.</div></div>","PeriodicalId":49709,"journal":{"name":"Pedosphere","volume":"35 1","pages":"Pages 67-83"},"PeriodicalIF":5.2,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143105115","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Enhanced removal of heavy metals by wetland plant-microbiome symbiont: Prospect of potential strategies and mechanisms for environmental heavy metal regulation

IF 5.2 2区农林科学 Q1 SOIL SCIENCE

Pedosphere

Pub Date : 2025-02-01 DOI: 10.1016/j.pedsph.2024.10.007

Ling LIU , Xiaoyi FAN , Yuan HAN , Hongjie WANG

Wetland plants and their related environmental interfaces are colonized by a wide range of microbial communities, and the symbiotic system of plants and microorganisms can interact and cooperate with each other, playing an important role in environmental remediation of metal pollution, which has garnered significant attention. The dominant communities of wetland plants still have high treatment performance and survival rate under pollution conditions. Many studies show that hyperaccumulating metallophytes have the capacity to accumulate heavy metal up to several times higher than the plants in sterile soil, due to the interaction of microbes within the rhizosphere. Thus, biotechnological efforts are being explored to modify plants for heavy metal phytoremediation and to improve the adaptation of wetland plants, endophytes, and rhizospheric microorganisms to adverse environment. New phytoremediation techniques and enhanced symbiosis technique for endophytic bacteria inoculation with high efficiency are being pursued and utilized in heavy metal phytoremediation in wetland systems. Therefore, in this review, we systematically summarized the interface characteristics of wetland systems and the interaction of symbionts, with emphasis on the enhanced removal potential and regulation mechanisms of heavy metals by plant-microbe symbiosis in wetland systems, along with the applications of plant-microbiomes for heavy metal remediation in wetlands. Moreover, we explored the remediation mechanisms of combined endogenic-ecophytic microorganisms for wetland systems. In recent research, the exogeneous bacteria drastically remodeled the rhizospheric microbiome and further improved the activity of rhizospheric functional enzymes, with the metal removal at the rhizospheric region reaching up to 95%. In order to increase the effectiveness of plant-microbiome engineering in addressing wetland environmental pollution, the significance of incorporating synergistic techniques and taking a variety of environmental factors was discussed.

{"title":"Enhanced removal of heavy metals by wetland plant-microbiome symbiont: Prospect of potential strategies and mechanisms for environmental heavy metal regulation","authors":"Ling LIU , Xiaoyi FAN , Yuan HAN , Hongjie WANG","doi":"10.1016/j.pedsph.2024.10.007","DOIUrl":"10.1016/j.pedsph.2024.10.007","url":null,"abstract":"<div><div>Wetland plants and their related environmental interfaces are colonized by a wide range of microbial communities, and the symbiotic system of plants and microorganisms can interact and cooperate with each other, playing an important role in environmental remediation of metal pollution, which has garnered significant attention. The dominant communities of wetland plants still have high treatment performance and survival rate under pollution conditions. Many studies show that hyperaccumulating metallophytes have the capacity to accumulate heavy metal up to several times higher than the plants in sterile soil, due to the interaction of microbes within the rhizosphere. Thus, biotechnological efforts are being explored to modify plants for heavy metal phytoremediation and to improve the adaptation of wetland plants, endophytes, and rhizospheric microorganisms to adverse environment. New phytoremediation techniques and enhanced symbiosis technique for endophytic bacteria inoculation with high efficiency are being pursued and utilized in heavy metal phytoremediation in wetland systems. Therefore, in this review, we systematically summarized the interface characteristics of wetland systems and the interaction of symbionts, with emphasis on the enhanced removal potential and regulation mechanisms of heavy metals by plant-microbe symbiosis in wetland systems, along with the applications of plant-microbiomes for heavy metal remediation in wetlands. Moreover, we explored the remediation mechanisms of combined endogenic-ecophytic microorganisms for wetland systems. In recent research, the exogeneous bacteria drastically remodeled the rhizospheric microbiome and further improved the activity of rhizospheric functional enzymes, with the metal removal at the rhizospheric region reaching up to 95%. In order to increase the effectiveness of plant-microbiome engineering in addressing wetland environmental pollution, the significance of incorporating synergistic techniques and taking a variety of environmental factors was discussed.</div></div>","PeriodicalId":49709,"journal":{"name":"Pedosphere","volume":"35 1","pages":"Pages 116-136"},"PeriodicalIF":5.2,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143105117","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Soil degradation: A global threat to sustainable use of black soils

IF 5.2 2区农林科学 Q1 SOIL SCIENCE

Pedosphere

Pub Date : 2025-02-01 DOI: 10.1016/j.pedsph.2024.06.011

Rui LI , Wenyou HU , Zhongjun JIA , Hanqiang LIU , Chao ZHANG , Biao HUANG , Shunhua YANG , Yuguo ZHAO , Yongcun ZHAO , Manoj K. SHUKLA , Miguel Angel TABOADA

Black soils represent only one-sixth of the global arable land area but play an important role in maintaining world food security due to their high fertility and gigantic potential for food production. With the ongoing intensification of agricultural practices and negative natural factors, black soils are confronting enhanced degradation. The holistic overview of black soil degradation and the underlying mechanisms for soil health improvement will be key for agricultural sustainability and food security. In this review, the current status and driving factors of soil degradation in the four major black soil regions of the world are summarized, and effective measures for black soil conservation are proposed. The Northeast Plain of China is the research hotspot with 41.5% of the published studies related to black soil degradation, despite its relatively short history of agricultural reclamation, followed by the East European Plain (28.3%), the Great Plains of North America (20.7%), and the Pampas of South American (7.9%). Among the main types of soil degradation, soil erosion and soil fertility decline (especially organic matter loss) have been reported as the most common problems, with 27.6% and 39.4% of the published studies, respectively. In addition to the natural influences of climate and topography, human activities have been reported to have great influences on the degradation of black soils globally. Unsustainable farming practices and excess in agrochemical applications are common factors reported to accelerate the degradation process and threaten the sustainable use of black soils. Global efforts for black soil conservation and utilization should focus on standardizing evaluation criteria including real-time monitoring and the measures of prevention and restoration for sustainable management. International cooperation in technology and policy is crucial for overcoming the challenges and thus achieving the protection, sustainable use, and management of global black soil resources.

{"title":"Soil degradation: A global threat to sustainable use of black soils","authors":"Rui LI , Wenyou HU , Zhongjun JIA , Hanqiang LIU , Chao ZHANG , Biao HUANG , Shunhua YANG , Yuguo ZHAO , Yongcun ZHAO , Manoj K. SHUKLA , Miguel Angel TABOADA","doi":"10.1016/j.pedsph.2024.06.011","DOIUrl":"10.1016/j.pedsph.2024.06.011","url":null,"abstract":"<div><div>Black soils represent only one-sixth of the global arable land area but play an important role in maintaining world food security due to their high fertility and gigantic potential for food production. With the ongoing intensification of agricultural practices and negative natural factors, black soils are confronting enhanced degradation. The holistic overview of black soil degradation and the underlying mechanisms for soil health improvement will be key for agricultural sustainability and food security. In this review, the current status and driving factors of soil degradation in the four major black soil regions of the world are summarized, and effective measures for black soil conservation are proposed. The Northeast Plain of China is the research hotspot with 41.5% of the published studies related to black soil degradation, despite its relatively short history of agricultural reclamation, followed by the East European Plain (28.3%), the Great Plains of North America (20.7%), and the Pampas of South American (7.9%). Among the main types of soil degradation, soil erosion and soil fertility decline (especially organic matter loss) have been reported as the most common problems, with 27.6% and 39.4% of the published studies, respectively. In addition to the natural influences of climate and topography, human activities have been reported to have great influences on the degradation of black soils globally. Unsustainable farming practices and excess in agrochemical applications are common factors reported to accelerate the degradation process and threaten the sustainable use of black soils. Global efforts for black soil conservation and utilization should focus on standardizing evaluation criteria including real-time monitoring and the measures of prevention and restoration for sustainable management. International cooperation in technology and policy is crucial for overcoming the challenges and thus achieving the protection, sustainable use, and management of global black soil resources.</div></div>","PeriodicalId":49709,"journal":{"name":"Pedosphere","volume":"35 1","pages":"Pages 264-279"},"PeriodicalIF":5.2,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143105155","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Agricultural and environmental significance of soil organic matter and plant biomass: Insight from ultrahigh-resolution Fourier transform ion cyclotron resonance mass spectrometry

IF 5.2 2区农林科学 Q1 SOIL SCIENCE

Pedosphere

Pub Date : 2025-02-01 DOI: 10.1016/j.pedsph.2024.09.004

Zhongqi HE

Ultrahigh-resolution Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR MS) is an advanced instrument capable of separating and determining molecular mass-to-charge ratios with sub-ppm level accuracy. A typical FT-ICR MS spectrogram can identify hundreds to thousands of formulas in a complex sample. This perspective briefly examines the application of FT-ICR MS to soil organic matter and plant biomass studies, highlighting their significant contributions to sustainable agriculture and environment. Increased analyses by FT-ICR MS of soil, agricultural biomass, and bioactive samples would provide greater insights into the distribution and changing patterns of molecular diversity within soil organic matter, as they relate to soil health issues and environmental stresses such as climate change and soil contamination. As one step toward these goals, it will open new opportunities for valorization of agricultural biomass products/byproducts, thus accelerating the development of a more circular agricultural economy.

引用次数: 0

Methane production and oxidation–-A review on the pmoA and mcrA gene abundances for understanding the functional potentials of agricultural soils 甲烷的产生和氧化--关于 pmoA 和 mcrA 基因丰度的综述，以了解农业土壤的功能潜力

IF 5.2 2区农林科学 Q1 SOIL SCIENCE

Pedosphere

Pub Date : 2025-02-01 DOI: 10.1016/j.pedsph.2024.05.006

Nwabunwanne Lilian NWOKOLO , Matthew Chekwube ENEBE

Global efforts to avert climate change cannot succeed without tackling the emission of methane from soil and other ecosystems. Methane is a greenhouse gas that retains heat in the atmosphere and causes global warming. Its production is the last step of organic matter decomposition, and it is produced by methanogenic archaea bearing the functional gene mcrA (encoding methyl-coenzyme M reductase). Methane production involves the reduction of acetate or carbon dioxide in a microaerophilic or anaerobic environment under the catalytic actions of methyl-coenzyme M to generate methane. On the other hand, methane-oxidizing bacteria, also known as methanotrophs, through the catalytic action of particulate methane monooxygenase (pMMO), oxidize methane and reduce its emission to the atmosphere. In essence, both production and consumption of methane happen within the soil. Methanotrophs and methanogens inhabit the same soil environment. In fact, a shift in the balance between methanogen and methanotroph activities and abundances could influence soil methane emission and global warming. In this review, we highlight recent advances in drivers of methane flux, pmoA (encoding pMMO) and mcrA gene abundances, methane emission and control, relationships between microbial functional gene abundances and soil functions, and methods for studying the pmoA and mcrA gene abundances in soil. We also highlight gaps that need to be filled and the impact of the mcrA/pmoA gene abundance ratio in driving the methane emission rate in soil. We also discuss the various abiotic factors that control pmoA and mcrA gene abundances.

{"title":"Methane production and oxidation–-A review on the pmoA and mcrA gene abundances for understanding the functional potentials of agricultural soils","authors":"Nwabunwanne Lilian NWOKOLO , Matthew Chekwube ENEBE","doi":"10.1016/j.pedsph.2024.05.006","DOIUrl":"10.1016/j.pedsph.2024.05.006","url":null,"abstract":"<div><div>Global efforts to avert climate change cannot succeed without tackling the emission of methane from soil and other ecosystems. Methane is a greenhouse gas that retains heat in the atmosphere and causes global warming. Its production is the last step of organic matter decomposition, and it is produced by methanogenic archaea bearing the functional gene <em>mcrA</em> (encoding methyl-coenzyme M reductase). Methane production involves the reduction of acetate or carbon dioxide in a microaerophilic or anaerobic environment under the catalytic actions of methyl-coenzyme M to generate methane. On the other hand, methane-oxidizing bacteria, also known as methanotrophs, through the catalytic action of particulate methane monooxygenase (pMMO), oxidize methane and reduce its emission to the atmosphere. In essence, both production and consumption of methane happen within the soil. Methanotrophs and methanogens inhabit the same soil environment. In fact, a shift in the balance between methanogen and methanotroph activities and abundances could influence soil methane emission and global warming. In this review, we highlight recent advances in drivers of methane flux, <em>pmoA</em> (encoding pMMO) and <em>mcrA</em> gene abundances, methane emission and control, relationships between microbial functional gene abundances and soil functions, and methods for studying the <em>pmoA</em> and <em>mcrA</em> gene abundances in soil. We also highlight gaps that need to be filled and the impact of the <em>mcrA</em>/<em>pmoA</em> gene abundance ratio in driving the methane emission rate in soil. We also discuss the various abiotic factors that control <em>pmoA</em> and <em>mcrA</em> gene abundances.</div></div>","PeriodicalId":49709,"journal":{"name":"Pedosphere","volume":"35 1","pages":"Pages 161-181"},"PeriodicalIF":5.2,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141139138","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

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