Search Results - "Microbial biomass"
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Microbial biomass conversion for hydrogen production: A review
Published 2025-09-01Subjects: “…Microbial biomass…”The escalating demand for clean and sustainable energy sources has propelled hydrogen to the forefront of alternative fuel research. Microbial biomass conversion, a bio-based process utilizing microorganisms to convert organic matter into hydrogen, presents a promising avenue for achieving this goal...
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Microbial biomass carbon dynamics and its influencing factors in typical Deyeuxia angustifolia wetland soil of Sanjiang Plain
Published 2009-11-01Subjects: “…microbial biomass carbon…”Microbial biomass carbon (MBC) seasonal changes and profile distributions in typical Deyeuxia angustifolia wetland soil of Sanjiang Plain were investigated. The studies of environmental influencing factors on the relationship between MBC and soil organic matter, underground biomass showed that the M...
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Fertility and biochemical activity in sodic soils 17 years after reclamation with flue gas desulfurization gypsum
Published 2021-12-01Subjects: Get full textPrevious studies have mainly focused on changes in soil physical and chemical properties to evaluate the reclamation of sodic soils using flue gas desulfurization (FGD) gypsum. However, information on the effects of this reclamation method on microbial-based indicators of soil quality is limited, pa...
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Effects of cadmium on soil microbial activities and phospholipid fatty acids in pakchoi-radish rotation system
Published 2009-09-01Subjects: Get full textGreenhouse experiments were conducted in two different soils to study the effects of cadmium (Cd) on soil microbial activities and phospholipid fatty acids (PLFAs) in pakchoi-radish rotation system. The results show that in pakchoi-radish rotation system, soil microbial biomass was enhanced at low C...
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Effects of Cu and Zn contamination on soil biological indicators of environmental quality
Published 2002-03-01Subjects: Get full textSome important biological parameters, namely, microbial biomass carbon, microbial biomass nitrogen, microbial quotient, metabolic quotient and soil enzyme activity in a heavy metal contaminated soil around a Copper (Cu)-Zinc (Zn) smelter in Fuyang city of Zhejiang Province were measured to assess so...
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Contrasting resilience of soil microbial biomass, microbial diversity and ammonification enzymes under three applied soil fumigants
Published 2020-10-01Subjects: Get full textFumigation is a widely applied approach to mitigate the soil-borne diseases. However, the potential effects of currently applied fumigants on ammonification remain unclear. An 84-day incubation experiment was conducted based on non-fumigated soil (CK) and fumigated soil using three common fumigants,...
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Activity of soil fluorescein diacetate (FDA) hydrolase under long-term fertilization
Published 2010-07-01Subjects: Get full textThe activities of fluorescein diacetate (FDA) hydrolase in black soil and brown soil under different long-term fertilization experiments were determined by the spectrophotometric method and using fluorescein diacetate (FDA) as the substrate. Results showed that there was a significant increase of hy...
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Interaction of soil microbial communities and phosphorus fractions under long-term fertilization in paddy soil
Published 2022-07-01Subjects: Get full textUnderstanding the impact of biological activities on the soil phosphorus (P) distribution under long-term fertilizer application can facilitate better soil P fertility management. Therefore, the primary objectives of this study were to investigate the effect of long-term (since 1981) fertilizer appl...
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Soil microbial C:N:P stoichiometry across environmental transects in China’s typical ecologically fragile regions
Published 2025-08-01Subjects: Get full textThe stoichiometry of soil microbial biomass is closely tied to the terrestrial cycling of carbon (C) and nutrients. Those stoichiometry influences not only soil fertility but also global change mitigation efforts. Ecologically fragile areas are commonly located in the ecotones between different ecos...
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Sustainable Soil Management: The Dynamic Impact of Combined Use of Crop Rotation and Fertilizers from Agri-Food and Sulfur Hydrocarbon Refining Processes Wastes
Published 2025-05-01Subjects: Get full textSustainable agriculture increasingly relies on strategies that improve soil fertility while reducing the environmental footprint of chemical inputs. The primary objective of this research was to disentangle the individual and combined effects of crop rotation and fertilization on soil quality. This...
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Carbon of microbial biomass in Al-Fe-humus soils of the northwestern Russia
Published 2024-12-01Subjects: “…microbial biomass…”The study was carried out in blueberry pine forests of the middle taiga subzone of Karelia. The results of complex studies of the microbiocenosis of Al-Fe-humus soils (Albic Podzols) formed on fluvioglacial deposits are presented. The methods of luminescent microscopy and substrateinduced respiratio...
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Effects of rice-crab culture on nitrogen leaching in rice fields in the north of China
Published 2019-06-01Subjects: Get full textIn order to explore the leaching loss of nitrogen (N) in the rice-crab culture system, a field experiment was carried out in Panjin, Liaoning Province. A split-plot design with two factors was arranged in this experiment, with crab or without crab as main factors, with or without N fertilizer as sub...
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Soil microbial characteristics and yield response to partial substitution of chemical fertilizer with organic amendments in greenhouse vegetable production
Published 2018-06-01Subjects: “…soil microbial biomass…”Greenhouse vegetable production has been characterized by high agricultural inputs, high temperatures, and high cropping indexes. As an intensive form of agriculture, nutrient cycling induced by microbial activities in the greenhouses is relatively different from open fields in the same region. Howe...
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Changes in the activities of key enzymes and the abundance of functional genes involved in nitrogen transformation in rice rhizosphere soil under different aerated conditions
Published 2023-03-01Subjects: Get full textSoil microorganisms play important roles in nitrogen transformation. The aim of this study was to characterize changes in the activity of nitrogen transformation enzymes and the abundance of nitrogen function genes in rhizosphere soil aerated using three different methods (continuous flooding (CF),...
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Characteristics of nitrogen forms and mineralization in paddy soils of long-term fertilization experiment
Published 2007-09-01Subjects: Get full textCharacteristics of nitrogen (N) forms and mineralization affected by long-term applications of inorganic fertilizers and organic manure or straw in paddy soils were investigated. Soil samples were collected from the plough layer of a long-term field experiment located at Wugang County, Hunan Provinc...
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Diversifying Grapevines With Aromatic Plants Changes the Soil Habitat, Microbial Community Composition and Functions Toward More Efficient Substrate Use and Nutrient Allocation
Published 2025-06-01Subjects: Get full textABSTRACT In vineyards facing soil degradation and biodiversity loss, crop diversification may improve sustainability, but its effects on the soil microbiome remain unclear. In a 3‐year field study, we examined how diversifying the plant row under grapevine with aromatic plants affected topsoil prope...
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Biochar Addition Reduces the Effect of High Nitrogen on Soil–Microbial Stoichiometric Imbalance in Abandoned Grassland on the Loess Plateau of China
Published 2025-02-01Subjects: Get full textABSTRACT Progressively higher atmospheric nitrogen (N) deposition increasingly affects soil ecosystems' elemental cycling and stability. Biochar (BC) amendment has emerged as a possible means of preserving soil system stability. Nevertheless, the pattern of soil–microbial nutrient cycling and s...
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Biochar as a Platform to Increase Manure Carbon Residence Time in Soil
Published 2025-07-01Subjects: Get full textABSTRACT Manure and biochar (BC) based practices influence soil carbon (C) dynamics. However, manure does not enhance soil carbon (C) as quickly as BC does. Data on BC from different feedstocks and their co‐application with manure in stabilizing labile manure C fractions in soil systems is still ina...
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Delays in peak physiological activity may reduce resource acquisition as trees recover from wildfire
Published 2025-07-01Subjects: Get full textAbstract Few studies have investigated how mature trees recover physiologically from wildfire damage, and none have comprehensively linked tree hydraulics with belowground function. Uncovering mechanistic links between rates of above‐ and belowground recovery is necessary for improving predictions o...
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The Impact of Flooding on Soil Microbial Communities and Their Functions: A Review
Published 2025-05-01Subjects: Get full textSoil microorganisms provide multifaceted benefits, including maintaining soil nutrient dynamics, improving soil structure, and instituting decomposition, all of which are important to soil health. Unpredictable weather events, including flooding from heavy rainfall, flash floods, and seawater intrus...
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