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The degradation characteristics of microbial biomass in soil
Geochimica et Cosmochimica Acta, 2011Soil microbial biomass is a primary source of soil organic carbon (SOC) and therefore plays a fundamental role in carbon and nitrogen cycling. However, little is known about the fate and transformations of microbial biomass in soil. Here we employ HR-MAS NMR spectroscopy to monitor 13C and 15N labeled soil microbial biomass and leachate degradation ...
Adrian Spence +7 more
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The significance of microbial biomass sulphur in soil
Biology and Fertility of Soils, 1996The soil microbial biomass S fraction of total organic S in soil is considered to be relatively labile and the most active S pool for S turnover in soil. Its significance has been demonstrated in studies of S deficiency in agronomic situations and in those of S pollution from high atmospheric inputs.
M. R. Banerjee, S. J. Chapman
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Evaluation of soil microbial biomass methodology
Toxicological & Environmental Chemistry, 1991Six methods, used for the determination of soil microbial biomass/activity, were assessed for their sensitivity to distinguish between four varying soils. Of the methods assessed, substrate‐induced respiration (SIR) demonstrated the greatest degree of sensitivity in detecting differences in microbial biomass/activity between the four soils.
S.C. Hulm +4 more
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Arylsulfatase Activity of Microbial Biomass in Soils
Soil Science Society of America Journal, 1999Abstract Quantification of the different pools of enzyme activity in soils (intra‐ and extracellular) is desired to assess the contribution of the microbial community to specific enzyme reactions and ecological changes in soils.
Susanne Klose, M. A. Tabatabai
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Soil microbial biomass and its controls
Journal of Forestry Research, 2005Microbial biomass represents a relatively small standing stock of nutrients, compared to soil organic matter, but it can act as a labile source of nutrients for plants, a pathway for incorporation of organic matter into the soil, and a temporary sink for nutrients. This review describes several factors controlling the dynamics of soil microbial biomass.
Zhang Jiang-shan +3 more
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Influence of macroclimate on soil microbial biomass
Soil Biology and Biochemistry, 1989Soils from 12 agricultural long-term experimental fields located in contrasting climatic regions were used to assess the influence of macroclimate on soil microbial biomass (Cmicr). Cmicr was measured using the substrate-induced respiration technique.
H. Insam, D. Parkinson, K.H. Domsch
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Urease activity of microbial biomass in soils
Soil Biology and Biochemistry, 1999Separation of the diAerent pools of enzyme activity in soils (intra- and extracellular) is needed to assess the contribution of the microbial community to specific enzyme reactions. Microbial biomass C and N were determined by the chloroform fumigation method, and urease activity was assayed at the optimal pH (THAM buAer, pH 9.0) in 10 surface soils ...
Susanne Klose, M.A. Tabatabai
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The Significance of Soil Microbial Biomass Estimations
2017This chapter discusses the significance of utilizing microbial biomass values for investigating nutrient cycling in disturbed and nondisturbed ecosystems. Most biomass estimations are from temperate zone soils under agricultural cultivation, grassland, or forest.
J. L. SMITH, E. A. PAUL
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Effects of sulfonamide and tetracycline antibiotics on soil microbial activity and microbial biomass
Chemosphere, 2005Increasingly often soil residual concentrations of pharmaceutical antibiotics are detected, while their ecotoxic relevance is scarcely known. Thus, dose related effects of two antibiotics, sulfapyridine and oxytetracycline, on microorganisms of two different topsoils were investigated.
Sören, Thiele-Bruhn +1 more
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Soil microbial biomass—Interpretation and consideration for soil monitoring
Soil Research, 2011Since 1970, measurement of the soil microbial biomass (SMB) has been widely adopted as a relatively simple means of assessing the impact of environmental and anthropogenic change on soil microorganisms. The SMB is living and dynamic, and its activity is responsible for the regulation of organic matter transformations and associated energy and nutrient ...
Gonzalez-Quinones V +7 more
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