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AN EXTRACTION METHOD FOR MEASURING SOIL MICROBIAL BIOMASS C
The effects of fumigation on organic C extractable by 0.5 M K2SO4 were examined in a contrasting range of soils. EC (the difference between organic C extracted by 0.5 M K2SO4 from fumigated andExpand
Chloroform fumigation and the release of soil nitrogen: A rapid direct extraction method to measure microbial biomass nitrogen in soil
Abstract A new “direct extraction” method for measuring soil microbial biomass nitrogen (biomass N) is described. The new method (fumigation-extraction) is based on CHC1 3 fumigation, followed byExpand
Measurement of microbial biomass phosphorus in soil
A method for measuring the amount of P held in soil micro-organisms (biomass P) is described and the assumptions on which it is based are discussed. Biomass P is calculated from the differenceExpand
The effects of biocidal treatments on metabolism in soil—V: A method for measuring soil biomass
A new method for the determination of biomass in soil is described. Soil is fumigated with CHCl3 vapour, the CHCl3 removed and the soil then incubated. The biomass is calculated from the differenceExpand
Chloroform fumigation and the release of soil nitrogen: the effects of fumigation time and temperature
Fumigation with CHC13 (24 h, 25°C) increased the amount of NH4-N and total N extracted by 0.5 M K2SO4 from two soils (one arable, one grassland). The amount of N released by CHC13 increased with theExpand
A comparison of the performance of nine soil organic matter models using datasets from seven long-term experiments
Nine soil organic models were evaluated using twelve datasets from seven long-term experiments. Datasets represented three different land-uses (grassland, arable cropping and woodland) and a range ofExpand
THE TURNOVER OF SOIL ORGANIC MATTER IN SOME OF THE ROTHAMSTED CLASSICAL EXPERIMENTS
Data are assembled from the Rothamsted classical field experiments on the effects of long-continued cropping and manuring on the amount of organic matter in soil, on the age of this soil organicExpand
Phosphorus in the soil microbial biomass
Phosphorus in the soil microbial biomass (biomass P) and soil biomass carbon (biomass C) were linearly related in 15 soils (8 grassland, 6 arable, 1 deciduous woodland), with a mean P concentrationExpand
Microbial biomass measurements in forest soils: The use of the chloroform fumigation-incubation method in strongly acid soils
Microbial biomass C and ATP were measured in 10 forest soils that ranged in pH from 3.2 to 7.2. A close relationship (r = 0.85) between biomass C (measured by the fumigation-incubation method, usingExpand
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